Pulmonologists in California
Data updated monthly · Last refresh October 2026
1,449 Pulmonary Disease providers practice in California, including 569 (39%) 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.
1,449providers
569telehealth
Los Angelestop city
Pulmonary Disease by city in California
Choose a city to see providers there.
Pulmonary Disease 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. Richard Casaburi, M.D.Torrance, CA · $163 in drug and device payments (2025) ·
(310) 222-5101 Dr. Richard Effros, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 222-5015 Dr. Richard Huynh, M.D.Torrance, CA · $1,003 in drug and device payments (2025) · Telehealth ·
(310) 517-8950 Dr. Robert Chang, MDTorrance, CA · No drug or device payments recorded (2025) ·
(310) 378-8900 Dr. Vishaal Sridhar, MDTorrance, CA · $6,238 in drug and device payments (2025) · Telehealth ·
(310) 214-0811 Dr. William Stringer, M.D.Torrance, CA · $3,406 in drug and device payments (2025) ·
(424) 571-7626 Dr. Shyamsunder Subramanian, MDTracy, CA · $301,306 in drug and device payments (2025) · Telehealth ·
(209) 830-1500 Dr. Cherie Renaud, MDTravis Afb, CA · $52 in drug and device payments (2025) ·
(707) 423-2300 Dr. David Carlson, MDTravis Afb, CA · No drug or device payments recorded (2025) ·
(707) 423-2300 Dr. Rocky Fox, DOTravis Afb, CA · $38 in drug and device payments (2025) ·
(707) 423-2300 Dr. Jatinder Chopra, M.D.Tulare, CA · $2,175 in drug and device payments (2025) ·
(559) 686-4766 Dr. Guy Randazzo, M.D.Tustin, CA · No drug or device payments recorded (2025) ·
(714) 573-8200 Dr. Imran Sharief, MDTustin, CA · No drug or device payments recorded (2025) ·
(248) 819-2634 Dr. Ronald Batin, M.D.Ukiah, CA · $1,259 in drug and device payments (2025) ·
(707) 467-3189 Dr. Frankie Utzurrum, M.D.Upland, CA · No drug or device payments recorded (2025) ·
(909) 946-6342 Dr. Nicolaas Grobler, MDUpland, CA · $2,628 in drug and device payments (2025) · Telehealth ·
(909) 591-6575 Dr. Christina DoloresVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-2700 Dr. Andrew Karlin, MDValencia, CA · No drug or device payments recorded (2025) ·
(661) 424-8820 Dr. Anna Fretz, MDValencia, CA · $27 in drug and device payments (2025) ·
(661) 753-5464 Dr. Catalin Nicola, M.D., PH.D.Valencia, CA · $4,567 in drug and device payments (2025) ·
(661) 430-9030 Dr. Jennifer Genova, MDValencia, CA · $159 in drug and device payments (2025) ·
(661) 200-1122 Dr. Mostafa Tabassomi, MDValencia, CA · $7,087 in drug and device payments (2025) · Telehealth ·
(661) 430-9030 Dr. Roxana Hixson, MDValencia, CA · $283 in drug and device payments (2025) · Telehealth ·
(661) 753-5464 Dr. Wisam Naji, MDValencia, CA · $391 in drug and device payments (2025) · Telehealth ·
(661) 481-2400 Dr. George Minowada, MDVallejo, CA · No drug or device payments recorded (2025) ·
(707) 651-1000 Dr. Michael Luu, D.O.Vallejo, CA · $4,180 in drug and device payments (2025) ·
(707) 643-0400 Dr. Amir Arfaei, MDVentura, CA · $357 in drug and device payments (2025) · Telehealth ·
(805) 653-6371 Dr. Gordon Pelegrin, MDVentura, CA · $552 in drug and device payments (2025) · Telehealth ·
(805) 653-6371 Dr. Jerome De Vera, DOVentura, CA · $208 in drug and device payments (2025) · Telehealth ·
(805) 653-6371 Dr. Jonathan Lamee, MDVentura, CA · $467 in drug and device payments (2025) · Telehealth ·
(805) 653-6371 Dr. Madison Sweet, MDVentura, CA · $328 in drug and device payments (2025) · Telehealth ·
(805) 653-6371 Dr. Thomas Brugman, M.D.Ventura, CA · $205 in drug and device payments (2025) ·
(805) 653-6371 Dr. Shahab Momtazi, MDVisalia, CA · No drug or device payments recorded (2025) ·
(559) 732-0762 Dr. Amish Shah, M.D.Walnut Creek, CA · $2,275 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Anne Grzegorczyk, M.D.Walnut Creek, CA · $544 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Elvio Ardilles, MDWalnut Creek, CA · $367 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Frederick Nachtwey, M.D.Walnut Creek, CA · $106 in drug and device payments (2025) ·
(925) 944-0166 Dr. George Juan, M.D.Walnut Creek, CA · $1,044 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Jamal Zaka, M. D.Walnut Creek, CA · $151 in drug and device payments (2025) ·
(925) 944-0166 Dr. Jigar Patel, M.D., M.P.H.Walnut Creek, CA · $25 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Ka Ling (karin) Cheung, M.D.Walnut Creek, CA · $3,061 in drug and device payments (2025) · Telehealth ·
(925) 944-0166 Dr. Manjari Nathan, M.D.Walnut Creek, CA · $2,607 in drug and device payments (2025) · Telehealth ·
(925) 944-0166 Dr. Mark Slootsky, M.D.Walnut Creek, CA · $643 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Matthew LyonsWalnut Creek, CA · $150 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Ming-tyh Maa, M.D.Walnut Creek, CA · $3,219 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Nick Pakzad, M.D.Walnut Creek, CA · $54 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Dr. Vala Berjis, M.D.Walnut Creek, CA · $179 in drug and device payments (2025) · Telehealth ·
(925) 939-3050 Conditions Pulmonary Disease providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Pulmonary Disease providers. Individual practices vary, so confirm with the provider before booking.
- Asthma
- COPD
- Sleep apnea
- Pulmonary fibrosis
- Chronic cough
Common questions
How many Pulmonary Disease providers are in California?There are 1,449 Pulmonary Disease providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Pulmonary Disease providers in California offer telehealth?Yes. 569 of the 1,449 Pulmonary Disease providers in California (about 39%) report offering telehealth services in CMS data.
Which cities in California have the most Pulmonary Disease providers?Los Angeles (153), San Diego (100), San Francisco (96) have the highest concentration of Pulmonary Disease providers in California.
How many Pulmonary Disease providers in California received drug or device company payments?812 of 1,449 Pulmonary Disease providers in California (56%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Pulmonary Disease providers in California treat?Pulmonary Disease providers commonly treat asthma, COPD, sleep apnea, pulmonary fibrosis, chronic cough 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 Pulmonologists in California work in independent practices or large health systems?Among 1,035 Pulmonologists in California enrolled in Medicare, 20% bill through a solo or small practice with fewer than 10 clinicians, 15% through a mid-size group of 10 to 99, and 65% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pulmonologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Pulmonologists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica; Stanford Health Care in Stanford.
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