NPPES file of Aug 9, 2026

Sleep Medicine (Internal Medicine) Physician in California

129 NPPES records list sleep medicine (internal medicine) physician with a practice address in California, 0.3 per 100,000 residents, the 29th highest rate of 48. San Diego and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 3 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RS0012X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 14

  1. San Diego14
  2. Los Angeles10
  3. Fresno8
  4. Novato4
  5. Sacramento4

Sleep Medicine (Internal Medicine) Physician records in California

  1. Oragun Rojanapairat, M.D.West Hollywood, CA 900481669715256
  2. Avantika RudrarajuModesto, CA 953501952742751
  3. Steven RussoMartinez, CA 945531932659059
  4. Ahana Sandhu, M.D.Bakersfield, CA 933121174978068
  5. Kayvon SarramiVisalia, CA 932911467942433
  6. George Schiffman, M.D.Mission Viejo, CA 926911104803188
  7. Christopher Schmickl, M.D., M.P.H.San Diego, CA 921031720498496
  8. Rafael Sepulveda-Acosta, MDSonoma, CA 954761558611459
  9. Ajitpal Sethi, M.D.Stockton, CA 952091235322603
  10. Payam Shadi, M.D.Los Angeles, CA 900351780615724
  11. Renata Shafor, M.D.San Diego, CA 921211952441396
  12. Mahesh Shetty, MDSunnyvale, CA 940851295954121
  13. Lisa Shives, M.D.San Diego, CA 921031740322825
  14. Connie Singh, MDPleasanton, CA 945881427212653
  15. Deepti Sinha, M.D., FRACPBurlingame, CA 940101124213178
  16. Sheryll Mae Soriano, MDFresno, CA 937101225290307
  17. Bernie Sunwoo, MDSan Diego, CA 921211336294107
  18. Bruce Tammelin, M.D.Newport Beach, CA 926631942288709
  19. Pahnwat Taweesedt, MDStanford, CA 943051093255432
  20. Diana Tehrani, M.D.San Diego, CA 921611689084139
  21. Puja Thakkar, D.O.Danville, CA 945261558665562
  22. Jenny Tran, DONovato, CA 949451750917753
  23. Ngocthuy Tran, M.D.Los Angeles, CA 900331407058464
  24. Vu TranSanta Rosa, CA 954051528021490
  25. Poulomee Tripathi, MDSanta Cruz, CA 950651255071049
  26. Neal WaliaSanta Monica, CA 904041073073037
  27. Earl Young, M.D.Pasadena, CA 911061639151830
  28. Nathaniel Yuan, DOVentura, CA 930031659875201
  29. Kin Yuen, MDMountain View, CA 940401881759660

Source: CMS NPPES, primary taxonomy 207RS0012X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 29 of 48 per resident

  1. Colorado0.4
  2. Illinois0.3
  3. Alabama0.3
  4. California0.3
  5. Oklahoma0.3
  6. New York0.3
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207RS0012X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

94.6% of these records appear in a Medicare file, against 84.4% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California94.6%
  2. United States84.4%

Sleep Medicine (Internal Medicine) Physician records in California, measured

  • In a Medicare file122 of 129 · 94.6% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file106 · 82.2% here, 70.6% nationally
  • Not updated in five years or more45 · 34.9% here, 43.7% nationally
  • Median graduation year2006 · the 106 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RS0012X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

129 NPPES records list sleep medicine (internal medicine) physician (207RS0012X) as their primary taxonomy with a practice address in California: 0.3 per 100,000 residents against 0.3 nationally (50 states and D.C.). San Diego has 14 of them (11%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Pennsylvania58
  2. New York57
  3. Texas56
  4. Ohio53

States with a similar rate per 100,000

  1. Alabama0.3
  2. Oklahoma0.3
  3. Illinois0.3
  4. Colorado0.4

The largest states

  1. Pennsylvania58
  2. New York57
  3. Texas56
  4. Ohio53
  5. Michigan52

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.