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 91 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. Natalie GulrajaniStudent in an Organized Health Care Education/Training Program1770422776
  2. Nilanthi Gunawardane, M.D.Dermatology Physician1124351051
  3. Yigit Guner, M.D.Pediatric Surgery Physician1851375828
  4. Lynn Guo, MDStudent in an Organized Health Care Education/Training Program1679275077
  5. Yiming GuoBehavior Technician1093547390
  6. Arti Gupta, MDBody Imaging Physician1770589152
  7. Geeta K Gupta, MDInfectious Disease Physician1558441600
  8. Ranjan Gupta, MDOrthopaedic Hand Surgery Physician1285714337
  9. Shweta Gupta, PA-CPhysician Assistant1437314960
  10. Kimberly GurrolaOccupational Therapy Assistant1629609920
  11. Purnima Gurung, MDInternal Medicine Physician1720668601
  12. Maryanna GusenkovNurse Practitioner1720439730
  13. Dan Gutfinger, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1720004690
  14. Lamerror GuthridgeBehavior Technician1275366767
  15. Linda Guthrie, MSWSocial Worker1750108114
  16. Anna Katrina GutierrezStudent in an Organized Health Care Education/Training Program1972362176
  17. April GutierrezBehavior Technician1124889266
  18. Avar GutierrezAddiction (Substance Use Disorder) Counselor1578083952
  19. Brandon GutierrezBehavior Technician1457009813
  20. Caitlin GutierrezBehavior Technician1124805676
  21. Candace Gutierrez, MDFamily Medicine Physician1154759355
  22. Ernesto GutierrezOther Technician1356933147
  23. Jade GutierrezBehavior Technician1144198904
  24. Janet GutierrezDay Training/Habilitation Specialist1053900704
  25. Juliana GutierrezBehavior Technician1841058872
  26. Kelsey GutierrezBehavior Technician1669188215
  27. Lauryn GutierrezBehavior Technician1447089396
  28. Mario Gutierrez, MDStudent in an Organized Health Care Education/Training Program1255183968
  29. Mark GutierrezBehavior Technician1164377503
  30. Marlene GutierrezBehavior Technician1356800999
  31. Miranda GutierrezBehavior Technician1871063032
  32. Nathaly GutierrezCommunity Health Worker1730916933
  33. Nelly GutierrezBehavior Technician1669298253
  34. Noemi GutierrezCommunity Health Worker1619605896
  35. Silvia Gutierrez, BCBABehavior Analyst1760946008
  36. Stephanie Gutierrez, DMDGeneral Practice Dentistry1629621206
  37. Teresita Gutierrez, NPNurse Practitioner1700639192
  38. Ulises GutierrezBehavior Technician1760164370
  39. Vanessa GutierrezBehavior Technician1912793464
  40. Venessa Gutierrez, M.D.Pediatrics Physician1750786323
  41. Pedro Gutierrez ChavezBehavior Technician1427893098
  42. Emmanuel Gutierrez FriasBehavior Technician1790584332
  43. Guadalupe Gutierrez Ramirez, MAPsychologist1922732361
  44. Suzy Gutierrez VenturaBehavior Technician1710688700
  45. Janet Gutierrez-HernandezBehavior Technician1568291334
  46. Gregory Gutowski, MS, CCPSpecialist1962942904
  47. Kayla GuyAssistant Behavior Analyst1982497616
  48. Megan Guy, MDEmergency Medicine Physician1215424502
  49. Agustin GuzmanBehavior Technician1548984164
  50. Alejandra GuzmanRehabilitation Practitioner1881348795

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.