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315 verified CalOptima Doctors in Mission Viejo, 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 04/23/2026
Availability last updated 04/23/2026

Dr. Sarvenaz S. Mobasser, MD

Primary Care Doctor
4.50
·313 reviews
She is a very caring and professional doctor, and her staff is always helpful and friendly. Cant complain abot anything. - Dec 6, 2013 by Andres M.Click to read more
45.5 mi · 1333 S Hl St, Los Angeles, CA 90015
In-network · CalOptima
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure + 2 more ·
Read bio
As a Dermatologist serving the Los Angeles area, Dr. Sarvenaz Mobasser provides patients with individualized and comprehensive treatment plans tailored to their unique healthcare needs. She has been praised for her diagnostic skills, quickly recognizing unique cases, and has been called one of the t...Click to read more
Out-of-network providers
Availability last updated 04/23/2026
Availability last updated 04/23/2026

Karima Gulwani, NP

Nurse Practitioner
33.5 mi · 8800 Alondra Blvd, Suite C, Bellflower, CA 90706
Out-of-network
Also offers video visitsAccepting new patients

Dr. Howard Pyo, DO

Family Physician
4.88
·1265 reviews
Dr. Pyo was kind and efficient. He saw me right away and made me feel listened to. by JBClick to read more
34 mi · 360 East 7th St Suite B Upland CA 91786, Suite B, Upland, CA 91786
Out-of-network
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. If patient prefers to see only Dr. Pyo, we fully respect their choice and will not include residents or students in their care. All of our patients are GUARANTEED...Click to read more

Marlene Sapien - Wissa, APRN, RN, NP

Family Nurse Practitioner
5.00
·1 review
- Feb 18, 2026 by Annie F.Click to read more
34.5 mi · 24760 Sunnymead Blvd, 105, Moreno Valley, CA 92553
Out-of-network
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Hello! Please review a few things when booking with me: Before booking, please make sure the location works for you. We have a number of locations in the Inland Empire. We collect deductibles, copays at the time of service. If you have any questions or concerns, please call your insurance before yo...Click to read more

Barbara Santacruz, PA

Physician Assistant
34.5 mi · 525 N 13th Ave, Ste A, Upland, CA 91786
Out-of-network
Also offers video visits · Accepting new patients ·
Read bio
Barbara Santa Cruz is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland, with over 44 years of experience in healthcare. A Southern California native, Barbara began her career in nursing before becoming a PA when the profession was still in its early days. Her backgro...Click to read more

Barbara Santacruz, PA

Physician Assistant (Virtual)
Upland, CA
Out-of-network
Accepting new patients · Offers video visits ·
Read bio
Barbara Santa Cruz is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland, with over 44 years of experience in healthcare. A Southern California native, Barbara began her career in nursing before becoming a PA when the profession was still in its early days. Her backgro...Click to read more

Dr. Chad Sparks, MD

Internist (Virtual)
Rancho Cucamonga, CA
Out-of-network
Accepting new patients · Offers video visits ·
Read bio
My experience embodies the fusion of clinical excellence, artificial intelligence, and strategic business acumen. I bring data-driven, academic, and commercial research design understanding. Coupled with machine learning knowledge, the sky’s the limit. I earned my Doctor of Medicine from the Univ...Click to read more

Martena Israil, NP

Nurse Practitioner
1.00
·1 review
35.5 mi · 8906 San Bernardino Rd, Ste 140, Rancho Cucamonga, CA 91730
Out-of-network
Also offers video visits · Accepting new patients ·
Read bio
Ms. Martena Israil is a skilled, friendly, and caring nurse practitioner. She currently offers her services at Rancho Weight Loss in Rancho Cucamonga, CA, and takes virtual appointments. As part of her formal education and training, Ms. Israil earned her master's degree in family health nursing fr...Click to read more

Dr. Chad Sparks, MD

Internist
35.5 mi · 8906 San Bernardino Rd, Ste 140, Rancho Cucamonga, CA 91730
Out-of-network
Also offers video visits · Accepting new patients ·
Read bio
My experience embodies the fusion of clinical excellence, artificial intelligence, and strategic business acumen. I bring data-driven, academic, and commercial research design understanding. Coupled with machine learning knowledge, the sky’s the limit. I earned my Doctor of Medicine from the Univ...Click to read more

Hilda Mancilla, PA

Physician Assistant
35.5 mi · 8231 Rochester Ave, Rancho Cucamonga, CA 91730
Out-of-network
Also offers video visits · Accepting new patients ·
Read bio
Hilda Mancilla, PA-C, is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland. A lifelong Inland Empire resident, she earned her undergraduate degree from Cal State San Bernardino and her medical training from Western University of Health Sciences in Pomona. With 24 year...Click to read more

