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 32 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. Lynn MartinHearing Instrument Specialist1659122828
  2. Michael Martin, MDEmergency Medicine Physician1740217447
  3. Alexandra Martindale, OTR/LOccupational Therapist1841726882
  4. Alexis MartinezSpeech-Language Assistant1972993277
  5. Christine Martinez, NP-CNurse Practitioner1588383301
  6. Daisy MartinezAssistant Behavior Analyst1295547826
  7. Debra Martinez, PSYDClinical Psychologist1881713741
  8. Eloy MartinezAddiction (Substance Use Disorder) Counselor1932373602
  9. Emma Martinez, SLPASpeech-Language Assistant1972133205
  10. Erika Martinez, SPA 2102Speech-Language Assistant1952739906
  11. Jasmine MartinezBehavior Analyst1285219956
  12. Joanna MartinezAddiction (Substance Use Disorder) Counselor1083378715
  13. John Martinez, LCSWClinical Social Worker1942332416
  14. Laura MartinezSpeech-Language Assistant1649722711
  15. Leeza MartinezSpeech-Language Assistant1568350379
  16. Marcos Martinez, PSY.D.Clinical Psychologist1235141102
  17. Marissa MartinezSpeech-Language Assistant1558205526
  18. Martha Martinez, D.D.S.General Practice Dentistry1912273665
  19. Martina MartinezBehavior Technician1851186209
  20. Natalie MartinezBehavior Technician1437895240
  21. Norma Martinez, MDFamily Medicine Physician1780797837
  22. Rebecca MartinezAddiction (Substance Use Disorder) Counselor1023327186
  23. Samantha MartinezAssistant Behavior Analyst1780350561
  24. Thelma MartinezSpeech-Language Assistant1982953600
  25. Virginia Martinez, R.N.Registered Nurse1124475181
  26. Yadira Martinez, SLPASpeech-Language Assistant1003243635
  27. Danna Martinez Maravilla, MSW INTEMClinical Social Worker1427873090
  28. Danielle Martinez-Sanabria, DCChiropractor1619639143
  29. Mariam Martirosyan, MABehavior Analyst1225624604
  30. Travis Martois, P.A.Physician Assistant1750323648
  31. Allison Maryoung, ODOptometrist1083309124
  32. Nicole MascarenasPeer Specialist1548147077
  33. Salina Massei, DDSPediatric Dentistry1669828018
  34. Henry Masters, MDInternal Medicine Physician1336599711
  35. Shanzana MasudBehavior Technician1164116109
  36. Cindy MataClinical Social Worker1043407034
  37. Lilia Mata, CCC-SLPSpeech-Language Pathologist1598004160
  38. Aijaz MathuProsthetist1235835398
  39. Bonnie MatlickSpeech-Language Pathologist1649747536
  40. Brianna MatthewsAddiction (Substance Use Disorder) Counselor1528502606
  41. Andrea MaushardtBehavior Analyst1609669571
  42. Sarah Maust, C.N.M., R.N.Advanced Practice Midwife1609183490
  43. Will Max, M.A.Counselor1053696005
  44. Rudolf Mayer, DDSOrthodontics and Dentofacial Orthopedics Dentistry1891329140
  45. Meghann McCall-O'Dell, DC, MAT, ATCChiropractor1184234221
  46. Karen McCandlissSpeech-Language Assistant1013633361
  47. John McCarthyInfectious Disease Physician1679650923
  48. Clare McClafferty, LCSWClinical Social Worker1851825384
  49. Jennifer McClean, L.C.S.W.Clinical Social Worker1972606762
  50. Sarah McClellanSocial Worker1104235373

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.