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Family Medicine in Lancaster, California

Data updated monthly · Last refresh September 2026

40 Family Medicine providers practice in Lancaster, and 30% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Family Medicine providers in Lancaster

Listed alphabetically. 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. Alphonso Swaby, D.O.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-5984
Dr. An Chih Hsieh, M.D., MPH
Lancaster, CA · $21 in drug and device payments (2025) · (661) 874-4050
Dr. Ben Tantayanubutr, MD
Lancaster, CA · No drug or device payments recorded (2025) · Telehealth · (818) 375-2809
Dr. Bryan Benefiel, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 729-2511
Dr. Cecil Shikiya, DO
Lancaster, CA · $1,452 in drug and device payments (2025) · (661) 945-5984
Dr. Christine Zarah Garcia, MD
Lancaster, CA · No drug or device payments recorded (2025) · (877) 554-4404
Dr. Christopher Varghese, MD
Lancaster, CA · $29 in drug and device payments (2025) · (562) 867-7999
Dr. Daniel Mongiano, M.D.
Lancaster, CA · $77 in drug and device payments (2025) · Telehealth · (661) 951-9195
Dr. Daniel Shepherd, PA-C
Lancaster, CA · No drug or device payments recorded (2025) · (661) 723-7416
Dr. Enrique Vallota, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 273-8813
Dr. Gary Grubb, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-0821
Dr. Geoffrey Tsoi, DO
Lancaster, CA · $15 in drug and device payments (2025) · Telehealth · (661) 874-4050
Dr. Gian Hernandez, DO
Lancaster, CA · No drug or device payments recorded (2025) · (661) 729-2000
Dr. Hoda Haydari Ahwazi, MD
Lancaster, CA · $63 in drug and device payments (2025) · (833) 574-2273
Dr. Jacqueline Uy
Lancaster, CA · $19 in drug and device payments (2025) · (877) 554-4404
Dr. Julia Granese, FNP
Lancaster, CA · $420 in drug and device payments (2025) · (661) 951-9195
Dr. Katayoun Motlagh, M.D.
Lancaster, CA · $1,027 in drug and device payments (2025) · (661) 947-6400
Dr. Linda Arous, MD
Lancaster, CA · $1,358 in drug and device payments (2025) · (562) 867-7999
Dr. Miriam Nazmy, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 874-4050
Dr. Nagwa Mina, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 723-7416
Dr. Prashant Mistry, MD
Lancaster, CA · No drug or device payments recorded (2025) · Telehealth · (661) 945-5984
Dr. Pratibha Kumar, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-5984
Dr. Richard Kling, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 948-5723
Dr. Ruben Hernandez, MD
Lancaster, CA · $3,388 in drug and device payments (2025) · Telehealth · (661) 945-4581
Dr. Ryan Gorji, M.D.
Lancaster, CA · $69 in drug and device payments (2025) · (661) 874-4050
Dr. Sambiz Amini, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 723-7416
Dr. Shahram Parsa, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 273-8813
Dr. Sheryl Recinos, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 726-6260
Dr. Shwe Yee Oo, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 723-2442
Dr. Siamak Heshmati, MD
Lancaster, CA · No drug or device payments recorded (2025) · Telehealth · (661) 945-9411
Dr. Soha Kolta, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (877) 554-4404
Dr. Susan Nasser, D.O.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-2221
Dr. Tahir Khan, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 948-8581
Dr. Tessiny Holliday, FNP-C
Lancaster, CA · No drug or device payments recorded (2025) · (661) 942-2391
Dr. Thelma Fernandez, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-2716
Dr. Tiffany Ko, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (877) 554-4404
Dr. Tuan Phan, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-9411
Dr. Vanessa Olton, MD
Lancaster, CA · No drug or device payments recorded (2025) · Telehealth · (661) 942-2391
Dr. Veronica Espino De Mason, MD
Lancaster, CA · No drug or device payments recorded (2025) · (562) 867-7999
Dr. Zhongheng Tu, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-5984

Conditions Family Medicine providers in Lancaster, 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.

Common questions

How many Family Medicine providers are in Lancaster, California?

There are 40 Family Medicine providers with active NPI records practicing in Lancaster, according to federal NPPES data refreshed monthly.

How many Family Medicine providers in Lancaster received drug or device company payments?

12 of 40 (30%) 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 Lancaster treat?

Family Medicine providers in Lancaster 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 records 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.

All specialties in Lancaster Family Medicine across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.