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315 verified UnitedHealthcare Doctors in Diamond Bar, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
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Availability last updated 09/04/2026
Availability last updated 09/04/2026
Primary Care Doctor
5.00
·30 reviews
21 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Billy Zhang is a board-certified Internist with an eclectic background, having trained in Philadelphia, Pennsylvania and working as a primary care provider in Brooklyn, New York. Dr. Zhang's area of interest is providing patient centered care, understanding the best way to team up and address bo...Click to read more
Next available: Wed, Oct 7
Primary Care Doctor
5.00
·2 reviews
24 mi · 1704 Colorado Blvd, Los Angeles, CA 90041
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 2 more ·
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Dr. Tauras received his medical degree from the George Washington University School of Medicine in 2014. He completed a residency in family medicine at PIH Health in Whittier where he participated in the tropical medicine track which included rotations in Cameroon and Malawi. Dr. Tauras spent most o...Click to read more
Next available: Wed, Sep 9
Urgent Care Clinic
4.86
·83 reviews
Very friendly staff with clear communication. Made me feel comfortable and offered necessary feedback. by Alexis G.Click to read more
22 mi · 3955 Bedford Canyon Rd, Ste 103, Corona, CA 92883
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Pediatrician
4.85
·33 reviews
It was great and kinda and she answered all my questions for me is very great.Click to read more
17.5 mi · 725 W La Veta Ave, Ste 240, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Marta Sarmiento is a dedicated and diligent pediatrician serving the community of Orange, CA. She earned her Doctor of Medicine degree from the University of California, Irvine. Dr. Sarmiento runs her own practice, where she provides care for annual physicals, preventative care and immunizati...Click to read more
Physician Assistant (Gastroenterology)
5.00
·7 reviews
15 mi · 710 N Euclid St, Ste 210, Anaheim, CA 92801
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Mon, Oct 12
Primary Care Doctor (Virtual)
4.67
·348 reviews
Great experience. Was not rushed at all and the dr was very thorough. - Sep 5, 2024 by Andrew W.Click to read more
GLENDALE, CA
In-network · UnitedHealthcare
Accepting new patients · 23 years of experience · Offers video visits · Excellent wait time · Expertise in chronic diabetes + 7 more ·
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Dr. Nazarian was raised in Glendale and after high school attended University of Southern California and received a degree in Exercise physiology and minor in Biology. He then attended medical school at St. George’s University. Dr. Nazarian did 3rd year of medical school in New York and finished in ...Click to read more
Next available: today
Primary Care Doctor
4.67
·348 reviews
Great experience. Was not rushed at all and the dr was very thorough. - Sep 5, 2024 by Andrew W.Click to read more
26 mi · 1818 Verdugo Blvd, #207, GLENDALE, CA 91208
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 23 years of experience · Excellent wait time · Expertise in chronic diabetes + 7 more ·
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Dr. Nazarian was raised in Glendale and after high school attended University of Southern California and received a degree in Exercise physiology and minor in Biology. He then attended medical school at St. George’s University. Dr. Nazarian did 3rd year of medical school in New York and finished in ...Click to read more
Next available: today
Pediatrician
4.91
·32 reviews
16.5 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · 22 years of experience · Highly recommended ·
Read bio
Dr. O'Loughlin believes in preventative medicine and is dedicated to assisting children and their parents as they make decisions about living a healthy lifestyle. As a parent herself, she values the insights that parents provide on the health and well-being of their children when discussing importan...Click to read more
Next available: Tue, Sep 15
Primary Care Doctor
4.78
·142 reviews
Super nice doctor!!! Really listens and understands! - Jan 9, 2026 by Randi M.Click to read more
23.5 mi · 62 Corporate Park, Suite 130, Irvine, CA 92606
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
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Welcome, and thank you for considering my practice. I’m a board-certified internal medicine physician, trained at the University of Southern California (USC), with over 20 years of experience in patient care, proudly serving the Irvine community. As a primary care physician, I specialize in weight ...Click to read more
Next available: Tue, Sep 15
Pediatrician
5.00
·31 reviews
We are so grateful for Doc Frankel! He was able to help our son immediately. Thank you Doc, Frankel. - Feb 20, 2024 by Liam M.Click to read more
16.5 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