Hilda Mancilla, PA

Physician Assistant (Virtual)
Rancho Cucamonga, CA
Out-of-network
Accepting new patients · Offers video visits ·
Read bio
Hilda Mancilla, PA-C, is a dedicated physician assistant at Rancho Wellness in Rancho Cucamonga and Upland. A lifelong Inland Empire resident, she earned her undergraduate degree from Cal State San Bernardino and her medical training from Western University of Health Sciences in Pomona. With 24 year...Click to read more

Dr. Elizabeth Romero, MD

Primary Care Doctor
42.5 mi · 7740 El Camino Real, Ste F, Carlsbad, CA 92009
Out-of-network
Accepting new patients ·
Read bio
I strongly believe in patient autonomy, which includes empowering the patient and being their strongest advocate/ally to provide the best healthcare possible. If you are unable to attend your upcoming appointment, please cancel at least 24 hours in advance through Zocdoc or the One Medical App. Yo...Click to read more

Dr. Pouya Bahrami, DO

Primary Care Doctor
4.00
·3 reviews
Wasn't initially aware he was on-call at that location so the wait was a little longer than expected. Not sure if he's always on-call or just so for Fridays. Overall nothing to complain about given it was a last minute appointment I made (only 2days in advance). A very good experience.Click to read more
42.5 mi · 12610 South Western Ave, Los Angeles, CA 90047
Out-of-network
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure + 8 more ·
Read bio
Bahrami began his medical career at the University of New England in Maine. He completed his medical school training there in 1996. A year later, he attended the UC Irvine-San Bernardino County Medical Center, where he received extensive surgical training. In 1999, Dr. Bahrami went to the south of...Click to read more

Bethany Sims, NP

Nurse Practitioner
36 mi · 3910 Vista Way, Oceanside, CA 92056
Out-of-network
Accepting new patients

Oksana Pradun, NP

Nurse Practitioner
36 mi · 3910 Vista Way, Oceanside, CA 92056
Out-of-network
Accepting new patients

Meliza Suarez, NP

Nurse Practitioner
36 mi · 3910 Vista Way, Oceanside, CA 92056
Out-of-network
Accepting new patients

Casie Yang, NP

Nurse Practitioner
36 mi · 3910 Vista Way, Oceanside, CA 92056
Out-of-network
Accepting new patients

Dr. Noaman Hanif, MD

Primary Care Doctor
4.88
·1081 reviews
Made me feel at ease, super efficient systems to get medical records. Great experience! Will be going back! by Terra K.Click to read more
42.5 mi · 289 W. Huntington Drive, Suite 309, Arcadia, CA 91007
Out-of-network
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in high cholesterol + 3 more ·
Read bio
As one of the leading physicians in the greater Los Angeles area, Dr. Noaman Hanif provides quality internal care to members of his community in a comfortable and friendly environment. He earned his Doctor of Medicine from Ross University School of Medicine and completed his residency in Family Medi...Click to read more

Oksana Pradun, NP

Nurse Practitioner
37 mi · 7950 Cherry Ave, Ste 108, Fontana, CA 92336
Out-of-network
Accepting new patients

Bethany Sims, NP

Nurse Practitioner
37 mi · 7950 Cherry Ave, Ste 108, Fontana, CA 92336
Out-of-network
Accepting new patients

Meliza Suarez, NP

Nurse Practitioner
37 mi · 7950 Cherry Ave, Ste 108, Fontana, CA 92336
Out-of-network
Accepting new patients

Casie Yang, NP

Nurse Practitioner
37 mi · 7950 Cherry Ave, Ste 108, Fontana, CA 92336
Out-of-network
Accepting new patients

Dr. Paul Sliskovich, MD

Family Physician
37 mi · 1600 S Gaffey St, San Pedro, CA 90731
Out-of-network
Also offers video visits · Accepting new patients · Expertise in upper respiratory infection (uri) + 3 more ·
Read bio
Dr. Paul Sliskovich is a board-certified family medicine physician. He earned his undergraduate degree from the University of Southern California and his Doctor of Medicine from Creighton University in Omaha, Nebraska. He also completed his residency in Family Medicine at Creighton University.Click to read more

Dr. Carolyn Vargas, MD

Internist
37 mi · 1600 S Gaffey St, San Pedro, CA 90731
Out-of-network
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 3 more ·
Read bio
Dr. Vargas is a board-certified internist with 26 years of experience and a strong background in cardiology. She earned her Doctor of Medicine from the University of California, Irvine. Skilled at treating acute and chronic conditions for seniors, she places a strong focus on education and lifestyle...Click to read more

