NPPES file of Aug 9, 2026

Geriatric Psychiatry Physician in California

87 NPPES records list geriatric psychiatry physician with a practice address in California, 0.2 per 100,000 residents, the 21st highest rate of 48. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2084P0805X · method

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

Los Angeles has the most, 15

  1. Los Angeles15
  2. San Francisco10
  3. Palo Alto7
  4. San Diego5
  5. Sacramento4

Geriatric Psychiatry Physician records in California

  1. Jai McQuilla, MDSan Francisco, CA 941121932789708
  2. Elvis-Raymond MukwikwiPalo Alto, CA 943041013705334
  3. James Nelson, M.D.San Francisco, CA 941431457370579
  4. Robert Neshkes, MDLos Angeles, CA 900491306897053
  5. Michael Newhouse, M.D.Escondido, CA 920251932131224
  6. Bethany Newman, NPRoseville, CA 956611982583399
  7. Hoang NguyenSan Diego, CA 921611720011620
  8. Howard Nguyen, DOBaldwin Park, CA 917061558896381
  9. Esther Novak, M.D.Davis, CA 956161679682611
  10. Carolina Osorio, M.D.Redlands, CA 923731255519849
  11. Ryan Pate, MDSan Francisco, CA 941091235633116
  12. Mihaela Petersen, M.D.San Diego, CA 921611457376634
  13. Daniel Plotkin, M.D., M.P.H.Los Angeles, CA 900251942332960
  14. Jorge Porras, M.D.Coronado, CA 921181790715795
  15. Indumathi Raghavan, M.D.Thousand Oaks, CA 913601851516934
  16. Cynthia ResendezSan Francisco, CA 941091780877845
  17. Enid Rockwell, M.D.La Jolla, CA 920371386669695
  18. Samir Sabbag, M.D.Monterey, CA 939401669620654
  19. Harsukh Savalia, M.D.Cerritos, CA 907031821204900
  20. Parnika Saxena, MDStanford, CA 943051033464177
  21. Joan Scheibel, M.D.Los Angeles, CA 900731366551012
  22. Andreea Seritan, M.D.Sacramento, CA 958171669455820
  23. Roderick Shaner, M.D.Los Angeles, CA 900201669560181
  24. Javaid Sheikh, M.D.Palo Alto, CA 943041366614992
  25. Naima Siddiqui, M.D.San Jose, CA 951281811193477
  26. Chanida Siripraparat, MD, MPHSan Jose, CA 951281922028455
  27. Elzbieta Sliwa-Luce, M.D.Santa Ana, CA 927011053425512
  28. Elliott Stein, M.D.Mill Valley, CA 949411154379089
  29. David Sultzer, MDLos Angeles, CA 900731194812461
  30. David Trachtenberg, MDWalnut Creek, CA 945981023249869
  31. David Trader, M.D.Los Angeles, CA 900241093878134
  32. Amy Walston, MDLos Angeles, CA 900731326091695
  33. Miriam Winthrop Haber, MDSanta Barbara, CA 931031093291353
  34. Kristine Yaffe, M.D.San Francisco, CA 941211861598559
  35. Izzet Yazgan, M.D.Capitola, CA 950101982734109
  36. Jerome Yesavage, M.D.Palo Alto, CA 943041881862993
  37. Khaled Zaki, NPLos Altos, CA 940241457915969

Source: CMS NPPES, primary taxonomy 2084P0805X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 21 of 48 per resident

  1. New Mexico0.2
  2. Oregon0.2
  3. Florida0.2
  4. California0.2
  5. Ohio0.2
  6. Missouri0.2
  7. 50 states and D.C.0.2

Source: CMS NPPES, primary taxonomy 2084P0805X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

60.9% of these records appear in a Medicare file, against 64.0% 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. California60.9%
  2. United States64.0%

Geriatric Psychiatry Physician records in California, measured

  • In a Medicare file53 of 87 · 60.9% here, 64.0% nationally
  • In the CMS Doctors and Clinicians file31 · 35.6% here, 45.5% nationally
  • Not updated in five years or more55 · 63.2% here, 60.5% nationally
  • Median graduation year2000 · the 31 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2084P0805X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

87 NPPES records list geriatric psychiatry physician (2084P0805X) as their primary taxonomy with a practice address in California: 0.2 per 100,000 residents against 0.2 nationally (50 states and D.C.). Los Angeles has 15 of them (17%).

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. New York94
  2. Florida53
  3. Massachusetts45
  4. Pennsylvania42

States with a similar rate per 100,000

  1. Ohio0.2
  2. Oregon0.2
  3. Missouri0.2
  4. Virginia0.3

The largest states

  1. New York94
  2. Florida53
  3. Massachusetts45
  4. Pennsylvania42
  5. New Jersey36

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.