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Dr. Robert Frankel chose to be a pediatrician because of his love for children. He enjoys being able to bring about a change for the better in the lives of his young patients. Dr. Frankel received his medical degree from the University of Cincinnati's College of Medicine, in Cincinnati, Ohio. He the...Click to read more
Next available: Thu, Sep 24
Primary Care Doctor
4.75
·20 reviews
The visit was great. Was seen in less than 15 minutes wait time. Provider and staff were very professional by EMClick to read more
25.5 mi · 3056 Fletcher Dr, Los Angeles, CA 90065
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure + 3 more ·
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Dr. Tracy completed his medical school in Florida before moving to Los Angeles for his residency training at the USC Family Medicine program at California Hospital in downtown LA. He was honored to have been elected Chief Resident during his 3rd year by the faculty and fellow residents. In additio...Click to read more
Next available: Tue, Sep 8
Pediatrician
5.00
·30 reviews
16.5 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended ·
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Please note that this provider only sees children and adolescents under the age of 18. Dr. Marc Bennett enjoys the energy and enthusiasm children bring into his medical practice. He is continually amazed at the strength of character and spirit that young people possess. Dr. Bennett prides himself o...Click to read more
Next available: Thu, Oct 8
Pediatrician
4.94
·33 reviews
Doctor was very straightforward with what was going on with my daughter and when I should be concerned and when to bring her to the doctor or understand that she will be ok and recover at home. He was good with my daughter and made her feel comfortable. - Sep 15, 2022 by Ashley D.Click to read more
19.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended ·
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Please note that this provider only sees children and adolescents under the age of 18. Board-certified in pediatrics, Dr. Messinger earned his Doctor of Medicine from Philadelphia University and Thomas Jefferson University. He completed his residency at the University of California, Irvine. His p...Click to read more
Next available: Tue, Sep 8
Primary Care Doctor
5.00
·12 reviews
Everyone was super friendly and helpful. Dr. K. Is absolutely great. Honestly a great experience overall. - Aug 11, 2026Click to read more
24 mi · 1704 Colorado Blvd, Los Angeles, CA 90041
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Fri, Oct 2
Primary Care Doctor
5.00
·15 reviews
This was my first appointment with Dr. Adamian. He was courteous, concise and informative. - Jul 3, 2026 by Jose C.Click to read more
26 mi · 1818 Verdugo Blvd, #401, Glendale, CA 91208
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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I am a family medicine doctor who cares for patients at every stage of life. I try to listen carefully and not rush my patients. I work with my patient to achieve the best health outcomes. I focus on evidence based medicine and I stay up to date with the latest medical advances. AGE: Accepting pa...Click to read more
Next available: Tue, Sep 8
Pediatrician
19.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience ·
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Dr. Naho Taguchi is a Pediatrician practicing in Orange County, CA.Click to read more
Next available: Wed, Sep 9
Urgent Care Clinic
4.79
·105 reviews
Really great staff Very clean office Very efficient - Jun 23, 2026Click to read more
24.5 mi · 3195 Harbor Blvd, Ste 3 Costa Mesa, Costa Mesa, CA 92626
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Pediatrician
5.00
·30 reviews
19.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. I earned my Doctor of Medicine degree from Ohio State University and completed both my internship and residency at Children's Hospital Los Angeles. My goals with each patient interaction are to be a good listene...Click to read more
Next available: Thu, Sep 10
Urgent Care Clinic
4.70
·87 reviews
Front staff and PA were very professional and knowledgeableClick to read more
24.5 mi · 2010 E Carson Street, Long Beach, CA 90807
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Physician Assistant
5.00
·23 reviews
Carol is an empathetic provider that will make you feel listened and heard! Highly recommend! by CKClick to read more
19.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I'm a Physician Assistant with a passion for developing relationships as well as meeting patients where they are — whether that means navigating a new diagnosis, managing a chronic condition, or simply being a provider who truly listens. With a background in adult primary care and a specialty in PM&...Click to read more
Next available: Wed, Sep 9
Family Nurse Practitioner
4.82
·22 reviews
Honestly one of the best healthcare clinics I’ve been to. Everyone was super friendly, the clinic was clean, and I felt comfortable the whole time. The provider actually listened to my concerns and took the time to explain everything. Quick, professional, and genuinely caring. Definitely recommend i...Click to read more