Dr. Lilia Prado, DO

Family Physician
37 mi · 1600 S Gaffey St, San Pedro, CA 90731
Out-of-network
Also offers video visits · Accepting new patients · Expertise in chronic diabetes + 2 more ·
Read bio
Dr. Lilia Prado is a board-certified family medicine physician with over 30 years of experience providing medical care to patients of all ages. She is a graduate of the University of Texas at El Paso and earned her Doctor of Osteopathic Medicine from the University of North Texas. Dr. Prado is bilin...Click to read more

Dr. Robert Thayer, DO

Internist
37 mi · 1600 S Gaffey St, San Pedro, CA 90731
Out-of-network
Also offers video visits · Accepting new patients · Expertise in pneumonia + 9 more ·
Read bio
Dr. Thayer is a board-certified internist who earned his Doctor of Osteopathic Medicine from Midwestern University, Arizona College of Osteopathic Medicine. He completed his residency at Creighton University. Before his medical career, he served in the United States Air Force as an electronic warfar...Click to read more

Dr. Sharon Genato, MD

Internist
37 mi · 1600 S Gaffey St, San Pedro, CA 90731
Out-of-network
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure + 4 more ·
Read bio
Dr Sharon Genato is board certified in Internal Medicine. She earned her medical degree from the University of the East College of Medicine in the Philippines. She completed her internship at the Atlantic City Medical Center in the New Jersey and her residency at the Montefiore Medical Center, the U...Click to read more

Dr. Ramachandran Srinivasan, MD, FACR

Internist
3.94
·54 reviews
The staff and Dr. Luisana were very nice, intelligent and provide fast and efficient service. - May 23, 2017 by Mario C.Click to read more
37 mi · 5831 Firestone Blvd, Ste E, South Gate, CA 90280
Out-of-network
Accepting new patients · 25+ years of experience · Expertise in fibromyalgia and chronic pain and fatigue + 7 more ·
Read bio
Dr. Ramachandran Srinivasan, MD, FACR, completed his Medical Diploma/M.B.B.S. (Bachelor of Medicine, Bachelor of Surgery) at Andhra Medical College, India. He completed his internship at Lakewood Hospital, Ohio. He then finished his Internal Medicine Residency at Veterans Affairs Los Angeles Healthc...Click to read more

Dr. Lilia Prado, DO

Family Physician
38 mi · 1366 W 7th St, San Pedro, CA 90732
Out-of-network
Also offers video visits · Accepting new patients · Expertise in chronic diabetes + 2 more ·
Read bio
Dr. Lilia Prado is a board-certified family medicine physician with over 30 years of experience providing medical care to patients of all ages. She is a graduate of the University of Texas at El Paso and earned her Doctor of Osteopathic Medicine from the University of North Texas. Dr. Prado is bilin...Click to read more

Dr. Carolyn Vargas, MD

Internist (Virtual)
San Pedro, CA
Out-of-network
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in high cholesterol + 3 more ·
Read bio
Dr. Vargas is a board-certified internist with 26 years of experience and a strong background in cardiology. She earned her Doctor of Medicine from the University of California, Irvine. Skilled at treating acute and chronic conditions for seniors, she places a strong focus on education and lifestyle...Click to read more

Dr. Paul Sliskovich, MD

Family Physician
38 mi · 1366 W 7th St, San Pedro, CA 90732
Out-of-network
Also offers video visits · Accepting new patients · Expertise in upper respiratory infection (uri) + 3 more ·
Read bio
Dr. Paul Sliskovich is a board-certified family medicine physician. He earned his undergraduate degree from the University of Southern California and his Doctor of Medicine from Creighton University in Omaha, Nebraska. He also completed his residency in Family Medicine at Creighton University.Click to read more

Dr. Sharon Genato, MD

Internist
38 mi · 1366 W 7th St, San Pedro, CA 90732
Out-of-network
Also offers video visits · Accepting new patients · Expertise in chronic high blood pressure + 4 more ·
Read bio
Dr Sharon Genato is board certified in Internal Medicine. She earned her medical degree from the University of the East College of Medicine in the Philippines. She completed her internship at the Atlantic City Medical Center in the New Jersey and her residency at the Montefiore Medical Center, the U...Click to read more

Dr. Sharon Genato, MD

Internist (Virtual)
San Pedro, CA
Out-of-network
Accepting new patients · Offers video visits · Expertise in chronic high blood pressure + 4 more ·
Read bio
Dr Sharon Genato is board certified in Internal Medicine. She earned her medical degree from the University of the East College of Medicine in the Philippines. She completed her internship at the Atlantic City Medical Center in the New Jersey and her residency at the Montefiore Medical Center, the U...Click to read more

Dr. Carolyn Vargas, MD

Internist
38 mi · 1366 W 7th St, San Pedro, CA 90732
Out-of-network
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 3 more ·
Read bio
Dr. Vargas is a board-certified internist with 26 years of experience and a strong background in cardiology. She earned her Doctor of Medicine from the University of California, Irvine. Skilled at treating acute and chronic conditions for seniors, she places a strong focus on education and lifestyle...Click to read more

