NPPES file of Aug 9, 2026

Behavior Analyst in California

20,348 NPPES records list behavior analyst with a practice address in California, 52 per 100,000 residents, the 5th highest rate of 51. Costa Mesa and San Diego have the most; each record links to the provider's NPI and the California license search. Page 278 of 407.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103K00000X · method

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

Costa Mesa has the most, 1,239

  1. Costa Mesa1,239
  2. San Diego1,157
  3. Sacramento597
  4. Los Angeles534
  5. Woodland Hills509

Behavior Analyst records in California

  1. Svada ParhimoonStudio City, CA 916041518393339
  2. Simren ParikhCosta Mesa, CA 926261225859762
  3. Tiffany ParisThousand Oaks, CA 913601407129059
  4. Vania Nessa ParisCosta Mesa, CA 926261447987441
  5. Andy Park, BCBASan Leandro, CA 945781558868588
  6. Candice Park, BCBAWalnut Creek, CA 945981881938520
  7. Diana Park, LMFT, BCBASan Mateo, CA 944011447638036
  8. Erica ParkRohnert Park, CA 949281174099303
  9. Eunice Park, BAThousand Oaks, CA 913601669746442
  10. Ho Eun ParkRiverside, CA 925071508633827
  11. Holly Park, BCBAGlendale, CA 912031710243456
  12. John ParkSan Diego, CA 921231073087938
  13. Joo Young ParkSan Mateo, CA 944011487104360
  14. Jung In ParkSanta Ana, CA 927051164063616
  15. Mikyung ParkIrvine, CA 926061639537210
  16. Ryan ParkSanta Clara, CA 950501073006771
  17. Uriel ParkSan Jose, CA 951261043788110
  18. Yoon Park, BCBAFullerton, CA 928321942616438
  19. Ariella Parker, PH.D.Ventura, CA 930031710276308
  20. Daniyal Parker, BCBAHacienda Heights, CA 917451962091439
  21. Deborah Parker, RBTWestminster, CA 926831750848487
  22. Emilie ParkerSan Diego, CA 921011023760204
  23. Joseph Parker, BCBAConcord, CA 945201144946344
  24. Kamilah Parker, MSWOakland, CA 946071811394943
  25. Marissa ParkerSan Bernardino, CA 924081568938397
  26. Tremayne ParkerRancho Cucamonga, CA 917301649722026
  27. Vanessa ParkerOxnard, CA 930361063097855
  28. Vanessa ParkerSan Jose, CA 951251760018907
  29. Sydney ParkhurstIrvine, CA 926141336917236
  30. Catherine ParksLos Angeles, CA 902481851025704
  31. David ParksCosta Mesa, CA 926261184593998
  32. Jessica Parks, MS, BCBAConcord, CA 945201770092991
  33. April Parnell, BCBAGilroy, CA 950201790256014
  34. Samantha Parnham, BCBAHayward, CA 945411275994873
  35. Kathrynn Parnow, BCBA, MFTIVallejo, CA 945901952767436
  36. Lacey Parodi-Cabral, BCBAConcord, CA 945201841792496
  37. Elena Parolini, MA, BCBAForestville, CA 954361588972277
  38. Marine Paronyan, MA BCBAEncino, CA 914361326473489
  39. Jessica Parr, BCBAEncino, CA 913161346668274
  40. Amy ParraSan Bruno, CA 940661851946347
  41. Breanna ParraWildomar, CA 925951902774581
  42. Cassandra ParraSan Jose, CA 951251215495098
  43. Daniel ParraCosta Mesa, CA 926261922766005
  44. David ParraSan Diego, CA 921081750259123
  45. Fernando ParraMoreno Valley, CA 925571528777612
  46. Jacob ParraFresno, CA 937201790253680
  47. Jamileth ParraTorrance, CA 905031003739798
  48. Johanna Parra, B.AAnaheim, CA 928051417266719
  49. Karely ParraEl Segundo, CA 902451205755873
  50. Sheyla ParraSan Diego, CA 921081922794064

Source: CMS NPPES, primary taxonomy 103K00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 5 of 51 per resident

  1. Massachusetts67
  2. Hawaii63
  3. Florida60
  4. California52
  5. New Mexico47
  6. Oklahoma44
  7. 50 states and D.C.32

Source: CMS NPPES, primary taxonomy 103K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

under 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. California0.0%
  2. United States0.1%

Behavior Analyst records in California, measured

  • In a Medicare file5 of 20,348 · under 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file14 · 0.1% here, 0.1% nationally
  • Not updated in five years or more10,235 · 50.3% here, 47.0% nationally
  • Median graduation year2017 · the 14 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

20,348 NPPES records list behavior analyst (103K00000X) as their primary taxonomy with a practice address in California: 52 per 100,000 residents against 32 nationally (50 states and D.C.). Costa Mesa has 1,239 of them (6%).

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. Florida13,565
  2. Texas5,837
  3. New York5,183
  4. Massachusetts4,718

States with a similar rate per 100,000

  1. New Mexico47.5
  2. Oklahoma44.0
  3. New Hampshire41.8
  4. Hawaii63.5

The largest states

  1. Florida13,565
  2. Texas5,837
  3. New York5,183
  4. Massachusetts4,718
  5. Nevada4,540

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.