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 55 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. Karlie WanmerSpeech-Language Assistant1306639653
  2. David Warner, D.D.S.Periodontics1740463769
  3. Devon WashingtonBehavior Technician1710866736
  4. Kristen Watanabe, DDSGeneral Practice Dentistry1902245152
  5. Rianna WattsOccupational Therapy Assistant1043002140
  6. Sandy WayClinical Social Worker1275328114
  7. Halie WeaverAddiction (Substance Use Disorder) Counselor1588293476
  8. Kandice WeaverAddiction (Substance Use Disorder) Counselor1972145522
  9. Alexander Weber, DCChiropractor1063213775
  10. Sandra Wehbe, PHARMDPharmacist1912748096
  11. Beihua WeiInpatient Obstetric Registered Nurse1063360972
  12. Derrick Wei, PHARMDPharmacist1003619115
  13. Unique WeiRegistered Dietitian1740982545
  14. Anita Weimann, OT/LOccupational Therapist1720331291
  15. Michael Weinfeld, MD, MSAnesthesiology Physician1396242129
  16. Alison Weis, MS, RDRegistered Dietitian1053846949
  17. Casey Weiss, DPTPhysical Therapist1467041657
  18. David Weitzel, PAPhysician Assistant1609810464
  19. Jana Wells, M.D.Pediatric Adolescent Medicine Physician1710105341
  20. Sean Welsh, M.D.General Practice Physician1619232493
  21. William Welsh, D.O.Geriatric Medicine (Internal Medicine) Physician1568401255
  22. Sotto Lin Weng, L ACAcupuncturist1932595055
  23. David West, O.D.Optometrist1073619896
  24. Brandon WestbaySpeech-Language Pathologist1861922494
  25. Rachel WhiteisAddiction (Substance Use Disorder) Counselor1770719627
  26. Daniela WhitneySocial Worker1013402197
  27. Hannah Whitney, DCChiropractor1912583758
  28. Stephanie WigleyStudent in an Organized Health Care Education/Training Program1467083568
  29. Ashley WilkerBehavior Technician1003400938
  30. Soriya WilkinsBehavior Technician1891255030
  31. Ananda WilliamsSocial Worker1710774344
  32. Brittany Williams, LMFTMarriage & Family Therapist1538482039
  33. Charles Williams, M.D.Pain Medicine (Anesthesiology) Physician1760526743
  34. Kari Williams, BCBABehavior Analyst1629538715
  35. Lancelot Williams, M.D.Anesthesiology Physician1053372763
  36. Lisa Williamson, RN, NPObstetrics & Gynecology Nurse Practitioner1841571908
  37. Michelle Williamson, RN, NPObstetrics & Gynecology Nurse Practitioner1508147661
  38. Chiara WilridgeMarriage & Family Therapist1275275059
  39. James Wilson, CCAPPRehabilitation Practitioner1861604662
  40. Julieanne Wilson, REGISTERED DIETITIANRegistered Dietitian1184247736
  41. Lynn Wilson, M.D.Orthopaedic Surgery Physician1487709531
  42. Mandi Wilson, D.D.S.Dentist1063821429
  43. Pandora Wilson, D.O.Adult Medicine Physician1225246978
  44. Cha'r WiltshireStudent in an Organized Health Care Education/Training Program1760819353
  45. Shaylah Winder, SLPASpeech-Language Pathologist1053133611
  46. Imani Winn, PAStudent in an Organized Health Care Education/Training Program1154285625
  47. Michael Winter, DDSGeneral Practice Dentistry1245293430
  48. Wendy WitzgallCase Manager/Care Coordinator1598164949
  49. Alodie Wong, FNP-CNurse Practitioner1255017075
  50. Betty Wong, DOStudent in an Organized Health Care Education/Training Program1285263020

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.