Sleep Medicine Doctors (Internal Medicine) in California
Data updated monthly · Last refresh October 2026
132 Sleep Medicine (Internal Medicine) providers practice in California, including 83 (63%) 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.
132providers
83telehealth
San Diegotop city
Sleep Medicine (Internal Medicine) by city in California
Choose a city to see providers there.
Sleep Medicine (Internal 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. Sirish Nakka, MDSanta Cruz, CA · $20,907 in drug and device payments (2025) · Telehealth ·
(844) 387-5337 Dr. Andrea Nguyen, MDSanta Monica, CA · $774 in drug and device payments (2025) ·
(310) 449-0939 Dr. Melisa Chang, M.D.Santa Monica, CA · No drug or device payments recorded (2025) ·
(310) 449-0939 Dr. Neal WaliaSanta Monica, CA · $340 in drug and device payments (2025) · Telehealth ·
(310) 449-0939 Dr. Sam Kashani, M.D.Santa Monica, CA · $117,027 in drug and device payments (2025) · Telehealth ·
(310) 449-0939 Dr. Troy Cisneros, MDSanta Monica, CA · $588 in drug and device payments (2025) ·
(310) 449-0939 Dr. Abhijit Deshpande, MDSanta Rosa, CA · $24 in drug and device payments (2025) · Telehealth ·
(707) 573-5261 Dr. Vu TranSanta Rosa, CA · $5,747 in drug and device payments (2025) · Telehealth ·
(707) 339-8299 Dr. Illia KovalevSherman Oaks, CA · No drug or device payments recorded (2025) ·
(818) 849-6755 Dr. Rafael Sepulveda-acosta, MDSonoma, CA · $1,235 in drug and device payments (2025) · Telehealth ·
(707) 776-6154 Dr. Anstella Robinson, MDStanford, CA · $104 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Pahnwat Taweesedt, MDStanford, CA · $126 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Tess Knudson-fitzpatrick, MDStanford, CA · $489 in drug and device payments (2025) ·
(650) 723-4000 Dr. Yoel Green, MDStanford, CA · $420 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Ajitpal Sethi, M.D.Stockton, CA · $356 in drug and device payments (2025) · Telehealth ·
(209) 957-7050 Dr. Amit Kalra, DOStockton, CA · $61 in drug and device payments (2025) · Telehealth ·
(209) 465-5731 Dr. Jagjeet Kalra, MDStockton, CA · $215 in drug and device payments (2025) · Telehealth ·
(209) 465-5731 Dr. Fan Mo, DOSunnyvale, CA · No drug or device payments recorded (2025) ·
(408) 523-3460 Dr. Mahesh Shetty, MDSunnyvale, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 730-8082 Dr. Robert Ang, MDSunnyvale, CA · No drug or device payments recorded (2025) ·
(408) 730-5858 Dr. Vadim Kagramanov, MDSunnyvale, CA · No drug or device payments recorded (2025) · Telehealth ·
(408) 523-3460 Dr. Serghei Burcovschii, MDTarzana, CA · No drug or device payments recorded (2025) · Telehealth ·
(424) 314-7780 Dr. Ronald Popper, M.D. F.C.C.P.Thousand Oaks, CA · $13,090 in drug and device payments (2025) · Telehealth ·
(805) 557-9930 Dr. Sidney Iriana, MDThousand Oaks, CA · $1,056 in drug and device payments (2025) · Telehealth ·
(805) 557-9930 Dr. Nikita JambulingamTorrance, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 378-8900 Dr. Snow Peterson, DO, MSVallejo, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 648-2200 Dr. Nathaniel Yuan, DOVentura, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 644-9121 Dr. Kayvon SarramiVisalia, CA · $185 in drug and device payments (2025) · Telehealth ·
(559) 738-7597 Dr. Harry Macdannald, M.D..Walnut Creek, CA · $947 in drug and device payments (2025) · Telehealth ·
(925) 944-0166 Dr. Oragun Rojanapairat, M.D.West Hollywood, CA · $1,608 in drug and device payments (2025) · Telehealth ·
(310) 423-1838 Dr. Rajanigandha Dhokarh, M.DWildomar, CA · $36 in drug and device payments (2025) · Telehealth ·
(800) 926-8273 Dr. Harpreet Randhawa, M.D.Yuba City, CA · $1,210 in drug and device payments (2025) · Telehealth ·
(530) 743-5428 Common questions
How many Sleep Medicine (Internal Medicine) providers are in California?There are 132 Sleep Medicine (Internal Medicine) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Sleep Medicine (Internal Medicine) providers in California offer telehealth?Yes. 83 of the 132 Sleep Medicine (Internal Medicine) providers in California (about 63%) report offering telehealth services in CMS data.
Which cities in California have the most Sleep Medicine (Internal Medicine) providers?San Diego (14), Los Angeles (10), Fresno (8) have the highest concentration of Sleep Medicine (Internal Medicine) providers in California.
How many Sleep Medicine (Internal Medicine) providers in California received drug or device company payments?91 of 132 Sleep Medicine (Internal Medicine) providers in California (69%) 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 Sleep Medicine Doctors (Internal Medicine) in California work in independent practices or large health systems?Among 106 Sleep Medicine Doctors (Internal Medicine) in California enrolled in Medicare, 36% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 56% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Sleep Medicine Doctors (Internal Medicine) in California work at?According to CMS facility affiliation records, the California hospitals where the most Sleep Medicine Doctors (Internal Medicine) hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Stanford Health Care in Stanford; Community Regional Medical Center in Fresno.
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