19.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Louise Jones, DNP, FNP-BC, is a board-certified Family Nurse Practitioner dedicated to providing compassionate, evidence-based care for patients of all ages. She believes in building lasting relationships with her patients by listening carefully, educating them about their health, and working togeth...Click to read more
Next available: Wed, Sep 9
Family Nurse Practitioner
5.00
·27 reviews
Dr. Andrew Ho is an exceptional physician who genuinely cares about his patients. He takes the time to listen, answer questions, and make every visit comfortable and informative. His bedside manner is outstanding—he is patient, compassionate, professional, and easy to talk to. His combination of ...Click to read more
19.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Mr. Andrew Ho is a skilled and compassionate family nurse practitioner. He provides in-person services at Besa Health in Santa Ana, CA. He also offers virtual services. ​As part of his formal education, Mr. Ho completed a master's degree in nursing at Azusa Pacific University. He is a first-generat...Click to read more
Next available: Thu, Sep 10
Physician Assistant
5.00
·11 reviews
This was a really EASY visit for me to come to. I normally get anxious leading up to an appointment but the vibes at the location made me feel so relaxed. I felt so comfortable here. I got a latte in house while I waited and it was amazing. Bea got me and was really nice. I felt very seen and heard....Click to read more
19.5 mi · 218 W 4th St, Santa Ana, CA 92701
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Beatrize Zayco, PA-C, is a dedicated Physician Assistant with clinical experience in endocrinology and wound care. Originally raised in California, she pursued her medical education in Boston, Massachusetts, where she developed a strong foundation in patient-centered care and evidence-based medicine...Click to read more
Next available: Sat, Sep 12
Family Nurse Practitioner
4.27
·30 reviews
The beginning was not great but Ms Tracey was great - Apr 9, 2025 by Roshaun A.Click to read more
24.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patientsExpertise in chronic diabetes + 3 more
Nurse Practitioner
3.43
·7 reviews
Unable to pick up prescriptions because the orders were improperly order and the dosage was too high. Pharmacy would not fill prescriptions because dosage went against proper guidelines. - Apr 10, 2026 by Nicholas S.Click to read more
24.5 mi · 6926 Brockton Ave, Ste 8, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patients
Next available: today
Primary Care Doctor
5.00
·12 reviews
Everyone was super friendly and helpful. Dr. K. Is absolutely great. Honestly a great experience overall. - Aug 11, 2026Click to read more
25.5 mi · 801 S Chevy Chase Dr, #250, Glendale, CA 91205
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Mon, Oct 5
Urgent Care Clinic
4.68
·361 reviews
Expeditious service, cordial. Was treated as a Person with dignity and empathy. - Jan 4, 2026 by Luis C.Click to read more
26 mi · 2110 W Sunset Blvd, Ste M, Los Angeles, CA 90026
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Pediatrician
5.00
·32 reviews
Doctor was attentive, helped and explained everything pretty clearly.Click to read more
19.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 23 years of experience · Highly recommended · Excellent wait time ·
Read bio
I choose pediatrics because I truly enjoy working with children, and I appreciate that families are willing to make healthy changes for their children. I enjoy the spirit and creativity of children, and the sweet, open optimism that they possess. My goal as a pediatrician is to help guide children i...Click to read more
Next available: Tue, Sep 29
Pediatrician
5.00
·30 reviews
19.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Basu enjoys the personal interaction she has with parents and the special relationship she develops with the children she treats in her practice. She finds it important to listen to the concerns of her young patients and speak directly with them. Her medical interests include general pediatrics,...Click to read more
Next available: Wed, Oct 14
Primary Care Doctor
4.39
·544 reviews
I have been too many places but this has been a great experience. Thank you I recommend this place 100% - Jan 27, 2020 by Armando S.Click to read more
30 mi · 8444 Crenshaw Blvd, Inglewood, CA 90305
In-network · UnitedHealthcare
Accepting new patients · Expertise in emphysema (copd) + 9 more ·
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Please note: If you have an HMO insurance plan, please add THE DOCTOR as your Primary Care Provider as this is a requirement before you can be seen. ____ Dr. Armen Hovhannisyan is a primary care doctor treating patients in Inglewood, California, and the surrounding communities. He holds certificat...Click to read more
Next available: Mon, Sep 7
Physician Assistant (Gastroenterology)
5.00
·7 reviews
22.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Mon, Sep 14
Internist
4.90
·202 reviews
