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 27 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. Jason Lai, M.D.Urology Physician1265503965
  2. Vivian Lai, FNP-BCFamily Nurse Practitioner1881451474
  3. Yih Lai, M.D.Specialist1518034958
  4. Raymond LamPharmacist1154758944
  5. Vicky Lam, MDEmergency Medicine Physician1629575014
  6. Hannah LamadridSpeech-Language Assistant1043706203
  7. Tayar Lamin, DDSGeneral Practice Dentistry1265517361
  8. Jaydon LanderosProfessional Counselor1154130912
  9. Sally LangeSchool Registered Nurse1962101519
  10. Joseph Lantz, PSY.D.Forensic Psychologist1154401479
  11. Stephanie LaraBehavior Technician1326796806
  12. Linette LariosBehavior Technician1003554981
  13. Cindy Larraz BecerraHearing Instrument Specialist1629567367
  14. Amy Larson, LCSW, PPSClinical Social Worker1639960172
  15. Arthea LarsonMarriage & Family Therapist1477671709
  16. Jessica Lau, PPCNP-BC, RNPediatric Nurse Practitioner1215219365
  17. Judy Wan Ho Lau, RPHPharmacist1245902238
  18. Suaree Lauren, O.D.Optometrist1770633380
  19. Stephanie Lauw, MDEmergency Medicine Physician1992187959
  20. Mary LauwersSpeech-Language Assistant1871067132
  21. Judy Law, M.S.WClinical Social Worker1306976907
  22. Seamus Lawler, CPOOrthotist1316204068
  23. Ashley LawsonMarriage & Family Therapist1649753583
  24. Erin LaynoBehavior Analyst1538986344
  25. Heather Lazaro, O.D.Optometrist1043354632
  26. Anh LeGeneral Practice Dentistry1891425419
  27. Bach Le, D.D.S.,M.D.Oral and Maxillofacial Surgery (Dentist)1275679524
  28. Gwyneth Le, PHARM.DPharmacist1316473473
  29. John LeStudent in an Organized Health Care Education/Training Program1275162810
  30. Marinda LePhysician Assistant1528804416
  31. Tammy Le, RDNRegistered Dietitian1235618901
  32. Thia Le, RDRegistered Dietitian1750814422
  33. Walter LeInternal Medicine Physician1174943013
  34. Xuan-An Le, L.AC.Acupuncturist1023282779
  35. Teresa Lebouvier, C.P.N.P.Pediatric Nurse Practitioner1801007158
  36. Rebecca Lecroix, PH.D.Psychologist1508441312
  37. Annette LedezmaDental Hygienist1477084754
  38. Aimee Lee, NPNurse Practitioner1124691837
  39. Amy Lee, PHARM.D.Pharmacist1386071090
  40. Andrew Lee, DDSOrthodontics and Dentofacial Orthopedics Dentistry1336585793
  41. Andy Lee, D.O.Family Medicine Physician1013396274
  42. Carmen Lee, OTR/LOccupational Therapist1184363780
  43. Chris Lee, DCChiropractor1083369532
  44. Christina Lee, M.D.Diagnostic Radiology Physician1346404795
  45. Daniel Lee, MDOrthopaedic Hand Surgery Physician1659533115
  46. Davis Lee, M.D.Pediatrics Physician1164506382
  47. Dongwuk Lee, D.C.Chiropractor1487878120
  48. Edward Lee, D.O.Anesthesiology Physician1205039831
  49. Haeryoung Lee, LACAcupuncturist1417176983
  50. Isaac LeeBehavior Analyst1760110068

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.