NPPES file of Aug 9, 2026

Gerontology Nurse Practitioner in California

569 NPPES records list gerontology nurse practitioner with a practice address in California, 1.5 per 100,000 residents, the 48th highest rate of 51. Los Angeles and Duarte have the most; each record links to the provider's NPI and the California license search. Page 10 of 12.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363LG0600X · 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, 45

  1. Los Angeles45
  2. Duarte41
  3. San Francisco41
  4. San Diego24
  5. Torrance14

Gerontology Nurse Practitioner records in California

  1. Deborah RuhlmanChico, CA 959261083019483
  2. Nelly Ruiz, AGNPAnaheim, CA 928051457155194
  3. Jennifer Ryan, MSN, AGNPTorrance, CA 905031447806021
  4. William Saba, NPOrange, CA 928681881427243
  5. Samantha SafarUpland, CA 917861316874084
  6. Lilit Sahakyan, AGNP-CLos Angeles, CA 900381679087209
  7. Catherine Saiki, NPOakland, CA 946091902247422
  8. Ava Septe Salarda, N.P.Harbor City, CA 907101225307804
  9. Tai Samuels, NPPasadena, CA 911051477853091
  10. Wellah Marie San BuenaventuraAtwater, CA 953011548806953
  11. Jezzell Prime Sanchez, NPDuarte, CA 910101639929474
  12. Laura SanchezFremont, CA 945361942945191
  13. Anya Sander, MS, GNP-BCPalo Alto, CA 943011831484120
  14. Enriqueta SantoyoHanford, CA 932301568250736
  15. Mary Ann SayonYucca Valley, CA 922841164028080
  16. Hillary Schmalz, DNP, APRN, AGNP-CTemecula, CA 925921770286023
  17. Margot Schmidt, DNPBerkeley, CA 947101154130946
  18. Karen Schreier, GNPSan Francisco, CA 941211801145024
  19. Charles SciuttoSanta Barbara, CA 931051275936908
  20. Susan Sequeira, N.P.San Leandro, CA 945771417015355
  21. Jennifer Serafin, MSN, GNPSan Bruno, CA 940661295862142
  22. Victoria Serrano, NPTorrance, CA 905031285503615
  23. Indira Servida, AGPCNP-BCDuarte, CA 910101962911933
  24. Winnie Seto, NPNovato, CA 949451235152869
  25. Adriana Shin, NPOakland, CA 946121821371410
  26. Steven Shirley, NPDelano, CA 932151629665203
  27. Shannon Sicat, NPOrange, CA 928691225677198
  28. Jaspreet SidhuCovina, CA 917241043188162
  29. Choi Siegel, NPPasadena, CA 911051912236001
  30. Rachel Siegel, NPCerritos, CA 907031518620871
  31. Carol Simpson, DNPNewman, CA 953601447746011
  32. Fareeha Sipra, NURSE PRACTIONERLos Angeles, CA 900671487297107
  33. Ann Skradski, GNPMartinez, CA 945531285696542
  34. Tricia Smallwood, NPOakland, CA 946091245051242
  35. D. Laurie Smith-Haugen, NPFair Oaks, CA 956281710355433
  36. Gareth SongAzusa, CA 917021356805717
  37. Yanling Song, A/G NPLaguna Hills, CA 926531730517780
  38. Katie Speer, NPLos Angeles, CA 900341164823266
  39. Ann Spernoga, N.P.San Francisco, CA 941221023470911
  40. James Stalians, AGNPModesto, CA 953501720630197
  41. Patricia Starobin, R.N., M.S., GNPManhattan Beach, CA 902661366585051
  42. Robyn Stillian, NPCarmichael, CA 956081396410320
  43. Rashilda Storm, MSN, AGPCNP-BCMerced, CA 953411033520820
  44. Jodie Sugiyama, GNPSan Jose, CA 951241003213679
  45. Pamela Sullivan, GNPRancho Mirage, CA 922701336267699
  46. Namtran Ta, AGNPGarden Grove, CA 928441528564291
  47. Stefaniya Tabanlieva, N.P.San Diego, CA 921031508617630
  48. Savannah Tadin, ARNPLa Mesa, CA 919421093175994
  49. Mitra Tahvildarian, PH.D., AGNP, CFMPEncino, CA 914361730546581
  50. Sanna TamNorth Hills, CA 913431740915073

Source: CMS NPPES, primary taxonomy 363LG0600X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 48 of 51 per resident

  1. Alaska1.6
  2. Louisiana1.6
  3. West Virginia1.5
  4. California1.5
  5. Utah1.4
  6. South Dakota1.0
  7. 50 states and D.C.3.2

Source: CMS NPPES, primary taxonomy 363LG0600X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

64.1% of these records appear in a Medicare file, against 76.0% 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. California64.1%
  2. United States76.0%

Gerontology Nurse Practitioner records in California, measured

  • In a Medicare file365 of 569 · 64.1% here, 76.0% nationally
  • In the CMS Doctors and Clinicians file239 · 42.0% here, 61.0% nationally
  • Not updated in five years or more250 · 43.9% here, 37.0% nationally
  • Median graduation year2018 · the 239 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363LG0600X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

569 NPPES records list gerontology nurse practitioner (363LG0600X) as their primary taxonomy with a practice address in California: 1.5 per 100,000 residents against 3.2 nationally (50 states and D.C.). Los Angeles has 45 of them (8%).

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. Pennsylvania587
  2. New Jersey547
  3. Ohio526
  4. Michigan409

States with a similar rate per 100,000

  1. West Virginia1.5
  2. Utah1.4
  3. Louisiana1.6
  4. Alaska1.6

The largest states

  1. Florida1,043
  2. Texas954
  3. Pennsylvania587
  4. New Jersey547
  5. Ohio526

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.