NPPES file of Aug 9, 2026

Doctors and health care providers in Torrance, CA

8,901 individual NPPES records list a practice address in Torrance, 19th of 812 California cities. The largest group is behavior technician: 1,099, 12% of the city's records, against 18% across California. Page 119 of 179.

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

The 8 largest groups in Torrance

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Torrance in California

  • Rank in California19th of 812 cities by records
  • Share of the state0.9% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups26% of all records

Compared with California as a whole, Torrance has 2.8× the state's share of emergency medicine physician records and 0.39× its share of mental health counselor records.

Providers in Torrance, alphabetically

  1. Juan OlmosAmbulatory Care Registered Nurse1639699234
  2. Michael Olney, DPTPhysical Therapist1689753147
  3. Erika Olofson, DPTOrthopedic Physical Therapist1710741095
  4. Eric OlsenAnatomic Pathology & Clinical Pathology Physician1235326653
  5. Yvette OlsonBehavior Technician1588473904
  6. Joanna Olvera-MendozaBehavior Technician1316628746
  7. Samantha OmOccupational Therapist1134727159
  8. Janella Omojeminiyi, M.A. CCC-SLPSpeech-Language Pathologist1780191007
  9. Carla Onayemi, LVNLicensed Vocational Nurse1376839795
  10. Lauren Oneil, IBCLCLactation Consultant (Non-RN)1639442940
  11. Irie Ann Makeda OngBehavior Technician1700690898
  12. Joyce Ong, OTROccupational Therapist1043432974
  13. Paul Margarette OngMarriage & Family Therapist1164062857
  14. Encarnita OngjocoRegistered Dietitian1184135022
  15. Adebola OniBehavior Analyst1700631884
  16. Samantha Love Onnagan, M.D.Anesthesiology Physician1245492016
  17. Yasuko Ono, NPFamily Nurse Practitioner1831878875
  18. Chinwe OnuStudent in an Organized Health Care Education/Training Program1972967081
  19. Chukwueloka Onwunyi, DPT, PTPhysical Therapist1821271289
  20. Valerie OnyeachonamBehavior Technician1346954245
  21. Chioma Onyejekwe, DNPFamily Nurse Practitioner1548701535
  22. Nduka OnyenuforoRegistered Respiratory Therapist1336663095
  23. Catalina OoleyBehavior Technician1376309575
  24. Melissa OpahDental Assistant1447626072
  25. Karen Oppenheimer, M.D.Internal Medicine Physician1164430443
  26. Roxanne OrantesBehavior Technician1194440057
  27. Wendy Orantes, M.S.W.Mental Health Counselor1427239565
  28. Brittany OrdazBehavior Technician1437680519
  29. Anika OrdonezBehavior Technician1700738721
  30. Glenda Ordonez, M.A.Marriage & Family Therapist1285758664
  31. Megan OrejanaPediatric Physical Therapist1508468034
  32. Andrea Orellana, BCATBehavior Technician1619733706
  33. Alison OribaSpeech-Language Pathologist1538918115
  34. I Orlin, MDGeneral Practice Physician1932251428
  35. Anessa OrnelasBehavior Technician1558207621
  36. Denise Ornelas, MDStudent in an Organized Health Care Education/Training Program1740039643
  37. Diana OrozcoStudent in an Organized Health Care Education/Training Program1417263914
  38. Elena OrozcoCase Manager/Care Coordinator1063539039
  39. Florisela OrozcoPeer Specialist1447347836
  40. Gustavo OrozcoCommunity Health Worker1558749507
  41. Kylee OrozcoBehavior Technician1023629474
  42. Maria OrozcoBehavior Technician1073306320
  43. Rhea OrozcoBehavior Technician1902612757
  44. Stephanie Orr, M.D.Dermatology Physician1568755502
  45. Graciela OrtegaBehavior Technician1013416833
  46. Monica OrtegaStudent in an Organized Health Care Education/Training Program1073003919
  47. Karen Ortiz, SUD COUNSELORAddiction (Substance Use Disorder) Counselor1366267114
  48. Paola Ortiz, MDInternal Medicine Physician1457937963
  49. Rose OrtizCounselor1104941038
  50. Stephanie OrtizCommunity Health Worker1902672710

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

Torrance, California appears in the CMS National Plan and Provider Enumeration System with 8,901 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 Torrance - 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 Torrance 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 Torrance is weighted toward Behavior Technician (1,099 clinicians, followed by Student in an Organized Health Care Education/Training Program with 786 and Marriage & Family Therapist with 433). 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, Torrance reports roughly 22.8 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 Torrance 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 Torrance, CA?

There are 8,901 registered healthcare providers in Torrance, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Torrance?

The most common specialties in Torrance are Behavior Technician, Student in an Organized Health Care Education/Training Program, Marriage & Family Therapist, Physical Therapist, Clinical Social Worker. Behavior Technician has the most providers with 1,099.

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.