Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse doctors
Browse practices
Browse hospitals
Browse insurances
Browse locations
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 10,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified UnitedHealthcare Doctors in Rancho Cucamonga, CA
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 11/11/2026
Availability last updated 11/11/2026

Dr. Rishi Majithia, MD

Primary Care Doctor
4.80
·365 reviews
I was listened to and provided valuable information clearly. - Jan 14, 2025Click to read more
4 mi · 99 N San Antonio Ave, Ste 210, Upland, CA 91786
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
***We DO NOT accept HMO plans or out-of-state insurance plans. You will be charged cash for those appointments. We do not prescribe controlled substances. All pre-visit information must be filled out in a timely manner before your appointment, or you will be subject to cancellation. Please review...Click to read more
Next available: today

Dr. Azhar Majeed, MD, FACP

Primary Care Doctor
4.80
·138 reviews
It was a short video chat and it went really well. by David S.Click to read more
2.5 mi · 1042 San Bernardino Rd, Upland, CA 91786
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Expertise in diabetic emergency + 9 more ·
Read bio
Serving members of the Pomona, Upland, and San Antonio communities, Dr. Azhar Majeed provides quality internal care with attention to detail, compassion, and a gifted support staff. He uses only the most up-to-date equipment to ensure accurate diagnoses and safe treatment plans. Dr. Majeed offers a...Click to read more
Next available: Thu, Jan 7

Carbon Health Urgent Care - Rancho Cucamonga

Urgent Care Clinic
4.76
·103 reviews
They need a primary doctor at the office. - Jan 24, 2023 by Jose S.Click to read more
3.5 mi · 7831 Monticello Ave, Ste 1102, Rancho Cucamonga, CA 91739
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

Dr. Lubna Isho, DO

Primary Care Doctor
4.82
·250 reviews
Dr. Isho is fantastic. She’s empathetic, knows her stuff, and truly cares. - Dec 21, 2023 by Melissa S.Click to read more
9 mi · 250 W Bonita Ave, #150, Pomona, CA 91767
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time ·
Read bio
NOW OFFERING LASER AESTHETIC TREATMENTS INCLUDING SKIN TAG REMOVAL, LASER HAIR REMOVAL, FACELIFT, SMOOTHEYE, LIPLASE. Dr. Lubna Isho is a board certified highly experienced Family Practice Physician. Through Compassion, meticulous attention to detail, and an atmosphere where patients can speak free...Click to read more
Next available: Tue, Dec 8

Carbon Health Urgent Care - Eastvale

Urgent Care Clinic
4.83
·75 reviews
I absolutely love Carbon Health. I wish I could use them as my primary care. - Jul 19, 2026 by Melody O.Click to read more
9 mi · 14117 Limonite Ave, Eastvale, CA 91752
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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

Dr. Karen Kay G Alfonso, MD

Pediatrician
5.00
·1 review
11 mi · 15855 Pomona Rincon Rd, Chino Hills, CA 91709
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alfonso is a board-certified pediatrician practicing for over 10 years in Orange and LA county. She received her medical degree at UC Davis School of Medicine and completed her residency training at CHOC Children’s hospital. Her favorite thing about being a pediatrician is, of course, the kids!...Click to read more
Next available: Wed, Nov 18

Dr. Meisam Fekri, MD

Primary Care Doctor
4.81
·260 reviews
I was able to schedule an appointment quickly. I am grateful for the staff's warm welcome. - Oct 16, 2026 by Diane V.Click to read more
19.5 mi · 222 N Sunset Ave, Ste. F, West Covina, CA 91790
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Medical, STRAIGHT MEDICAL ONLY! NO HMO MEDICAL! No Caloptima No Alameda Alliance No Care First No LA Care Health Plan No Kaiser Permanente No Inland Empire Education and Training: Doctor of Medicine, Shiraz University of Medical Sciences School of Medicine Residency in Internal ...Click to read more
Next available: Fri, Nov 13

Dr. Simon Kim, DO

Primary Care Doctor
4.96
·54 reviews
listened well about symptoms & concerns, Gave great Solutions to problems I have. by JTClick to read more
23.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Simon Kim is an Internal Medicine physician at Pyo Clinic in Fullerton, CA, where he provides comprehensive primary care for adult patients through both in-office and virtual consultations. Fluent in both English and Korean, Dr. Kim is able to provide care to patients in the language they feel m...Click to read more
Next available: today

