Best Geriatricians in Orange
Looking for a geriatrician in Orange? Most patients narrow the list by insurance first, then by location and reviews. 21+ verified geriatricians appear below.
21 geriatricians in Orange

Telehealth Medical Group Inc.
4.5Telehealth Medical Group Inc. · Geriatric Medicine (Family Medicine) Physician
615 E Chapman Ave(714) 639-4012
Nagina Abdiani, DO
4.5Nagina Abdiani · Geriatric Medicine (Family Medicine) Physician
101 The City Dr S(714) 456-7007
Kassandra Angela King, DO
4.5Kassandra Angela King · Geriatric Medicine (Internal Medicine) Physician
101 The City Dr S(714) 880-7812
Shashidar B Acharya, MD
4.5Shashidar B Acharya · Geriatric Medicine (Internal Medicine) Physician
1240 E Chapman Ave(714) 771-2800
Julia R. Den Hartog, MD
4.5Julia R. Den Hartog · Geriatric Medicine (Internal Medicine) Physician
661 University Ln Suite B(540) 661-3004
Lydia Bai Tsin Ann
4.5Lydia Bai Tsin Ann · Geriatric Psychiatry Physician
3800 W Chapman Ave Suite 500(714) 456-5902
Kristina Mikell, AGNP C
4.5Kristina Mikell · Gerontology Nurse Practitioner
1100 W Town And Country Rd Suite 1300(855) 434-7767
Shannon Ha Duyen Sicat, NP
4.5Shannon Ha Duyen Sicat · Gerontology Nurse Practitioner
2617 E Chapman Ave Suite 109(714) 847-6900
Mary Peacock Harward, MD
4.5Mary Peacock Harward · Geriatric Medicine (Internal Medicine) Physician
1234 W Chapman Ave(714) 532-4915
Edna Elvira Biddy, MD
4.5Edna Elvira Biddy · Geriatric Medicine (Family Medicine) Physician
101 The City Dr S(714) 456-8296
R. William Buster, M.D. And Associates
4.5R. William Buster, M.D. And Associates · Geriatric Medicine (Internal Medicine) Physician
845 W La Veta Ave Suite 108(714) 639-2600
Nationsmed Medical Group
4.5Nationsmed Medical Group · Geriatric Medicine (Family Medicine) Physician
615 E Chapman Ave(714) 639-4012
Jh Physical Therapy Inc.
4.5Jh Physical Therapy Inc. · Geriatric Physical Therapist
1070 N Batavia St(949) 228-2459
Angela Tan, MD
4.5Angela Tan · Geriatric Medicine (Internal Medicine) Physician
101 The City Dr S(714) 456-6770
Magdi Messiha, M.D. , Inc.
4.5Magdi Messiha, M.D. , Inc. · Geriatric Medicine (Internal Medicine) Physician
303 W Katella Ave(714) 633-1400

Joey Timothy Wong, DO
4.5Joey Timothy Wong · Geriatric Medicine (Family Medicine) Physician
2592 N. Santiago Blvd(885) 434-7763
Xaviour James Walker, MD
4.5Xaviour James Walker · Geriatric Medicine (Internal Medicine) Physician
200 S Manchester Ave(714) 456-6576

Robert William Buster, MD
4.5Robert William Buster · Geriatric Medicine (Internal Medicine) Physician
845 W La Veta Ave Suite 108(714) 639-2600
Renee Ann Pace, MD
4.5Renee Ann Pace · Geriatric Medicine (Family Medicine) Physician
101 The City Dr S(630) 414-8971
Geriatricians in Orange by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Geriatricians in nearby cities
Same specialty in cities near Orange — useful if your insurance network extends across the metro.
About finding a geriatrician in Orange
Orange has geriatricians practicing across hospital systems, group practices, and independent clinics. When choosing a geriatrician in Orange, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many Orange geriatricians list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about geriatricians in Orange
What should I ask a geriatrician in Orange before booking?+
Confirm three things: (1) they currently accept your specific insurance plan and network tier, (2) the office location and parking, and (3) typical wait times for new-patient visits.
Is telehealth available with Orange geriatricians?+
Many Orange geriatricians offer telehealth visits, especially for follow-ups, prescription refills, and consultations. Look for the telehealth badge on each profile.
How are these Orange geriatricians verified?+
Every listing on Heallexa is matched against NPI records and state license databases. Credentials, board certifications, and active license status are surfaced on each profile.
Is Heallexa free for patients in Orange?+
Yes. Searching, comparing, and contacting Orange geriatricians on Heallexa is 100% free for patients. We don't charge booking fees or sell your search data.