Dr. Carlos Arguedas took the time to answer my questions. He was very thorough and had excellent bedside manners. - May 17, 2021Click to read more
20.5 mi · 5300 Katella Ave, Los Alamitos, CA 90720
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in high cholesterol + 5 more ·
Read bio
Dr. Carlos Arguedas is an internist treating patients in Los Alamitos, California, and the surrounding communities. He holds certification from the American Board of Internal Medicine and is affiliated with the Long Beach Memorial Medical Center. Dr. Arguedas is also a member of the American College...Click to read more
Next available: Mon, Oct 19
Primary Care Doctor
4.81
·108 reviews
I had virtually no wait time, and Dr. Afshar was great.Click to read more
29.5 mi · 24321 Avenida De La Carlota, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure ·
Read bio
Dr. Yama Afshar is an internal medicine physician with a background in public health. He completed medical school at Midwestern University Arizona College of Osteopathic Medicine in Glendale, AZ and residency in internal medicine at UCSF Fresno in Fresno, CA. Dr. Afshar provides primary care for adu...Click to read more
Next available: Wed, Sep 9
Primary Care Doctor
5.00
·38 reviews
Dr. Govashiri was fantastic. He was very professional, concise and precise - Aug 22, 2024 by Carl S.Click to read more
28 mi · 22621 Lake Forest Dr, Lake Forest, CA 92630
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 9 more ·
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Dr. Reza Govashiri is an internist practicing for almost 30 years, currently working in Lake Forest, California for Mission Heritage Medical Group. He completed medical school at Tabritz University of Medical Sciences before finishing his internship and residency at Brooklyn Hospital Center. Dr. Go...Click to read more
Next available: Wed, Sep 30
Primary Care Doctor
4.71
·82 reviews
Long wait but good checkup, didn’t need to fast since they take blood at lab not this location. - Oct 27, 2025 by Maya K.Click to read more
28 mi · 23141 Moulton Pkwy, Ste 108, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Dr. Khoshreza has been practicing as a primary care physician, focusing on preventive medicine and managing chronic diseases. With a passion for guiding patients toward healthier lifestyles, she is committed to fostering strong patient relationships and providing personalized, evidence-based care.Click to read more
Next available: Fri, Sep 25
Urgent Care Clinic
4.65
·84 reviews
the staff were courteous. - Dec 27, 2025 by Virginia N.Click to read more
28 mi · 555 E Ocean Blvd, Ste 110, Long Beach, CA 90802
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Physician Assistant (Gastroenterology)
22.5 mi · 2621 S Bristol St, Ste 202, Santa Ana, CA 92704
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Tue, Sep 15
Primary Care Doctor
4.87
·95 reviews
I’ve put off finding a ‘Primary Doctor” for a very long time! I finally ‘bit the bullet’ & am, so far extremely pleased!???? - May 12, 2023 by Sandra J.Click to read more
28 mi · 22621 Lake Forest Dr, Lake Forest, CA 92630
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 5 more ·
Read bio
While Dr. Ahsan was growing up, she always wanted to be a doctor. Her mother told her stories about how her father wanted his youngest daughter to become a doctor, but he passed away just before she was born. Ever since, she has felt a strong obligation to fulfill his wish. She believes that we, as ...Click to read more
Next available: Wed, Oct 7
Physician Assistant (Gastroenterology)
5.00
·7 reviews
22 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Tue, Sep 29
Primary Care Doctor
4.84
·395 reviews
he was very helpful and informative. no judgement, just working to make sure i was taken care of. thank you! - Jun 16, 2016 by Ryann T.Click to read more
30.5 mi · 24953 Paseo De Valencia Building B, Suite 13B, Laguna Hills, CA 92653
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in high cholesterol + 5 more ·
Read bio
Dr. Leung is the medical director at AV Family Medicine & Urgent Care. He oversees a staff of doctors and nurse practitioner who are ready to take care of your needs. Dr. Leung is an active member of the American Board of Family Medicine, and is on staff with Memorialcare Saddleback Medical Cente...Click to read more
Next available: Wed, Sep 9
Physician Assistant (Gastroenterology)
23 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Mon, Sep 14
Primary Care Doctor
4.56
·32 reviews
They were wonderful and they successfully treated my problem. - Jul 21, 2026 by John B.Click to read more
33 mi · 8815 W Pico Blvd, Los Angeles, CA 90035
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in chronic high blood pressure + 9 more ·
Read bio
YourMD Urgent Care- Dr. Payam Shadi is a board-certified internist (2002–2012) and board-certified in sleep medicine (2009–2019), who has been practicing medicine since 2002. Based in the heart of Los Angeles, he has dedicated over two decades to providing compassionate, patient-centered care. Dr. ...Click to read more
Next available: today
Physician Assistant (Gastroenterology)