Dr. Alexander Tran, DO

Primary Care Doctor
4.80
·72 reviews
It was very efficient while addressing all of my concerns. by BDClick to read more
23.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Tran is an Internal Medicine physician at Pyo Clinic, seeing adult patients at our Fullerton and Upland, CA locations, as well as through virtual consultations. He provides comprehensive primary care, from preventive visits and routine health screenings to the diagnosis and management ...Click to read more
Next available: today

Dr. Natalie Garcia-Montoya, MD

Primary Care Doctor
4.89
·47 reviews
Dr. Garcia-Montoya and staff were so welcoming and have put me at ease. I did not feel rushed. I love the fact that they remind me of the Providence I used to go to while working at my previous job. Thank you! - Jun 5, 2024 by Charis G.Click to read more
19 mi · 8078 E Santa Ana Canyon Rd, Anaheim, CA 92808
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
Read bio
Dr. Garcia-Montoya chose Family Medicine as a specialty to serve generations of families through comprehensive health care, including disease prevention. She earned her Doctor of Medicine degree from Ross University School of Medicine and completed both her internship and residency at the Univers...Click to read more
Next available: Wed, Dec 9

Dr. Brian T Lai, DO

Primary Care Doctor
5.00
·33 reviews
20 mi · 4300 Rose Dr, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Brian Lai is a board-certified Family Medicine physician who is born and raised in Southern California. He completed medical school at Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in Pomona. After medical school, he completed his Family Medicine residency...Click to read more
Next available: Mon, Dec 14

Carbon Health Urgent Care - Corona

Urgent Care Clinic
4.86
·87 reviews
Quick and efficient. Got out of there in minute and medication at my pharmacy and home within an hour. Feeling tons better! - Dec 8, 2025 by Rocio M.Click to read more
20.5 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

Carbon Health Urgent Care - Placentia

Urgent Care Clinic
4.84
·77 reviews
Great clinic! Clean location and I was able to be seen immediately.Click to read more
21.5 mi · 858 N Rose Dr, Placentia, CA 92807
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

Dr. Larissa Isterabadi, MD

Pediatrician
4.97
·32 reviews
20 mi · 4300 Rose Dr, Ste E, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the singl...Click to read more
Next available: tomorrow

Dr. Jon Kramer, MD

Pediatrician
5.00
·31 reviews
20 mi · 4300 Rose Dr, Ste E, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. I love being able to help families through the joys and challenges of raising happy, healthy children. It's a remarkable thing to sign a teenager's health form for college and remember the first time you saw that...Click to read more
Next available: tomorrow

Angela Huusfeldt, APRN, RN, NP

Family Nurse Practitioner
4.79
·19 reviews
Angela was a great communicator and followed up when necessary after the appointment to confirm that I had my questions answered. The office did have me wait about 45-55 minutes after I arrived a bit late. I inputted the wrong address and called ahead that I’d be about 15 minutes late. The front d...Click to read more
21 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in high cholesterol ·
Read bio
Angela Huusfeldt is a Family Medicine Nurse Practitioner dedicated to providing compassionate, patient-centered care for individuals and families across all stages of life. She earned her nursing degree from San Diego State University and began her career in the Neonatal Intensive Care Unit at CHOC ...Click to read more
Next available: tomorrow

Dr. Howard Pyo, DO

Family Physician
4.88
·1394 reviews
Excellent experience and Dr. Pup is the best! Highly recommend. - Jun 24, 2023 by Stefanie K.Click to read more
23.5 mi · 2000 E Chapman Ave, Ste 100, Fullerton, CA 92831
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
DISCLAIMER: Pyo Clinic is a learning facility but patient permission is ALWAYS sought before we include residents/students in their care. You can request that you are seen only by Dr Pyo without resident or student involvement as we fully respect your choice. Dr. Howard Pyo is a board-certified fam...Click to read more
Next available: today

Dr. Henry Cheng, MD

Family Physician
4.64
·120 reviews
This is my second visit and he has been very helpful in helping me understand my illnesses. - Apr 11, 2020 by Rene M.Click to read more
21 mi · 500 S Anaheim Hills Rd, Ste 246, Anaheim, CA 92807
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time · Expertise in chronic diabetes + 4 more ·
Read bio
Dr. Henry Cheng is a board-certified family medicine physician. He received his medical degree from the American University of the Caribbean School of Medicine and completed his family medicine residency at Mercy Medical Center in Redding, California. Outside of his practice, Dr. Cheng enjoys mount...Click to read more
Next available: Fri, Nov 13

