Family Medicine Doctors in California
Data updated monthly · Last refresh October 2026
17,166 Family Medicine providers practice in California, including 4,903 (29%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
17,166providers
4,903telehealth
Los Angelestop city
Family Medicine by city in California
Choose a city to see providers there.
Family Medicine providers in California
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Hiep Dang, D.O.Garden Grove, CA · $1,773 in drug and device payments (2025) ·
(714) 590-9697 Dr. Hoang Pham, DOGarden Grove, CA · $19 in drug and device payments (2025) ·
(714) 657-7100 Dr. Hung Doan, M.D.Garden Grove, CA · $77 in drug and device payments (2025) ·
(714) 898-8888 Dr. Hung Quach, M.D.Garden Grove, CA · $94 in drug and device payments (2025) · Telehealth ·
(714) 839-8770 Dr. Illie Wu, M.DGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-7852 Dr. Jaclynn Do, M.D.Garden Grove, CA · $623 in drug and device payments (2025) · Telehealth ·
(714) 467-4321 Dr. Janak Chopra, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 638-0232 Dr. Jason Wiguna, DOGarden Grove, CA · $18 in drug and device payments (2025) ·
(714) 537-5160 Dr. Jennifer Chan, D.O.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 741-3615 Dr. Jenny Truong, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Jong Lee, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 530-9633 Dr. Joseph Nguyen, D.O.Garden Grove, CA · $32 in drug and device payments (2025) · Telehealth ·
(714) 618-9540 Dr. Joseph Sacksteder, D.O.Garden Grove, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Khanh Nguyen, M.D.Garden Grove, CA · $2,671 in drug and device payments (2025) ·
(714) 467-4330 Dr. Khiem Lai, M.D.Garden Grove, CA · $29 in drug and device payments (2025) ·
(714) 537-0547 Dr. Khoi TrinhGarden Grove, CA · $222 in drug and device payments (2025) ·
(714) 539-0444 Dr. Lam Dang, M.DGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 467-4321 Dr. Lanhuong Nguyen, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 539-4900 Dr. Lisa Nguyen, DOGarden Grove, CA · $26 in drug and device payments (2025) ·
(714) 898-8888 Dr. Maria Leynes, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 534-2636 Dr. Maryann Walthier, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 895-2189 Dr. Mary Tran, D.O.Garden Grove, CA · $3,635 in drug and device payments (2025) ·
(714) 537-9181 Dr. Melissa MirandaGarden Grove, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Michael Dao, M.D.Garden Grove, CA · $8,567 in drug and device payments (2025) · Telehealth ·
(714) 531-7830 Dr. Michael Hernandez, DOGarden Grove, CA · $340 in drug and device payments (2025) · Telehealth ·
(714) 705-2120 Dr. Michael Malouf, M.D.Garden Grove, CA · $259 in drug and device payments (2025) · Telehealth ·
(714) 705-2120 Dr. Nancy Lee-hata, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 741-3665 Dr. Navyata Shah, DOGarden Grove, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Nhanhau Ngo, M.D.Garden Grove, CA · $345 in drug and device payments (2025) · Telehealth ·
(714) 657-7100 Dr. Nhu Truong, MDGarden Grove, CA · $924 in drug and device payments (2025) · Telehealth ·
(714) 539-4946 Dr. Parveen Vora, MDGarden Grove, CA · $125 in drug and device payments (2025) ·
(714) 705-2120 Dr. Paul Johnson, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-9850 Dr. Phillip Castellano, MDGarden Grove, CA · $19 in drug and device payments (2025) ·
(714) 530-2183 Dr. Richard Rutledge, D.O.Garden Grove, CA · No drug or device payments recorded (2025) ·
(657) 251-0453 Dr. Robert Nelson, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 530-7373 Dr. Rupal SidhuGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 903-1100 Dr. Said El-zayat, M.D.Garden Grove, CA · $37 in drug and device payments (2025) ·
(714) 537-7800 Dr. Samuel Chan, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 638-8811 Dr. Sarah Nghiem, D.O.Garden Grove, CA · $125 in drug and device payments (2025) ·
(714) 467-4321 Dr. Susan Sharp, DOGarden Grove, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 542-5988 Dr. Thoa Do, MDGarden Grove, CA · $150 in drug and device payments (2025) ·
(714) 839-0294 Dr. Thuy-anh Nguyen, D.O.Garden Grove, CA · $38 in drug and device payments (2025) · Telehealth ·
(714) 418-2040 Dr. Thuy-chung NguyenGarden Grove, CA · $31 in drug and device payments (2025) ·
(714) 898-8888 Dr. Timothy Tran, M.D.Garden Grove, CA · $1,664 in drug and device payments (2025) ·
(714) 537-4343 Dr. Tram Ngo, D.O.Garden Grove, CA · $80 in drug and device payments (2025) ·
(888) 988-2800 Dr. Trieu Bui, DOGarden Grove, CA · $474 in drug and device payments (2025) ·
(714) 839-1276 Dr. Trieu Nguyen, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 741-3568 Dr. Usha Dhar, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-7133 Dr. Vanessa Koeb, D.O.Garden Grove, CA · No drug or device payments recorded (2025) ·
(323) 226-1100 Dr. Van Luu, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 899-2000 Conditions Family Medicine providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Family Medicine providers. Individual practices vary, so confirm with the provider before booking.
- Annual physicals
- High blood pressure
- Type 2 diabetes
- Preventive care
- Minor injuries
Common questions
How many Family Medicine providers are in California?There are 17,166 Family Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Family Medicine providers in California offer telehealth?Yes. 4,903 of the 17,166 Family Medicine providers in California (about 29%) report offering telehealth services in CMS data.
Which cities in California have the most Family Medicine providers?Los Angeles (824), San Diego (778), San Francisco (492) have the highest concentration of Family Medicine providers in California.
How many Family Medicine providers in California received drug or device company payments?5,624 of 17,166 Family Medicine providers in California (33%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Family Medicine providers in California treat?Family Medicine providers commonly treat annual physicals, high blood pressure, type 2 diabetes, preventive care, minor injuries and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Family Medicine Doctors in California work in independent practices or large health systems?Among 10,430 Family Medicine Doctors in California enrolled in Medicare, 21% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 64% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Family Medicine Doctors in California work at?According to CMS facility affiliation records, the California hospitals where the most Family Medicine Doctors hold privileges are Sutter Medical Center, Sacramento in Sacramento; Hoag Memorial Hospital Presbyterian in Newport Beach; Sutter Roseville Medical Center in Roseville.
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