NPPES file of Aug 9, 2026

Doctors and health care providers in Orange, CA

13,245 individual NPPES records list a practice address in Orange, 11th of 812 California cities. The largest group is behavior technician: 4,271, 32% of the city's records, against 18% across California. Page 92 of 265.

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

The 8 largest groups in Orange

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

Orange in California

  • Rank in California11th of 812 cities by records
  • Share of the state1.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups42% of all records
  • Behavior Technician rank7th of the 10 California cities with the most

Compared with California as a whole, Orange has 7.3× the state's share of other technician records and 0.43× its share of physical therapist records.

Providers in Orange, alphabetically

  1. Axel GuzmanBehavior Technician1689538704
  2. Diana Guzman, LPTLicensed Psychiatric Technician1184203424
  3. Joseph Guzman, MDStudent in an Organized Health Care Education/Training Program1821583550
  4. Juan GuzmanBehavior Technician1649124652
  5. Kristiana GuzmanMental Health Counselor1922696111
  6. Lorena GuzmanBehavior Technician1033645890
  7. Stephanie GuzmanBehavior Technician1467175406
  8. Angelica Guzman BonillaBehavior Technician1942033584
  9. Crhistin Guzman ChavarriasBehavior Technician1366312282
  10. Giovanni Guzman MarquezBehavior Technician1275231342
  11. Alexa Guzman SanchezOther Technician1124600622
  12. Leslie Guzman-RamirezBehavior Technician1235831298
  13. Valerie Guzzo, AU.D.Audiologist1528319803
  14. Walter GwathneyBehavior Technician1548109796
  15. Monika Gyulai, DDSGeneral Practice Dentistry1548452386
  16. Ewans HaOther Technician1467036210
  17. Hailey HaBehavior Technician1881232171
  18. Iris HaBehavior Technician1972454973
  19. Jefferson HaPharmacist1336736693
  20. June Ha, PT, DPTPhysical Therapist1689076622
  21. Mylan HaAssistant Behavior Analyst1275120818
  22. Nancy Ha, MDAnesthesiology Physician1811518798
  23. Sally Haas, MDNeonatal-Perinatal Medicine Physician1245418201
  24. Linda Haase, FNPFamily Medicine Physician1699867242
  25. Jennifer HabanaBehavior Technician1922831106
  26. Vanessa HaberBehavior Technician1952968596
  27. Ali Habib, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1518124288
  28. Madina HabibBehavior Analyst1437806882
  29. Mera HabibBehavior Technician1003768110
  30. Ahmad HabibiHearing Instrument Specialist1154584738
  31. Colbert HacNurse Practitioner1548047756
  32. Tea HadaBehavior Technician1982490108
  33. Anastasia Haddad, MDInternal Medicine Physician1578067682
  34. Andrew HaddadStudent in an Organized Health Care Education/Training Program1700639226
  35. Henry HaddadBehavior Technician1356219786
  36. Debbie HadleyRegistered Nurse1821755786
  37. Janet HadleyCase Manager/Care Coordinator1861761165
  38. Madeline HaecklBehavior Technician1326889122
  39. Celeste HagenBehavior Technician1801485644
  40. Carolyn Hagerty, AMFTMarriage & Family Therapist1568381960
  41. Bijan Haghighi, M.D.Anatomic Pathology & Clinical Pathology Physician1790868909
  42. Brandon Haghverdian, M.D.Orthopaedic Foot and Ankle Surgery Physician1851827661
  43. Justin Haghverdian, MDOrthopaedic Foot and Ankle Surgery Physician1073001962
  44. Garo HagopianStudent in an Organized Health Care Education/Training Program1154907699
  45. Isabella HagopianBehavior Technician1356227946
  46. Berhane Hagos, MDEmergency Medicine Physician1790421907
  47. Andrew HahnBehavior Technician1831027762
  48. Luke Hahn, M.D.Student in an Organized Health Care Education/Training Program1760800262
  49. Ali Jaafar HaidarStudent in an Organized Health Care Education/Training Program1386583425
  50. Yarah Haidar, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1851736235

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

Orange, California appears in the CMS National Plan and Provider Enumeration System with 13,245 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 Orange - 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 Orange 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 Orange is weighted toward Behavior Technician (4,271 clinicians, followed by Student in an Organized Health Care Education/Training Program with 870 and Marriage & Family Therapist with 424). 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, Orange reports roughly 34 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 Orange practice address, a coverage gap Orange patients typically fill by traveling to a larger nearby hub.

For Orange 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 Orange, CA?

There are 13,245 registered healthcare providers in Orange, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Orange?

The most common specialties in Orange are Behavior Technician, Student in an Organized Health Care Education/Training Program, Marriage & Family Therapist, Clinical Social Worker, Mental Health Counselor. Behavior Technician has the most providers with 4,271.

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.