Dr. Mohammad Nabulsi, MD

Primary Care Doctor
4.93
·69 reviews
Overall, once you arrived , the staff treated you with the upmost respect . The whole visit was outstanding! The doctor listen and helped explain every part of the visit. I would highly recommend making a appointment with this Facility! Awesome, Awesome,Awesome!!! - Aug 31, 2022 by John N.Click to read more
24 mi · 1201 W Whittier Blvd, La Habra, CA 90631
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 4 more ·
Read bio
My goal is to provide compassionate, comprehensive care by treating patients with evidence-based medicine. I am dedicated to ensuring that my patients maintain good health while addressing their preventive healthcare needs and managing active and chronic diseases across all ages. I earned my Doctor ...Click to read more
Next available: Mon, Dec 7

Dr. Divneet Wadhwa, MD

Primary Care Doctor
5.00
·19 reviews
Dr. Wadhwa is very patient, attentive and thorough. by AYClick to read more
27 mi · 1781 W Romneya Dr, Ste B, Anaheim, CA 92801
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Now accepting new patients, with Saturday appointments available! Book your visit and discover personalized care at Westlight Medical Group. Dr. Wadhwa founded Westlight with a simple belief: exceptional healthcare begins with a personal connection. She takes time to listen, understand your concern...Click to read more
Next available: Fri, Nov 13

Dr. Eddie Wilcox Shum, DO

Primary Care Doctor
5.00
·7 reviews
26 mi · 2501 E Chapman Ave, Ste 306, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Eddie Shum is a Family Medicine physician practicing in Orange County, CA.Click to read more
Next available: Mon, Nov 23

Dr. Kristi Kwan, DO

Primary Care Doctor
5.00
·1 review
26 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Kristi Kwan is a board-certified family medicine physician practicing with St. Joseph Heritage Medical Group in Orange, CA.Click to read more
Next available: Tue, Nov 24

Dr. Hing Be, DO

Primary Care Doctor
4.55
·128 reviews
HE always looks to my best interest not the interests of the insurance. - Apr 28, 2017 by Cassandra E.Click to read more
28 mi · 1834 W Lincoln Ave, Anaheim, CA 92801
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in lower back pain + 3 more ·
Read bio
Dr. Hing Be is a Board Certified Member of the American Academy of Family Medicine. He earned his Doctor of Osteopathic Medicine degree from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. He completed his training at San Bernardino Arrowhead Regional Medical C...Click to read more
Next available: Fri, Nov 20

Dr. Kate Erin Monahan, DO

Primary Care Doctor
5.00
·30 reviews
26 mi · 2501 E Chapman Ave, Orange, CA 92869
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Dr. Kate Monahan is an internist with St. Joseph Heritage Medical Group practicing in Orange, CAClick to read more
Next available: Wed, Nov 25

Carbon Health Urgent Care - La Habra

Urgent Care Clinic
4.91
·67 reviews
It was very upbeat and streamlined. In and out and my meds were sent to my Pharmacy. Excellent experience! - Oct 25, 2025 by HAROLD G.Click to read more
24.5 mi · 1040 W Imperial Hwy, La Habra, CA 90631
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

Dr. Vincent Pan, DO

Primary Care Doctor
4.88
·16 reviews
27.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended ·
Read bio
Dr. Vincent Pan is a board certified Family Medicine physician. An Orange County native, he completed medical school at Touro Nevada College of Osteopathic Medicine before finishing his residency at Loma Linda University Health. He has clinical experience in FQHC, private practice, preventative heal...Click to read more
Next available: Tue, Nov 17

Dr. David Joung, MD

Pediatrician
5.00
·31 reviews
20 mi · 4300 Rose Dr, Ste B, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. As a father of two adventurous and energetic boys, I understand the journey of parenthood, which often feels like a roller-coaster ride. When children are doing well and healthy, there is no greater joy and rew...Click to read more
Next available: Mon, Nov 23

