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Cytopathologists in California

Data updated monthly · Last refresh October 2026

76 Cytopathology providers practice in California. The largest concentration is in San Francisco. 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.

76providers
San Franciscotop city

Cytopathology by city in California

Choose a city to see providers there.

Cytopathology in San Francisco14 providers
Cytopathology in Los Angeles12 providers
Cytopathology in Modesto7 providers
Cytopathology in Torrance3 providers
Cytopathology in Oakland3 providers
Cytopathology in Duarte2 providers
Cytopathology in Van Nuys2 providers
Cytopathology in Garden Grove2 providers
Cytopathology in Loma Linda2 providers
Cytopathology in Stanford2 providers
Cytopathology in San Diego2 providers
Cytopathology in Visalia2 providers
Cytopathology in Alhambra1 providers
Cytopathology in Baldwin Park1 providers
Cytopathology in Stockton1 providers
Cytopathology in Seal Beach1 providers
Cytopathology in Colton1 providers
Cytopathology in Oceanside1 providers
Cytopathology in Inglewood1 providers
Cytopathology in Vallejo1 providers
Cytopathology in San Luis Obispo1 providers
Cytopathology in Travis Afb1 providers
Cytopathology in Culver City1 providers
Cytopathology in Glendale1 providers

Where Cytopathologists in California practice

From CMS Medicare enrollment records covering 28 of the 76 providers listed here (37%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)CytopathologistsAll clinicians in groupMain city
University of California San Francisco81,780San Francisco
Permanente Medical Group Inc.310,928Manteca
University of California Sfgh Medical Group2566San Francisco
UCLA Pathology and Laboratory Medicine Group268Los Angeles
Affiliated Pathologists Medical Group, Inc..246Rancho Dominguez

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingCytopathologists affiliated
UCSF Medical CenterSan FranciscoNonprofit4 of 58
UCSF Health St. Mary's HospitalSan FranciscoNonprofit4 of 54
Ronald Reagan UCLA Medical CenterLos AngelesGovernment4 of 52
Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta MonicaNonprofit5 of 52
Northridge Hospital Medical CenterNorthridgeNonprofit4 of 52

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.

Cytopathology 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. David Lieu, M.D.
Alhambra, CA · No drug or device payments recorded (2025) · (626) 281-7800
Dr. Natalie Mills, M.D.
Arcadia, CA · No drug or device payments recorded (2025) · (626) 445-4441
Dr. Mary Hanna, MD
Baldwin Park, CA · $37 in drug and device payments (2025) · (626) 851-5938
Dr. John Winfield, M.D.
Chico, CA · No drug or device payments recorded (2025) · (530) 891-6244
Dr. Carolyn Leach, M.D.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-0010
Dr. Inderjit Deol, MD
Culver City, CA · No drug or device payments recorded (2025) · (310) 836-7000
Dr. Sharon Wilczynski, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 359-8111
Dr. Sue Chang, MD
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. John Hiserodt, M.D.
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 902-1762
Dr. Jon Lake, MD
Garden Grove, CA · No drug or device payments recorded (2025) · (714) 741-2765
Dr. Masood Sadeghi, MD
Glendale, CA · No drug or device payments recorded (2025) · (818) 437-7022
Dr. Mien Hardy, M.D.
Inglewood, CA · No drug or device payments recorded (2025) · (310) 680-8391
Dr. Adele Hieshima, M.D.
Irvine, CA · No drug or device payments recorded (2025) · (949) 788-0760
Dr. Maher Badir, M.D.
Ladera Ranch, CA · No drug or device payments recorded (2025) · (949) 338-4908
Dr. Darryl Heustis, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-6422
Dr. Wilson Chick, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-6422
Dr. Celina Nadelman, M.D.
Los Angeles, CA · $27 in drug and device payments (2025) · (310) 702-6701
Dr. Harout Yaghsezian, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Hezla Mohamed, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 668-4445
Dr. Jeffrey Krane, MD PHD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-8199
Dr. Min Huang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. Neda Moatamed, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9288
Dr. Patricia Nathan, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 260-4184
Dr. Reda Tadros, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7148
Dr. Sharon Hirschowitz, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-8285
Dr. Teresa Kim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Tiannan Wang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-2582
Dr. William Temple, MD
Los Angeles, CA · $125 in drug and device payments (2025) · (323) 737-7372
Dr. Avtarinder Nijjar, M.D.
Modesto, CA · No drug or device payments recorded (2025) · (209) 577-1200
Dr. John Baker, MD
Modesto, CA · No drug or device payments recorded (2025) · (208) 577-1200
Dr. Marigold Ardron, MD
Modesto, CA · No drug or device payments recorded (2025) · (208) 577-1200
Dr. Michael Fitzpatrick, M.D.
Modesto, CA · No drug or device payments recorded (2025) · (209) 577-1200
Dr. Phillip Deos, MD
Modesto, CA · No drug or device payments recorded (2025) · (209) 577-1200
Dr. Robert Purvis, M.D.
Modesto, CA · No drug or device payments recorded (2025) · (209) 577-1200
Dr. Shijun Cui, MD
Modesto, CA · No drug or device payments recorded (2025) · (209) 577-1200
Dr. Abebe Teklu, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-6813
Dr. Gloria Yu, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 658-9817
Dr. Nupoor Gajjar, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 869-6567
Dr. Hermineh Aramin
Oceanside, CA · No drug or device payments recorded (2025) · (203) 739-7855
Dr. Suchetha Adiga, M.D.
Rancho Dominguez, CA · No drug or device payments recorded (2025) · (310) 225-3244
Dr. Robert Hubbard, M.D.
San Bernardino, CA · No drug or device payments recorded (2025) · (909) 806-1433
Dr. Kimberly Schlack, MD
San Diego, CA · No drug or device payments recorded (2025) · (619) 295-0964
Dr. Sepi Mahooti, M.D.
San Diego, CA · No drug or device payments recorded (2025) · (203) 506-7862
Dr. Annemieke Van Zante, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1613
Dr. Britt-marie Ljung, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-7043
Dr. Carlo De La Sancha Verduzco
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-6068
Dr. Daniel Qazi, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1613
Dr. Douglas Hanks, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-6068
Dr. Gioia Iezza, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 885-7301
Dr. Joseph Rabban, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 502-8230

Common questions

How many Cytopathology providers are in California?

There are 76 Cytopathology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Which cities in California have the most Cytopathology providers?

San Francisco (14), Los Angeles (12), Modesto (7) have the highest concentration of Cytopathology providers in California.

How many Cytopathology providers in California received drug or device company payments?

7 of 76 Cytopathology providers in California (9%) 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 Cytopathologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Cytopathologists hold privileges are UCSF Medical Center in San Francisco; UCSF Health St. Mary's Hospital in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.

Cytopathology in all 50 states Search all 76 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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. Are you a Cytopathology in California? Get featured.