NPPES file of Aug 9, 2026

Case Manager/Care Coordinator in California

22,803 NPPES records list case manager/care coordinator with a practice address in California, 59 per 100,000 residents, the 16th highest rate of 51. Los Angeles and Sacramento have the most; each record links to the provider's NPI and the California license search. Page 384 of 457.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 171M00000X · 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, 2,545

  1. Los Angeles2,545
  2. Sacramento1,380
  3. San Diego1,173
  4. Bakersfield906
  5. San Jose864

Case Manager/Care Coordinator records in California

  1. Jessica SinetosDiamond Springs, CA 956191851013072
  2. Stacey SingLos Angeles, CA 900101306439195
  3. Gena Singer, MHRSSan Diego, CA 921231003916909
  4. Jason Singer, CADTP SUDRCEl Dorado Hills, CA 957621881438745
  5. Zachary SingerSan Diego, CA 921081235302928
  6. Arjun SinghSan Leandro, CA 945781194219600
  7. Donna SinghNapa, CA 945581316607203
  8. Harjap SinghSacramento, CA 958221669005112
  9. Jessica SinghGilroy, CA 950201669073185
  10. Justin SinghModesto, CA 953511447013370
  11. Karen SinghMerced, CA 953401851240428
  12. Larry SinghIndio, CA 922011013233188
  13. Manbir SinghManteca, CA 953371366978355
  14. Navneet SinghSacramento, CA 958231831582428
  15. Pooja SinghGilroy, CA 950201952279192
  16. Rajneel SinghModesto, CA 953581174942270
  17. Shinal SinghGilroy, CA 950201629597596
  18. Shirley SinghBakersfield, CA 933131174161418
  19. Tej SinghBakersfield, CA 933071508300864
  20. Patricia SingimLong Beach, CA 908071891141412
  21. Gionny Singleton, BALos Angeles, CA 900431003659004
  22. Jennifer SingletonLos Angeles, CA 900111780808402
  23. Lynette Singleton, CADACIIAzusa, CA 917021063159051
  24. Rashida SingletonLos Angeles, CA 900161770785107
  25. Joan SingsonStockton, CA 952191992482475
  26. April SinkfieldYucca Valley, CA 922841871772624
  27. Irina SinkoSacramento, CA 958251811124027
  28. Jorge SinohuiSan Diego, CA 921101730465667
  29. Elaine SioRiverside, CA 925071033832621
  30. Sayuri SionSacramento, CA 958211609994318
  31. Wendy SiongSacramento, CA 958341235499146
  32. Fernando SiordiaLos Angeles, CA 900031861097024
  33. Eduardo SiqueirosSan Francisco, CA 941031821983537
  34. Kamilah SiqueirosCompton, CA 902201235303033
  35. Desiree SircaEureka, CA 955011477084887
  36. Natasha SirugoSacramento, CA 958251922239615
  37. Brady SiskSan Diego, CA 921101982260600
  38. Andrie SismondoConcord, CA 945201154574671
  39. Faleshia SisnerosPasadena, CA 911051407318330
  40. John Sisneroz, M.S.French Camp, CA 952311710279781
  41. Martin SisnerozStockton, CA 952021093517500
  42. Gloria SistosTarzana, CA 913561720354756
  43. Jennifer SiswandiSan Francisco, CA 941051629627906
  44. Sourignanh SithavoneSan Diego, CA 921051417176314
  45. Jamie SitkaRedding, CA 960011558951400
  46. Tony SivLong Beach, CA 908021982001723
  47. Liliana SivitosLong Beach, CA 908051912666991
  48. Angel SivoriUkiah, CA 954821689541401
  49. Ann SizerMenifee, CA 925841629835657
  50. Erika SkatesSacramento, CA 958111578840013

Source: CMS NPPES, primary taxonomy 171M00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 16 of 51 per resident

  1. New Hampshire87
  2. Vermont77
  3. Kentucky59
  4. California59
  5. Tennessee48
  6. Michigan45
  7. 50 states and D.C.48

Source: CMS NPPES, primary taxonomy 171M00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against 0.1% 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. California0.1%
  2. United States0.1%

Case Manager/Care Coordinator records in California, measured

  • In a Medicare file18 of 22,803 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file21 · 0.1% here, 0.1% nationally
  • Not updated in five years or more15,371 · 67.4% here, 53.9% nationally
  • Median graduation year2014 · the 21 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 171M00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

22,803 NPPES records list case manager/care coordinator (171M00000X) as their primary taxonomy with a practice address in California: 59 per 100,000 residents against 48 nationally (50 states and D.C.). Los Angeles has 2,545 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. Arkansas11,186
  2. Ohio35,022
  3. Louisiana10,221
  4. Oklahoma8,823

States with a similar rate per 100,000

  1. Kentucky59.1
  2. Tennessee48.4
  3. Michigan45.4
  4. New York41.9

The largest states

  1. Ohio35,022
  2. Arkansas11,186
  3. Louisiana10,221
  4. Oklahoma8,823
  5. New York8,208

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.