Dr. Robert Thayer, DO

Internist (Virtual)
San Pedro, CA
Out-of-network
Accepting new patients · Offers video visits · Expertise in pneumonia + 9 more ·
Read bio
Dr. Thayer is a board-certified internist who earned his Doctor of Osteopathic Medicine from Midwestern University, Arizona College of Osteopathic Medicine. He completed his residency at Creighton University. Before his medical career, he served in the United States Air Force as an electronic warfar...Click to read more

Dr. Paul Sliskovich, MD

Family Physician (Virtual)
San Pedro, CA
Out-of-network
Accepting new patients · Offers video visits · Expertise in upper respiratory infection (uri) + 3 more ·
Read bio
Dr. Paul Sliskovich is a board-certified family medicine physician. He earned his undergraduate degree from the University of Southern California and his Doctor of Medicine from Creighton University in Omaha, Nebraska. He also completed his residency in Family Medicine at Creighton University.Click to read more

Dr. Robert Thayer, DO

Internist
38 mi · 1366 W 7th St, San Pedro, CA 90732
Out-of-network
Also offers video visits · Accepting new patients · Expertise in pneumonia + 9 more ·
Read bio
Dr. Thayer is a board-certified internist who earned his Doctor of Osteopathic Medicine from Midwestern University, Arizona College of Osteopathic Medicine. He completed his residency at Creighton University. Before his medical career, he served in the United States Air Force as an electronic warfar...Click to read more

Dr. Lilia Prado, DO

Family Physician (Virtual)
San Pedro, CA
Out-of-network
Accepting new patients · Offers video visits · Expertise in chronic diabetes + 2 more ·
Read bio
Dr. Lilia Prado is a board-certified family medicine physician with over 30 years of experience providing medical care to patients of all ages. She is a graduate of the University of Texas at El Paso and earned her Doctor of Osteopathic Medicine from the University of North Texas. Dr. Prado is bilin...Click to read more

Dr. Karanbir Brar, MD

Primary Care Doctor
45 mi · 351 Santa Fe Drive, Ste #250, Encinitas, CA 92024
Out-of-network
Also offers video visits · Accepting new patients · Expertise in high cholesterol + 7 more ·
Read bio
Dr. Kern Brar is a compassionate, board-certified internal medicine physician who offers personalized primary care tailored to each patient's unique needs. He earned his Doctor of Medicine from Ross University School of Medicine - Academic Campus and completed his residency in Internal Medicine at A...Click to read more

Dr. Karanbir Brar, MD

Primary Care Doctor (Virtual)
Encinitas, CA
Out-of-network
Accepting new patients · Offers video visits · Expertise in high cholesterol + 7 more ·
Read bio
Dr. Kern Brar is a compassionate, board-certified internal medicine physician who offers personalized primary care tailored to each patient's unique needs. He earned his Doctor of Medicine from Ross University School of Medicine - Academic Campus and completed his residency in Internal Medicine at A...Click to read more
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I checked out Zocdoc’s website and was pleasantly surprised. I read a lot of positive reviews from most of their providers...My only regret is that I didn’t make an appointment sooner.
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Frequently asked questions

How can I make a same-day appointment with a Primary Care Doctor in Mission Viejo who takes CalOptima insurance?

On average, patients who use Zocdoc can search for a Primary Care Doctor in Mission Viejo who takes CalOptima 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 Mission Viejo who accept CalOptima insurance and make an appointment online.

How can I find a Primary Care Doctor in Mission Viejo who takes CalOptima?

Zocdoc lets you search specifically for a Primary Care Doctor in Mission Viejo who takes CalOptima. 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 CalOptima Primary Care Doctor in Mission Viejo?

Zocdoc is a free online service that helps patients find CalOptima Doctors in Mission Viejo and book appointments instantly. You can search for CalOptima Doctors in Mission Viejo 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 Mission Viejo who takes CalOptima insurance?

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

How can I find a CalOptima Primary Care Doctor in Mission Viejo who sees patients after hours?

On Zocdoc, you can search specifically for CalOptima Doctors in Mission Viejo with availability after 5 p.m.

How can I find a top-rated CalOptima Primary Care Doctor in Mission Viejo?

You can use Zocdoc to find CalOptima Doctors in Mission Viejo 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 Mission Viejo?

Doctors in Mission Viejo 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 CalOptima?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Doctors in Mission Viejo who accept CalOptima 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 CalOptima Primary Care Doctor in Mission Viejo 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 CalOptima Primary Care Doctor in Mission Viejo who sees patients during the weekend?

Zocdoc let's you see real-time availability for CalOptima Doctors in Mission Viejo. Many CalOptima Doctors offer appointments on Saturdays and Sundays.

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