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 40 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. Ryan Parto, MDInternal Medicine Physician1528761699
  2. Shahriar Parvizpour, D.D.S.Prosthodontics1821359084
  3. Mihrazoon ParyaniClinical Social Worker1447084215
  4. Sue Passalacqua, MFTMarriage & Family Therapist1417184672
  5. Amish Patel, MDDiagnostic Radiology Physician1700082013
  6. Bharat Patel, M.D.Internal Medicine Physician1265517817
  7. Devang Patel, PHARM.D.Pharmacist1407986599
  8. Devang Patel, M.D.Neonatal-Perinatal Medicine Physician1609070994
  9. Hiren Patel, MDInternal Medicine Physician1295102457
  10. Jagdish Patel, MDDiagnostic Radiology Physician1891777272
  11. Nimish Patel, MDCardiovascular Disease Physician1114119914
  12. Paresh Patel, MDCardiovascular Disease Physician1043399561
  13. Peter PatelPharmacist1497294508
  14. Shakti Patel, RDNRegistered Dietitian1205569878
  15. Vishal Patel, PHARMDPharmacist1952060212
  16. Simran PathakBehavior Technician1730994682
  17. Charlene Patriarca, MSN, NP-CFamily Nurse Practitioner1043875339
  18. Janelle Patriarca, MSN, NP-CFamily Nurse Practitioner1841855590
  19. Katerina Patterson, MSWSocial Worker1467625129
  20. Yesenia PaucarAssistant Behavior Analyst1891625414
  21. John PayneHearing Instrument Specialist1932457488
  22. Heather PazStudent in an Organized Health Care Education/Training Program1235965666
  23. Jessica PazHearing Instrument Specialist1457040636
  24. Carmen Pease, MSMarriage & Family Therapist1770258923
  25. Barbara PeckAddiction (Substance Use Disorder) Counselor1689196925
  26. Brenda PedrozaPhysical Therapy Assistant1528561313
  27. Cynthia PelayoClinical Social Worker1336650415
  28. Heidi PenaMarriage & Family Therapist1285497867
  29. Karen Pena, SCHOOL COUNSELORCounselor1578175444
  30. Tatiana Peppe, M.S. SLPSpeech-Language Pathologist1710228168
  31. Silvia PeralesBehavior Technician1437003175
  32. Lisette Peralta, PA-CPhysician Assistant1568770725
  33. Daniel PereaAddiction (Substance Use Disorder) Counselor1538801246
  34. Alma PerezBehavior Analyst1790023703
  35. Alma Perez, RDA/CDADental Assistant1023593316
  36. Alyssa PerezBehavior Technician1952980476
  37. Angelica Perez, NPGerontology Nurse Practitioner1255859724
  38. Cecilia Perez, SLPSpeech-Language Pathologist1790033462
  39. Clarissa PerezBehavior Technician1265217004
  40. Danielle PerezStudent in an Organized Health Care Education/Training Program1891368882
  41. David Perez, D.D.S.General Practice Dentistry1316156904
  42. Felix PerezCase Manager/Care Coordinator1548406630
  43. Jessica Perez, MSWClinical Social Worker1831229079
  44. Lisa Perez, FNPFamily Nurse Practitioner1194571455
  45. Mayra PerezBehavior Analyst1922507029
  46. Vanessa PerezBehavior Technician1720633720
  47. Maribel Perez TrujequePediatric Occupational Therapist1396004958
  48. Marcela Perez ZepedaDentist1215060769
  49. Gabriella Peri, DCChiropractor1851196059
  50. George Perri, D.D.S.General Practice Dentistry1184986960

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.