22 mi · 5455 Garden Grove Blvd, Ste 230, Westminster, CA 92683
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Kayla Mathiowetz, PA-C, is a board-certified Physician Assistant at Gastrointestinal & Liver Consultants , providing care for patients in Santa Ana, Irvine, Anaheim, and Westminster, California. Originally from New England, she graduated from Northeastern University in Boston, Massachusetts with a ...Click to read more
Next available: Fri, Oct 16
Family Nurse Practitioner
4.30
·33 reviews
Provider listened and provided good feedback and information pertaining to my issues. A clear plan was communicated to address my health problems. Regina was caring and empathetic. - Mar 31, 2026 by Marcia S.Click to read more
24.5 mi · 4646 Brockton Ave, Ste 201, Riverside, CA 92506
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Regina Robertson, MSN, APRN, FNP-BC, is a compassionate and experienced Nurse Practitioner with more than 30 years in nursing and advanced clinical care. She is dedicated to providing thoughtful, patient-centered primary care that focuses on both physical and emotional well-being. Regina holds a Mas...Click to read more
Next available: Tue, Sep 8
Primary Care Doctor (Virtual)
4.70
·23 reviews
This was my first time using Zocdoc. Thank goodness I chose the most wonderful doctor. Dr. Carmen Jaramillo was absolutely wonderful. Dr. Carmen was patient and understanding. I will continue to use Zocdoc and always with Dr. Carmen Jaramillo. Thank you so much Dr. Carmen. Sincerely, Helen P...Click to read more
Beverly Hills, CA
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
*Please note: Circle Medical is unable to see patients who are on a Medicaid or MediCal insurance plan, as it could result in you losing your insurance coverage. If after booking with us it is found that you have a plan that is part of Medicaid or MediCal, your appointment will be cancelled.* Ca...Click to read more
Next available: tomorrow
Primary Care Doctor (Virtual)
4.49
·821 reviews
appointment went great. the parking was efficient. all we're super nice - Jan 11, 2024 by Clyde P.Click to read more
Los Angeles, CA
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in lower back pain + 4 more ·
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***Due to COVID-19 Dr. Kamara is offering telemedicine Bookings. Upon your request, you will receive instructions from Dr. Kamara on how to properly reach him through telemedicine.*** Steven Kamara is a diligent and compassionate physician specializing in internal medicine and treating his patient...Click to read more
Next available: Tue, Sep 8
Primary Care Doctor
4.49
·821 reviews
appointment went great. the parking was efficient. all we're super nice - Jan 11, 2024 by Clyde P.Click to read more
32 mi · 6221 Wilshire Blvd, Ste 617, Los Angeles, CA 90048
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in lower back pain + 4 more ·
Read bio
***Due to COVID-19 Dr. Kamara is offering telemedicine Bookings. Upon your request, you will receive instructions from Dr. Kamara on how to properly reach him through telemedicine.*** Steven Kamara is a diligent and compassionate physician specializing in internal medicine and treating his patient...Click to read more
Next available: Tue, Sep 8
Urgent Care Clinic
4.76
·140 reviews
Loved the experience! Just uncertain about co-paymentse?? - Sep 12, 2025 by Jannie N.Click to read more
30.5 mi · 4700 W Pico Blvd, Ste G-H, Los Angeles, CA 90019
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Carbon Health combines smart technology and modern design to help make high-quality, inclusive, and personal healthcare accessible to all. With our convenient urgent care locations, we treat a full spectrum of health needs including cold, COVID and flu symptoms, urinary tract infections, sinus infec...Click to read more
Next available: today
Pediatrician
4.43
·7 reviews
24 mi · 1704 Colorado Blvd, Los Angeles, CA 90041
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience ·
Read bio
Dr. Judy Lee is a board-certified pediatrician. Dr. Lee received a combined Public Health Master’s degree along with her medical degree at Tufts University in Boston in 1999. She interned at Babies and Children’s Hospital of NY. She finished her residency at Children’s Hospital of Los Angeles. When ...Click to read more
Next available: Wed, Sep 23
Physician Assistant (Gastroenterology)
5.00
·7 reviews
23 mi · 1400 Reynolds Ave, Ste 100, Irvine, CA 92614
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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Sarah Levitt, PA-C, is a board-certified Physician Assistant, providing quality patient care at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, Anaheim, and Westminster, California. She graduated from California State University Long Beach with a Bachelor of Science in Kinesiology Exerc...Click to read more
Next available: Wed, Oct 14
Primary Care Doctor
4.97
·34 reviews
Great! by PMClick to read more
32.5 mi · 8641 Wilshire Blvd, Ste 100, Beverly Hills, CA 90211
