Clinical Genetics Specialists in California
Data updated monthly · Last refresh October 2026
149 Clinical Genetics (M.D.) providers practice in California, including 35 (23%) 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.
149providers
35telehealth
Los Angelestop city
Clinical Genetics (M.D.) by city in California
Choose a city to see providers there.
Where Clinical Genetics Specialists in California practice
From CMS Medicare enrollment records covering 56 of the 149 providers listed here (38%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Clinical Genetics Specialists | All clinicians in group | Main city |
| University of California San Francisco | 7 | 1,780 | San Francisco |
| UC Regents | 7 | 97 | Los Angeles |
| City of Hope Medical Foundation | 5 | 964 | Duarte |
| Lpch Medical Group Div of Lucile | 5 | 332 | Palo Alto |
| Regents of the Univ of Ca | 4 | 1,571 | Sacramento |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Clinical Genetics Specialists affiliated |
| UCSF Medical Center | San Francisco | Nonprofit | 4 of 5 | 6 |
| University of California Davis Medical Center | Sacramento | Government | 4 of 5 | 4 |
| Uci Health-Orange | Orange | Government | 4 of 5 | 3 |
| Ronald Reagan UCLA Medical Center | Los Angeles | Government | 4 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Clinical Genetics (M.D.) 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. Diane Broome, MDAnaheim, CA · $228 in drug and device payments (2025) ·
(888) 988-2800 Dr. Trevor Hoffman, M.D., PH.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 254-2704 Dr. Benson Lee, D.O.Bakersfield, CA · $86 in drug and device payments (2025) · Telehealth ·
(661) 326-2000 Dr. Rosetta Willis Hassan, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Ora Gordon, M.D.Burbank, CA · No drug or device payments recorded (2025) · Telehealth ·
(818) 748-4748 Dr. Eric Dec, MDDana Point, CA · No drug or device payments recorded (2025) ·
(949) 632-2704 Dr. Joanne Jeter, M.D.Duarte, CA · $43 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Kevin Mcdonnell, M.D.Duarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 256-4673 Dr. Stacy Gray, M.D.Duarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 256-4673 Dr. Stephen Gruber, M.D.Duarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 256-4673 Dr. Wai Park, D.O.Duarte, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 256-4673 Dr. Alan Lu, MDFresno, CA · No drug or device payments recorded (2025) ·
(559) 459-2269 Dr. Cynthia CurryFresno, CA · No drug or device payments recorded (2025) · Telehealth ·
(559) 459-4543 Dr. John Mann, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 324-5586 Dr. Suzanne Cassidy, MDFresno, CA · No drug or device payments recorded (2025) ·
(559) 227-4472 Dr. Grace Noh, MDIrvine, CA · No drug or device payments recorded (2025) · Telehealth ·
(949) 670-4547 Dr. Thomas Slavin, M.D.La Crescenta, CA · No drug or device payments recorded (2025) ·
(626) 256-8662 Dr. Lynn Mclean, M.D.Loma Linda, CA · No drug or device payments recorded (2025) ·
(909) 558-4771 Dr. Ari Weinreb, M.D./PH.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 268-3633 Dr. Barbara Crandall, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-0109 Dr. Bianca Russell, M.D.Los Angeles, CA · $439 in drug and device payments (2025) · Telehealth ·
(310) 206-6581 Dr. Brandon Colby, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(424) 245-5878 Dr. Bridget Fernandez, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-8660 Dr. Catherine Karimov, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(888) 631-2452 Dr. Daniela Schweitzer, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-6581 Dr. Daniella Kamara, LCGCLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-7274 Dr. Derek Wong, M.D.Los Angeles, CA · $478 in drug and device payments (2025) ·
(310) 206-6581 Dr. Eric Crombez, M.D.Los Angeles, CA · $14,375 in drug and device payments (2025) ·
(310) 206-3952 Dr. Eyal Reinstein, MD., PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-9904 Dr. George Tiller, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. John Graham, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-9909 Dr. Jose Morales Corado, MDLos Angeles, CA · $269 in drug and device payments (2025) · Telehealth ·
(310) 206-6581 Dr. Julian Martinez, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 206-6581 Dr. Katharina Schmolly, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-6581 Dr. Linda Randolph, MDLos Angeles, CA · $38 in drug and device payments (2025) ·
(323) 669-2178 Dr. Maren Scheuner, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 423-6451 Dr. Matthew Deardorff, MD, PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(877) 543-9522 Dr. Moin Vera, M.D., PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 660-2450 Dr. Nancy Shinno, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Nicola Longo, MDLos Angeles, CA · $48,868 in drug and device payments (2025) · Telehealth ·
(310) 301-8732 Dr. Pedro Sanchez, M.D.Los Angeles, CA · $25,228 in drug and device payments (2025) ·
(310) 423-5693 Dr. Richard Boles, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-2178 Dr. Sridevi Abboy, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Stephen Cederbaum, M.D.Los Angeles, CA · $818 in drug and device payments (2025) ·
(310) 206-3952 Dr. Valairat Dhamcharee, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 669-5932 Dr. Carolina Galarreta Aima, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-6400 Dr. Maries Joseph, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-6400 Dr. Sabrina ChengMill Valley, CA · No drug or device payments recorded (2025) ·
(415) 888-8773 Dr. Dwight Cordero, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 527-5555 Common questions
How many Clinical Genetics (M.D.) providers are in California?There are 149 Clinical Genetics (M.D.) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Clinical Genetics (M.D.) providers in California offer telehealth?Yes. 35 of the 149 Clinical Genetics (M.D.) providers in California (about 23%) report offering telehealth services in CMS data.
Which cities in California have the most Clinical Genetics (M.D.) providers?Los Angeles (27), San Francisco (18), Orange (13) have the highest concentration of Clinical Genetics (M.D.) providers in California.
How many Clinical Genetics (M.D.) providers in California received drug or device company payments?36 of 149 Clinical Genetics (M.D.) providers in California (24%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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.
Which hospitals do Clinical Genetics Specialists in California work at?According to CMS facility affiliation records, the California hospitals where the most Clinical Genetics Specialists hold privileges are UCSF Medical Center in San Francisco; University of California Davis Medical Center in Sacramento; Uci Health-Orange in Orange.
Related reading on HealthcareDiscovery.AI
Clinical Genetics (M.D.) in all 50 states Search all 149 in the directory Ask Zach for help choosing
Related
