Dermatologists in California
Data updated monthly · Last refresh October 2026
2,092 Dermatology providers practice in California, including 320 (15%) offering telehealth. The largest concentration is in San Diego. 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.
2,092providers
320telehealth
San Diegotop city
Dermatology by city in California
Choose a city to see providers there.
Dermatology 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. Jessica Hsu, M.D.Orange, CA · $1,206 in drug and device payments (2025) ·
(714) 538-8556 Dr. Karol Dangaran, M.D.Orange, CA · $2,221 in drug and device payments (2025) ·
(714) 538-8556 Dr. Khasha Touloei, DOOrange, CA · $7,380 in drug and device payments (2025) ·
(714) 538-8556 Dr. Ladan Straker, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Mary Jung, M.D.Orange, CA · $1,987 in drug and device payments (2025) ·
(714) 538-8556 Dr. Nilanthi Gunawardane, M.D.Orange, CA · $1,587 in drug and device payments (2025) ·
(714) 628-3230 Dr. Rachel GilmoreOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-5532 Dr. Shilpa GhatnekarOrange, CA · No drug or device payments recorded (2025) ·
(714) 456-7070 Dr. Steven Stanowicz, M.D. Dr. Tanya Nino, M.DOrange, CA · $1,967 in drug and device payments (2025) · Telehealth ·
(714) 633-1011 Dr. Xiying Fan, MD, PHDOrange, CA · $150 in drug and device payments (2025) · Telehealth ·
(714) 456-8888 Dr. Arthur Mayo, M.D.Orinda, CA · No drug or device payments recorded (2025) ·
(925) 254-8066 Dr. Norman Price, MDOrinda, CA · No drug or device payments recorded (2025) ·
(925) 963-6399 Dr. Andrew Cattano, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 983-0343 Dr. Grace Sun, M.D.Oxnard, CA · $1,905 in drug and device payments (2025) ·
(805) 983-0343 Dr. Joel Siegel, M.D.Oxnard, CA · No drug or device payments recorded (2025) ·
(805) 985-5505 Dr. Victoria Chiu, M.D.Oxnard, CA · $1,550 in drug and device payments (2025) ·
(805) 983-0343 Dr. Alan Bookin, MDPacific Palisades, CA · No drug or device payments recorded (2025) ·
(310) 454-0457 Dr. Ileana Zapatero, MDPacific Palisades, CA · No drug or device payments recorded (2025) ·
(310) 454-5555 Dr. Nasreen Babu-khan, M.D.Pacific Palisades, CA · No drug or device payments recorded (2025) ·
(310) 454-5915 Dr. Changhyun Kim, M.D.Palm Desert, CA · $18 in drug and device payments (2025) ·
(760) 568-9300 Dr. Howard Miller, M.D.Palm Desert, CA · No drug or device payments recorded (2025) ·
(760) 346-4003 Dr. Maryam Sickinger, D.O.Palm Desert, CA · $914 in drug and device payments (2025) ·
(760) 568-9300 Dr. Michael Messina, MDPalm Desert, CA · $353 in drug and device payments (2025) ·
(760) 773-6616 Dr. Robert Lesnik, M.D.Palm Desert, CA · No drug or device payments recorded (2025) ·
(760) 341-8244 Dr. Jamie Devito, MDPalm Springs, CA · No drug or device payments recorded (2025) ·
(760) 773-4280 Dr. Allison Lloyd-mclennan, MDPalo Alto, CA · $190 in drug and device payments (2025) ·
(650) 497-8000 Dr. Amy Adams, M.D.Palo Alto, CA · $337 in drug and device payments (2025) ·
(650) 321-4121 Dr. Anne Miller, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 321-4121 Dr. Christine Jacobson, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-9913 Dr. Daniel Navi, M.D.Palo Alto, CA · $3,150 in drug and device payments (2025) ·
(650) 736-2300 Dr. David Deneau, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 321-4121 Dr. Diana Chen, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 493-5000 Dr. Eric Smith, M.D.Palo Alto, CA · $123 in drug and device payments (2025) ·
(650) 325-6000 Dr. Faranak Kamangar, M.D.Palo Alto, CA · $693 in drug and device payments (2025) ·
(650) 702-2686 Dr. Gordon Herron, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 321-4121 Dr. Greg Morganroth, M.D.Palo Alto, CA · $1,346 in drug and device payments (2025) ·
(650) 969-5600 Dr. Jinwoo Lee, MDPalo Alto, CA · $242 in drug and device payments (2025) · Telehealth ·
(408) 885-5110 Dr. John Doux, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(510) 686-3894 Dr. Jubin Ryu, M.D.Palo Alto, CA · $87 in drug and device payments (2025) · Telehealth ·
(650) 853-2982 Dr. Julie Letsinger, MDPalo Alto, CA · $705 in drug and device payments (2025) ·
(650) 853-2982 Dr. Karen Han, MDPalo Alto, CA · $390 in drug and device payments (2025) ·
(650) 853-5302 Dr. Katherine Ransohoff, M.D.Palo Alto, CA · $909 in drug and device payments (2025) · Telehealth ·
(650) 853-2982 Conditions Dermatology providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Dermatology providers. Individual practices vary, so confirm with the provider before booking.
- Acne
- Eczema
- Psoriasis
- Skin cancer
- Rosacea
- Melanoma screening
Common questions
How many Dermatology providers are in California?There are 2,092 Dermatology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Dermatology providers in California offer telehealth?Yes. 320 of the 2,092 Dermatology providers in California (about 15%) report offering telehealth services in CMS data.
Which cities in California have the most Dermatology providers?San Diego (152), Los Angeles (142), San Francisco (136) have the highest concentration of Dermatology providers in California.
How many Dermatology providers in California received drug or device company payments?1,305 of 2,092 Dermatology providers in California (62%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Dermatology providers in California treat?Dermatology providers commonly treat acne, eczema, psoriasis, skin cancer, rosacea 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 Dermatologists in California work in independent practices or large health systems?Among 1,421 Dermatologists in California enrolled in Medicare, 37% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 51% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Dermatologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Dermatologists hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; UC San Diego Health Hillcrest - Hillcrest Med Ctr in San Diego.
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