NPPES file of Aug 9, 2026

Doctors and health care providers in Whittier, CA

2,836 individual NPPES records list a practice address in Whittier, 80th of 812 California cities. The largest group is behavior technician: 272, 10% of the city's records, against 18% across California. Page 7 of 57.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Whittier

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Whittier in California

  • Rank in California80th of 812 cities by records
  • Share of the state0.3% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups19.8% of all records

Compared with California as a whole, Whittier has 19.1× the state's share of speech-language assistant records and 0.50× its share of mental health counselor records.

Providers in Whittier, alphabetically

  1. Matthew Caplis, PHARM.D.Pharmacist1619416146
  2. Gina CaquezPhysical Therapist1083810683
  3. Jennifer Carbajal, N.P.Family Nurse Practitioner1992070221
  4. Yvonne CarbajalStudent in an Organized Health Care Education/Training Program1457181380
  5. Jessica Carballo, SLPASpeech-Language Assistant1467270280
  6. Desiree Cardenas, SLPASpeech-Language Assistant1558117374
  7. Manuel CardenasBehavior Technician1962079137
  8. Vanessa CardenasSpeech-Language Assistant1558841072
  9. Debbie Cardona, OTROccupational Therapist1205504719
  10. Federico CarmonaProfessional Counselor1881353860
  11. Karla CarnallaAssistant Behavior Analyst1871295832
  12. Kristen CarrOccupational Therapy Assistant1609438555
  13. Alma Carrasquillo, M.D.Child & Adolescent Psychiatry Physician1982733747
  14. Elaine Carreon, MA, OTDOccupational Therapist1700156692
  15. Stephanie CarreonBehavior Technician1730771262
  16. Crystal CarreraBehavior Technician1376150177
  17. Andrew CarrilloBehavior Technician1467166587
  18. Craig CarrilloBehavior Technician1497406359
  19. Fernando CarrilloBehavior Technician1043845126
  20. Adisa Cartwright Rosemond, FNP-BCFamily Nurse Practitioner1760289607
  21. Ayla CarveySpeech-Language Pathologist1477260685
  22. Monica Casabella, SLPSpeech-Language Pathologist1881938587
  23. Cynthia Casebere, LCSWClinical Social Worker1487987442
  24. Stephanie CaseyBehavior Analyst1457084709
  25. Gloria CasianRehabilitation Practitioner1750738027
  26. Soledad CasillasDoula1013877455
  27. Vanessa CasillasCase Manager/Care Coordinator1083368872
  28. Hayley CasserlySpeech-Language Pathologist1912787227
  29. Anahi CastanedaAssistant Behavior Analyst1831074582
  30. Kimberly CastanedaSpeech-Language Pathologist1932508876
  31. Kristine Castaneda, NPFamily Nurse Practitioner1245721323
  32. Maritza CastanedaBehavior Analyst1871185355
  33. Karen Castaneda-Campos, MSWClinical Social Worker1447729330
  34. Alfredo Castellanos, M.D.Critical Care Medicine (Internal Medicine) Physician1700088770
  35. Margarita Castellanos, OTA/LOccupational Therapy Assistant1861181505
  36. Desiree CastilloBehavior Technician1639712086
  37. Isabel CastilloStudent in an Organized Health Care Education/Training Program1063846848
  38. Jacquelyn CastilloMarriage & Family Therapist1952812554
  39. Kelly CastilloOccupational Therapist1770227241
  40. Leonardo Castillo, SLPASpeech-Language Assistant1255609673
  41. Montserrat CastilloMarriage & Family Therapist1922584234
  42. Rosemarie CastilloSpeech-Language Assistant1538539358
  43. Mariana Castillo VindiolaBehavior Technician1497540876
  44. Destine CastorenaSocial Worker1700755915
  45. Jaleesa CastrellonMarriage & Family Therapist1144879388
  46. Samantha CastroAssistant Behavior Analyst1508756206
  47. Sarai CastroAddiction (Substance Use Disorder) Counselor1306119581
  48. Stephanie CastroBehavior Technician1821871583
  49. Evelyn Castro-Guillen, LCSWClinical Social Worker1780807958
  50. Katherine CatapangPediatric Occupational Therapist1790154888

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Whittier, California appears in the CMS National Plan and Provider Enumeration System with 2,836 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Whittier - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Whittier practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Whittier is weighted toward Behavior Technician (272 clinicians, followed by Clinical Social Worker with 149 and Speech-Language Assistant with 141). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, Whittier reports roughly 7.3 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of California's most common specialties, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Whittier practice address, a coverage gap Whittier patients typically fill by traveling to a larger nearby hub.

For Whittier patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Whittier, CA?

There are 2,836 registered healthcare providers in Whittier, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Whittier?

The most common specialties in Whittier are Behavior Technician, Clinical Social Worker, Speech-Language Assistant, Marriage & Family Therapist, Pharmacist. Behavior Technician has the most providers with 272.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.