Dr. Jenny Wang, DO

Primary Care Doctor
27.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Accepting new patients · Expertise in chronic high blood pressure + 1 more ·
Read bio
Dr. Jenny Wang is a boardcertified family medicine physician who has been in practice at community health centers dedicated to helping underserved populations and promoting health equity. She has relocated to Orange County in 2022 and looks forward to continue to care for a diverse patient populatio...Click to read more
Next available: Tue, Nov 24

Dr. Jeremy Joseph Feck, DO

Primary Care Doctor
5.00
·6 reviews
Great office and staff, was seen quickly and all questions answered - Nov 6, 2026 by Seth E.Click to read more
27.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Jeremy Feck is board certified in Family Medicine. He completed medical school at Lake Erie College of Osteopathic Medicine before finishing his residency at Mercy Medical Center in Redding California. Dr. Feck’s areas of expertise and clinical areas of interest include care for patient’s of all...Click to read more
Next available: Tue, Nov 24

Dr. Chelsea Pham-Wightman, MD

Primary Care Doctor
4.99
·76 reviews
Haven't been to a doctor office in a couple years but Dr. Pham was amazing! - Feb 16, 2024 by Cristian A.Click to read more
27.5 mi · 845 W La Veta Ave, Orange, CA 92868
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic high blood pressure + 1 more ·
Read bio
Dr. Chelsea Pham-Wightman is a board-certified Family Medicine Physician who recently graduated from the University of Iowa residency program. She is returning to Orange County, where she was born and raised. Dr. Pham earned her Doctor of Medicine from Ross University School of Medicine and complete...Click to read more
Next available: Wed, Nov 25

Dr. Marienelle Banez, MD

Pediatrician
5.00
·30 reviews
20 mi · 4300 Rose Dr, Ste E, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Highly recommended ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. There is nothing more important to me than the health and safety of your children. As a strong advocate of vaccinations, I believe that ensuring the children who visit our office are fully vaccinated is the sin...Click to read more
Next available: Thu, Dec 17

Dr. Jacqueline Sun, DO

Pediatrician
5.00
·38 reviews
20 mi · 4300 Rose Dr, Ste D, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Please note that this provider only sees children and adolescents under the age of 18. Dr. Jacqueline Sun is a compassionate pediatrician practicing at St. Jude - Peds in Yorba Linda, CA. Her expertise includes asthma, allergies, urinary tract infection, obesity, and atopic dermatitis. She also foc...Click to read more
Next available: Mon, Dec 21

Dr. Michael Truong, MD

Primary Care Doctor
4.97
·99 reviews
Dr. Truong was great as well as the entire staff. Johnny was extremely helpful. Really enjoyed my first visit there.Click to read more
28 mi · 1535 17th St, Suite 104, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · 15 years of experience · Highly recommended · Excellent wait time · Expertise in joint or tendon inflammation of the finger/wrist/hand + 7 more ·
Read bio
*Our Clinic* Introducing a brand-new clinic, designed to offer a small-town doctor's office experience right in the heart of OC. Our independent practice is owned and operated by the attentive physician who will be personally caring for you. Convenience is key, with ample parking space, a first-flo...Click to read more
Next available: Tue, Dec 1

Dr. Billy Zhang, MD

Primary Care Doctor
5.00
·30 reviews
28.5 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: Mon, Nov 23

Dr. Karoline Wang, MD

Primary Care Doctor
4.85
·39 reviews
Friendly professional - Sep 5, 2025 by Antonio N.Click to read more
28.5 mi · 13400 Jamboree Rd, Ste 200, Irvine, CA 92602
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Karoline Wang is a board-certified Internal Medicine doctor. She graduated from the Medical College of Wisconsin and completed her internship and residency training in internal Medicine at the California Pacific Medical Center in San Francisco. Dr. Wang also has a Masters in Public Health (MHSC)...Click to read more
Next available: Wed, Nov 18

Dr. Marco Paez, MD

Gastroenterologist
4.86
·85 reviews
The staff is friendly and proffessional. The Dr is thorough and kind. - Sep 16, 2026 by Paula S.Click to read more
21 mi · 16677 E Yorba Linda Blvd, Yorba Linda, CA 92886
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
Dr. Marco A. Paez was born in Miami, Florida. He attended Miami-Dade College and Florida International University (FIU). He graduated with a competitive degree in Biological Sciences with a minor in Psychology. He then matriculated at Georgetown University School of Medicine in Washington, D.C. wher...Click to read more
Next available: Fri, Dec 18

