NPPES file of Aug 9, 2026

Doctors and health care providers in Pasadena, CA

10,525 individual NPPES records list a practice address in Pasadena, 13th of 812 California cities. The largest group is behavior technician: 1,617, 15% of the city's records, against 18% across California. Page 70 of 211.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Pasadena in California

  • Rank in California13th of 812 cities by records
  • Share of the state1.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups34.4% of all records

Compared with California as a whole, Pasadena has 6.2× the state's share of rehabilitation practitioner records and 0.51× its share of general practice dentistry records.

Providers in Pasadena, alphabetically

  1. Catherine Gray, PSY.D.Psychologist1225575293
  2. Megan Gray, PSY.D.Clinical Psychologist1265082069
  3. Sharon Gray, CCC-SLPSpeech-Language Pathologist1639764012
  4. Rachel GrayczykStudent in an Organized Health Care Education/Training Program1790456598
  5. Jonathan Grayson, PH.D.Psychologist1346350378
  6. Nicholas Greco, M.D.Emergency Medicine Physician1023325289
  7. Berzette GreenRehabilitation Practitioner1710117510
  8. Desiree GreenRehabilitation Practitioner1669502506
  9. Emma Green, PTOrthopedic Physical Therapist1558567388
  10. Hannah GreenBehavior Technician1730705005
  11. Keyshaud GreenBehavior Technician1598421414
  12. Nathaniel GreenRegistered Nurse1871483040
  13. Rachel GreenStudent in an Organized Health Care Education/Training Program1871136556
  14. Shantel GreenRehabilitation Practitioner1497321327
  15. Tiffany Green, NPFamily Nurse Practitioner1245947183
  16. Roberta Green Ph.d., MSW, PH.D.Clinical Social Worker1336273374
  17. Sandra Greenberg, DOPediatrics Physician1043292485
  18. Cynthia Greenburg, AMFTMarriage & Family Therapist1255075198
  19. Brendan GreeneBehavior Technician1366239188
  20. Elyrique GreeneBehavior Technician1962169128
  21. Jeryle GreeneBehavior Technician1447916200
  22. Wendy Greenleaf, MFT TRAINEEStudent in an Organized Health Care Education/Training Program1689014433
  23. McKenna Greenleaf Faulk, BSAssistant Behavior Analyst1073241303
  24. Donna GreenmanBehavior Technician1750025169
  25. Katherine Greenwalt, FNP-CFamily Nurse Practitioner1639763675
  26. Victoria GreenwoodRehabilitation Practitioner1578696324
  27. Evelyn Gregorian, RNAdministrator Registered Nurse1568887172
  28. Kolleen Gregory, DCChiropractor1265501464
  29. Lili GregoryMental Health Counselor1770906059
  30. William Gregory, MDEmergency Medicine Physician1659337350
  31. Roseanna GrelloStudent in an Organized Health Care Education/Training Program1790468163
  32. Gerald GrenemanRehabilitation Practitioner1780723304
  33. Jami Lynne GrenhamAddiction (Substance Use Disorder) Counselor1114692316
  34. Valene Gresham, PSYDClinical Psychologist1144486424
  35. Melissa Grier, M.D.Obstetrics & Gynecology Physician1861484420
  36. Paris GrierBehavior Technician1730828344
  37. Dara GriffinCase Manager/Care Coordinator1174117089
  38. Daniel Grifka, DDSDentist1437167426
  39. Bianca Grigorian, MDInternal Medicine Physician1427053693
  40. Mari GrigorianPharmacist1285878546
  41. Molly Grigorian, FNPFamily Nurse Practitioner1700697604
  42. Sirekan GrigorianPharmacist1659435162
  43. Mher Grigoryan, DDSDentist1730169392
  44. Ruby GrijalvaBehavior Technician1417805680
  45. George GrimaldoBehavior Technician1891394466
  46. Matthew Grimsley, CMTMassage Therapist1982410858
  47. Julia Grinblat, RNPsychiatric/Mental Health Registered Nurse1477150381
  48. Sabrina Griswold, LPCCProfessional Counselor1952221178
  49. Miriam Gritzewsky, B.A.Rehabilitation Practitioner1295865053
  50. Julia Groh, P.A.Physician Assistant1568816916

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

Pasadena, California appears in the CMS National Plan and Provider Enumeration System with 10,525 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 Pasadena - 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 Pasadena 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 Pasadena is weighted toward Behavior Technician (1,617 clinicians, followed by Marriage & Family Therapist with 1,082 and Rehabilitation Practitioner with 924). 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, Pasadena reports roughly 27 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.

For Pasadena 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 Pasadena, CA?

There are 10,525 registered healthcare providers in Pasadena, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Pasadena?

The most common specialties in Pasadena are Behavior Technician, Marriage & Family Therapist, Rehabilitation Practitioner, Student in an Organized Health Care Education/Training Program, Clinical Social Worker. Behavior Technician has the most providers with 1,617.

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.