Emergency Medical Services Specialists in California
Data updated monthly · Last refresh October 2026
235 Emergency Medical Services (Emergency Medicine) providers practice in California, including 6 (3%) 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.
235providers
6telehealth
Los Angelestop city
Emergency Medical Services (Emergency Medicine) by city in California
Choose a city to see providers there.
Where Emergency Medical Services Specialists in California practice
From CMS Medicare enrollment records covering 98 of the 235 providers listed here (42%). Providers who do not bill Medicare are not included in these figures.
7%solo or small practice (under 10 clinicians)
38%mid-size group (10 to 99)
55%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Emergency Medical Services Specialists | All clinicians in group | Main city |
| Permanente Medical Group Inc. | 10 | 10,928 | Stockton |
| Southern California Permanente Medical Group | 8 | 11,250 | Los Angeles |
| Cep America - California | 7 | 1,278 | Chula Vista |
| Regents of the University of California | 4 | 2,047 | San Diego |
| Emergency Specialist Physicians Medical Associates, Inc. | 4 | 41 | Torrance |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Emergency Medical Services Specialists affiliated |
| UC San Diego Health Hillcrest - Hillcrest Med Ctr | San Diego | Nonprofit | 5 of 5 | 4 |
| Providence Little Company of Mary Med Ctr Torrance | Torrance | Nonprofit | 5 of 5 | 4 |
| Sharp Coronado Hospital and Hlthcr Ctr | Coronado | For-profit | 4 of 5 | 3 |
| Hoag Memorial Hospital Presbyterian | Newport Beach | Nonprofit | 5 of 5 | 3 |
| Glendale Adventist Medical Center | Glendale | Nonprofit | 4 of 5 | 3 |
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.
Emergency Medical Services (Emergency 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. Mary Gessner-peterson, DOAlpine, CA · No drug or device payments recorded (2025) ·
(619) 326-4445 Dr. Frederick Mading, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-4200 Dr. Richard Swartzentruber, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-4202 Dr. Kent Benedict, M.D.Aptos, CA · No drug or device payments recorded (2025) ·
(831) 662-0668 Dr. Robert Taylor, MDAtascadero, CA · No drug or device payments recorded (2025) ·
(805) 468-2000 Dr. Manish Amin, DOBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2000 Dr. Michael Niedens, D.O.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2667 Dr. Paul Mroz, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 326-2000 Dr. David Tao, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 867-2548 Dr. Harold Newman, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 845-7643 Dr. Stephanie Lovell-rose, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(631) 987-9603 Dr. Ryan GobleBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 281-2703 Dr. Samuel CarneyBurlingame, CA · No drug or device payments recorded (2025) ·
(650) 235-1333 Dr. Mark HernandezCamp Pendleton, CA · $17 in drug and device payments (2025) ·
(760) 725-8882 Dr. Alan Stesin, M.D.Chico, CA · No drug or device payments recorded (2025) ·
(530) 332-7375 Dr. Skylar GarcesChula Vista, CA · No drug or device payments recorded (2025) ·
(619) 613-6144 Dr. Talal Al Quraini, M.D.Chula Vista, CA · $25 in drug and device payments (2025) · Telehealth ·
(619) 482-5825 Dr. James Osborne, M.D.Clovis, CA · No drug or device payments recorded (2025) ·
(559) 324-4040 Dr. Oghogho Uhunmwangho, NPClovis, CA · $1,102 in drug and device payments (2025) ·
(831) 208-4416 Dr. Joel Stillings, D.OColton, CA · No drug or device payments recorded (2025) ·
(909) 580-6370 Dr. Jessica Bogle, FNPCoronado, CA · No drug or device payments recorded (2025) ·
(619) 522-3722 Dr. Kevin Noonan, MDCrockett, CA · No drug or device payments recorded (2025) ·
(510) 787-1944 Dr. Nathan Gilmore, MDDana Point, CA · $7,353 in drug and device payments (2025) ·
(801) 330-9242 Dr. Ryan Shook, D.O.Downey, CA · No drug or device payments recorded (2025) ·
(800) 823-4040 Dr. Bryan MerteEl Centro, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Christian Herrera, MDEmeryville, CA · No drug or device payments recorded (2025) ·
(312) 213-9213 Dr. Noel Hastings, MDEmeryville, CA · No drug or device payments recorded (2025) ·
(916) 733-3003 Dr. Aaron Magid, RNFolsom, CA · No drug or device payments recorded (2025) ·
(916) 983-7470 Dr. Melissa Middleton, MDFontana, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Sukhmeet NijjrahFontana, CA · No drug or device payments recorded (2025) ·
(424) 666-5043 Dr. Howard Pelovitz, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 791-3430 Dr. Jerry Martin, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 608-6174 Dr. James Lindsay, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 228-5327 Dr. Jordon Collazo, EMTFresno, CA · No drug or device payments recorded (2025) ·
(559) 265-2000 Dr. Thethong Thepvong, EMTFresno, CA · No drug or device payments recorded (2025) ·
(559) 265-2045 Dr. Anson Lam, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 992-3965 Dr. Jonathan Crabb, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2222 Dr. Peter Shin, M.D.Glendale, CA · $42 in drug and device payments (2025) ·
(818) 409-8000 Dr. Robin Malone Cunnison, MDGoleta, CA · No drug or device payments recorded (2025) ·
(757) 777-6456 Dr. Joseph Ginejko, DOHanford, CA · No drug or device payments recorded (2025) ·
(559) 582-9000 Dr. Michelle Ly, D.O.Huntington Beach, CA · No drug or device payments recorded (2025) ·
(714) 843-5011 Dr. Albert Jin, MDIrvine, CA · No drug or device payments recorded (2025) ·
(949) 517-3010 Dr. Ann Ullrich, MDIrvine, CA · No drug or device payments recorded (2025) ·
(949) 753-2000 Dr. Caroline Han, MDIrvine, CA · No drug or device payments recorded (2025) ·
(949) 417-0272 Dr. Kenneth Miller, MD, PHDIrvine, CA · No drug or device payments recorded (2025) ·
(714) 573-6073 Dr. Steven Lin, MDIrvine, CA · No drug or device payments recorded (2025) ·
(949) 753-2000 Dr. Thomas Ryu, DOIrvine, CA · No drug or device payments recorded (2025) ·
(949) 753-2000 Common questions
How many Emergency Medical Services (Emergency Medicine) providers are in California?There are 235 Emergency Medical Services (Emergency Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Emergency Medical Services (Emergency Medicine) providers in California offer telehealth?Yes. 6 of the 235 Emergency Medical Services (Emergency Medicine) providers in California (about 3%) report offering telehealth services in CMS data.
Which cities in California have the most Emergency Medical Services (Emergency Medicine) providers?Los Angeles (40), Torrance (15), Petaluma (11) have the highest concentration of Emergency Medical Services (Emergency Medicine) providers in California.
How many Emergency Medical Services (Emergency Medicine) providers in California received drug or device company payments?38 of 235 Emergency Medical Services (Emergency Medicine) providers in California (16%) 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.
Do most Emergency Medical Services Specialists in California work in independent practices or large health systems?Among 98 Emergency Medical Services Specialists in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 38% through a mid-size group of 10 to 99, and 55% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Emergency Medical Services Specialists in California work at?According to CMS facility affiliation records, the California hospitals where the most Emergency Medical Services Specialists hold privileges are UC San Diego Health Hillcrest - Hillcrest Med Ctr in San Diego; Providence Little Company of Mary Med Ctr Torrance in Torrance; Sharp Coronado Hospital and Hlthcr Ctr in Coronado.
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