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 37 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. Samantha NavasAddiction (Substance Use Disorder) Counselor1346127776
  2. Sudhaker Nayak, M.D.Specialist1063501021
  3. Esmeralda NaylorAddiction (Substance Use Disorder) Counselor1669832200
  4. Sarah NazaroffSpeech-Language Assistant1407632755
  5. Jacqueline Nazer, NPNurse Practitioner1881108058
  6. Odera Nduka, PHARMDPharmacist1467320895
  7. Teresa Nehls, FNPFamily Nurse Practitioner1285944058
  8. Marissa NelsonGerontology Nurse Practitioner1366072340
  9. Ernestine Nepomuceno, FNPFamily Nurse Practitioner1760115224
  10. Arnold Nerenberg, M.D.Psychiatry Physician1124148440
  11. Frank Nessary, PSY.D.Psychologist1881889749
  12. Elizabeth Newquist, MFTMarriage & Family Therapist1356471742
  13. Patricia Newton, M.D.Family Medicine Physician1376591719
  14. Eunice NgSpeech-Language Pathologist1326465774
  15. Lishan Ng, PHARM DPharmacist1003186289
  16. Moe Nge Nge, D.D.S.General Practice Dentistry1922212745
  17. Bay Ngo, M.D.Diagnostic Radiology Physician1427114602
  18. Nicole Ngo, DMDDentist1952753683
  19. Quan Ngo, P.T.Physical Therapist1750321899
  20. Tammy NgoStudent in an Organized Health Care Education/Training Program1104602986
  21. Andy Nguyen, PHARMDPharmacist1174022719
  22. Anh-Thu NguyenPharmacist1033658315
  23. Brandon NguyenStudent in an Organized Health Care Education/Training Program1467316935
  24. Claire Nguyen, PHARMDPharmacist1578843611
  25. David NguyenBehavior Technician1134689359
  26. Evelyn NguyenPhysician Assistant1184149064
  27. Jade Nguyen, MDSurgery Physician1760005581
  28. Jessica Nguyen, OTR/LPediatric Occupational Therapist1972369817
  29. Linh Nguyen, FNP-BCFamily Nurse Practitioner1033456264
  30. Long NguyenStudent in an Organized Health Care Education/Training Program1093970691
  31. Myhanh Nguyen, BCBABehavior Analyst1962092163
  32. Sonia Nguyen, NPFamily Nurse Practitioner1689447583
  33. Tanya Nguyen, PHARMDPharmacist1538639943
  34. Thinh Nguyen, RPHPharmacist1366892911
  35. Tia Nguyen, PHARMDPharmacist1942265095
  36. Sabiha NiaziBehavior Technician1871277483
  37. Dominic Niccoli, D.D.S., M.S.Endodontics1164501409
  38. Wesley Nicholson, M.A.Speech-Language Pathologist1972641520
  39. Jennifer NoborikawaAcupuncturist1033681952
  40. Deanna Noll, NPFamily Nurse Practitioner1467202283
  41. Oscar Norona, PA-CPhysician Assistant1548598535
  42. Edward Norzagaray, D.D.S.Dentist1205946118
  43. Ruth NotteMental Health Counselor1154744662
  44. Lynn Nottingham, REGISTERED NURSECommunity Health Registered Nurse1730544230
  45. Shahram Nourian, D.D.S.General Practice Dentistry1902947419
  46. Brian Novak, DMDDentist1679662951
  47. Cynthia NovoaSocial Worker1588091912
  48. Sepehr Nowfar, M.D.Urology Physician1124174560
  49. Josseline NunezPeer Specialist1588388805
  50. Sandra NunezClinical Social Worker1518000207

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.