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 286 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. Anglea Persicke, MA, BCBATarzana, CA 913561558637306
  2. Ashika PeseCosta Mesa, CA 926261982290995
  3. Kimberly PestanoPleasanton, CA 945881063913440
  4. Carlos PeteSacramento, CA 958231336426956
  5. Kayla PetermanMission Viejo, CA 926911669913588
  6. Danielle Peters, BCBARancho Cucamonga, CA 917301922540533
  7. Gloria PetersOntario, CA 917611992336952
  8. Lois PetersSherman Oaks, CA 914231043631195
  9. Maya PetersDanville, CA 945061740754332
  10. Michael Peters, BCBARancho Cucamonga, CA 917301023551918
  11. Michael Peters, PHDOakland, CA 946111770802696
  12. Phillip Peters, BCBASan Diego, CA 921081740675867
  13. Sage Peters, RBTSan Diego, CA 921081386151140
  14. Kathryn Petersen, MASan Diego, CA 921211487084091
  15. Kristin PetersenIrvine, CA 926141619475076
  16. Renee PetersenLa Quinta, CA 922531992399117
  17. Aurora PetersonConcord, CA 945201275419335
  18. Hailee PetersonPinole, CA 945641922578087
  19. Hannah PetersonIrvine, CA 926181154827715
  20. Janis PetersonOakland, CA 946051255966305
  21. Kristin Peterson, BCBABerkeley, CA 947101134460520
  22. Mackenzie PetersonSan Mateo, CA 944021629633565
  23. Madeline Peterson, BCBALos Angeles, CA 900651558816736
  24. Mallory PetersonYucaipa, CA 923991447942610
  25. Matthew Peterson, RBTSanta Cruz, CA 950621851883607
  26. Naomi PetersonLong Beach, CA 908071710565593
  27. Nicole Peterson, BSManteca, CA 953361366882938
  28. Shanice PetersonOntario, CA 917641366120099
  29. Tara Peterson, BCBASan Mateo, CA 944011174927867
  30. Traqueshia Petit-FrereWoodland Hills, CA 913671083278626
  31. Michael PetitteSan Jose, CA 951281730755240
  32. Stephanie Petrenko, M.A., BCBAMontebello, CA 906401174968655
  33. Michelle Petrillo PhanNewport Beach, CA 926601033824974
  34. Frank PetropoulosSan Mateo, CA 944011942743919
  35. Elen Petrosyan, BCBAVan Nuys, CA 914061457065617
  36. Nicole PetscheWoodland Hills, CA 913671831750314
  37. Michele PettifordArleta, CA 913311194570499
  38. Yashawn PettigrewSan Mateo, CA 944011699227488
  39. Brooklyn PettyHayward, CA 945411427701010
  40. Viviana PeunVan Nuys, CA 914051043698103
  41. Bridget Peyton, BCBACulver City, CA 902301831769934
  42. Keith PezantSan Bernardino, CA 924101073875258
  43. Marjorie PezzoliCosta Mesa, CA 926261417525718
  44. Drew PfeifferIrvine, CA 926181275010258
  45. Ashley PfohlRancho Palos Verdes, CA 902751346113081
  46. Sophana PhaVan Nuys, CA 914061215318845
  47. Angela PhamSan Jose, CA 951281205608957
  48. Cynthia PhamConcord, CA 945201548730849
  49. Dat Xuan Pham, BCBAGardena, CA 902481164932968
  50. Garnet PhamLos Angeles, CA 900101932739075

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.