Dr. Fouzia Asif, MD

Primary Care Doctor
4.92
·52 reviews
If you are looking for a Doctor, Look no longer. Dr. Fouzia listens, and has an attention to detail. In my first visit she spent over an hour learning everything about my medical history. She explained a plan of action we are going to take together. I felt like someone actually heard my health conc...Click to read more
27.5 mi · 1095 Irvine Blvd, Tustin, CA 92780
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in high cholesterol + 5 more ·
Read bio
While I enjoy all aspects of adult medicine, I particularly appreciate caring for the elderly. Older adults have unique needs, concerns, and issues, and protecting their health requires not only expertise in chronic and complex health conditions but also a willingness to listen carefully and proacti...Click to read more
Next available: Mon, Dec 14

Carbon Health Urgent Care - Whittier

Urgent Care Clinic
4.94
·85 reviews
Great atmosphere. Great docs that tell you what you need to know. - Nov 3, 2026 by Lier S.Click to read more
27.5 mi · 11806 Whittier Blvd, Whittier, CA 90601
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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

Dr. Michael Hernandez, DO

Primary Care Doctor
4.98
·47 reviews
Dr. Hernandez was very nice and professional. Great bedside manner. His office staff was very friendly as well. - Jan 2, 2023 by David M.Click to read more
29.5 mi · 12942 Harbor Blvd, Garden Grove, CA 92840
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 1 more ·
Read bio
Dr. Michael Hernandez is a family physician and primary care doctor at St. Joseph - Family Medicine. He treats the residents of Garden Grove, CA, for common ailments and injuries. He also performs annual check-ups, pap smear examinations, general consultations and follow-ups, and birth control/contr...Click to read more
Next available: Wed, Nov 25

Dr. Crystal Fame, DO

Primary Care Doctor
4.56
·9 reviews
My appointment was great. I was greeted by a friendly staff office that checks me in right away and seen by my provider right away . - Aug 20, 2025 by Beatriz H.Click to read more
28.5 mi · 2212 E 4th St, Santa Ana, CA 92705
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Dr. Crystal Fame is a Family Medicine physician practicing in Orange County, CA.Click to read more
Next available: Fri, Dec 18
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
Made my life so much easier. As someone with chronic health conditions, Zocdoc makes it easy for me to build my medical team and keep track of everything!!
Rachel C
My previous eye doctor has just moved away & I needed to be seen fast, so I turned to Zocdoc. Have always found great doctors through it.
Leeanne M
Setting up the appointment on Zocdoc and being able to wait in the comfort of my bed for my Dr to see me was so much better...I HIGHLY recommend Zocdoc.
Felisha N
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

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

On average, patients who use Zocdoc can search for a Primary Care Doctor in Rancho Cucamonga 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 Rancho Cucamonga who accept UnitedHealthcare insurance and make an appointment online.

How can I find a Primary Care Doctor in Rancho Cucamonga who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Primary Care Doctor in Rancho Cucamonga who takes UnitedHealthcare. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a UnitedHealthcare Primary Care Doctor in Rancho Cucamonga?

Zocdoc is a free online service that helps patients find UnitedHealthcare Doctors in Rancho Cucamonga and book appointments instantly. You can search for UnitedHealthcare Doctors in Rancho Cucamonga by symptom or visit reason. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Primary Care Doctor in Rancho Cucamonga who takes UnitedHealthcare insurance?

When you search for UnitedHealthcare Doctors in Rancho Cucamonga on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see UnitedHealthcare Doctors in Rancho Cucamonga who match your preferences.

How can I find a UnitedHealthcare Primary Care Doctor in Rancho Cucamonga who sees patients after hours?

On Zocdoc, you can search specifically for UnitedHealthcare Doctors in Rancho Cucamonga with availability after 5 p.m.

How can I find a top-rated UnitedHealthcare Primary Care Doctor in Rancho Cucamonga?

You can use Zocdoc to find UnitedHealthcare Doctors in Rancho Cucamonga who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with a Primary Care Doctor online in Rancho Cucamonga?

Doctors in Rancho Cucamonga 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 Rancho Cucamonga 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 Rancho Cucamonga who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Primary Care Doctor who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

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

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

Find doctors

Zocdoc›Doctors›Orange County, CA›Rancho Cucamonga, CA›UnitedHealthcare