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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If for any reason you need to cancel your appointment after you Booked through ZocDoc, please call us so we can reschedule as we will accommodate you as best as possible. It is best to call us to find out so we can accommodate you if you end up canceling your appointment because of scheduling conf...Click to read more
Next available: Tue, Sep 8
Physician Assistant
25.5 mi · 4911 Warner Ave, Ste 205, Huntington Beach, CA 92649
In-network · UnitedHealthcare
Accepting new patients · Expertise in pain in joint + 2 more ·
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Dawn Vollman, PA-C, is a dedicated Physician Assistant providing comprehensive family medicine services for patients of all ages. She is passionate about helping patients achieve their health goals through preventive care, chronic disease management, and timely treatment of acute illnesses. Dawn ha...Click to read more
Next available: Mon, Sep 14
Primary Care Doctor
4.78
·692 reviews
Dr. Banafshe was very helpful and very professional. The appointment was handled right on time as well. - Jan 9, 2015Click to read more
34 mi · 6222 W Manchester Ave, Ste A, Los Angeles, CA 90045
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 24 years of experience · Excellent wait time · Expertise in lower back pain + 9 more ·
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Dr. Paymon Banafshe earned his undergraduate degree from UCLA and his medical degree from the Western University of the Health Sciences –Pomona. He completed his internship and residency in Internal Medicine at Los Angeles County/USC Medical Center. Dr. Banafshe is sought after for his warm manner, ...Click to read more
Next available: Mon, Sep 7
Physician Assistant
25.5 mi · 801 S Chevy Chase Dr, #250, Glendale, CA 91205
In-network · UnitedHealthcare
Accepting new patients ·
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Originally from El Salvador, Luis emigrated to the U.S. and graduated from USC with his PA Certificate in 1994. Since, he has worked with notable organizations including Good Samaritan Hospital, South Central Family Health Center, and Los Angeles Medical Center. He is fluent in Spanish and enjoys re...Click to read more
Next available: Thu, Sep 17
Nurse Practitioner
5.00
·1 review
Office was clean and organized, providers and staff kind and helpful, was able to get bloodwork next day! - May 30, 2026 by Allison B.Click to read more
26 mi · 1407 Foothill Blvd, La Cañada Flintridge, CA 91011
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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Gabie Mekikian, FNP, is a compassionate and highly trained Nurse Practitioner at Elevate Health Group, proudly serving patients throughout Glendale and La Cañada. She earned her Bachelor of Science in Nursing from West Coast University and completed her advanced Nurse Practitioner training at Charle...Click to read more
Next available: Mon, Sep 14
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
So easy to schedule an appointment with my doctor through Zocdoc. I only schedule visits through the Zocdoc platform now.
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Zocdoc is great and so convenient. It always makes my appointments go smoothly as well.
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This was my first Zocdoc experience and everything went perfectly!
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Frequently asked questions

How can I make a same-day appointment with a Primary Care Doctor in Diamond Bar who takes UnitedHealthcare insurance?

On average, patients who use Zocdoc can search for a Primary Care Doctor in Diamond Bar who takes UnitedHealthcare insurance, book an appointment, and see the Primary Care Doctor within 24 hours. Same-day appointments are often available, you can search for real-time availability of Doctors in Diamond Bar who accept UnitedHealthcare insurance and make an appointment online.


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How can I book an appointment online with a UnitedHealthcare Primary Care Doctor in Diamond Bar?

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How can I find a female Primary Care Doctor in Diamond Bar who takes UnitedHealthcare insurance?

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How can I find a video visit with a Primary Care Doctor online in Diamond Bar?

Doctors in Diamond Bar on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Doctors who offer video visits.


Are video visits with a Primary Care Doctor online covered by UnitedHealthcare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Doctors in Diamond Bar who accept UnitedHealthcare for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.


How can I find a UnitedHealthcare Primary Care Doctor in Diamond Bar who sees patients in the morning or evening?

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How can I find a UnitedHealthcare Primary Care Doctor in Diamond Bar who sees patients during the weekend?

Zocdoc let's you see real-time availability for UnitedHealthcare Doctors in Diamond Bar. Many UnitedHealthcare Doctors offer appointments on Saturdays and Sundays.