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 36 of 265.
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
- Danny CarrilloBehavior Technician1588271159
- Hector Carrillo, ODOptometrist1609587831
- Jocellyn CarrilloBehavior Technician1154218600
- Lawrence CarrilloRegistered Nurse1154080943
- Leslie CarrilloBehavior Technician1558050492
- Rosario Carrillo Ocegueda, MS PPSSchool Counselor1083552434
- Madilyn CarringtonBehavior Technician1023885183
- Astrid Carrion Rodriguez, MDStudent in an Organized Health Care Education/Training Program1114415411
- Cecilia Carro-Harvey, MFC 53336Marriage & Family Therapist1134650567
- Esmeralda CarrollClinical Social Worker1245406081
- Madeline CarrollStudent in an Organized Health Care Education/Training Program1972356970
- Mary Carroll, FNPFamily Nurse Practitioner1639535834
- Kelly CarstensenBehavior Technician1619744414
- Ronald CarswellCommunity Health Worker1275247074
- John Cartelli, P.T.A.Physical Therapy Assistant1881703981
- Diane CarterBehavior Technician1740098664
- Erlinda Carter, NPNurse Practitioner1962611541
- Gertrude Carter, M.D.Pediatrics Physician1154466621
- Jennifer Carter, L.AC PH.DAcupuncturist1164548137
- Keshawn CarterBehavior Technician1619706074
- Madison CarterStudent in an Organized Health Care Education/Training Program1306692199
- Sonja Carter, LCSWClinical Social Worker1255476362
- Candace Cartmill-Nishimoto, PH.D.Clinical Psychologist1821186537
- Joseph Carton, MDStudent in an Organized Health Care Education/Training Program1013718956
- Amanda CarvajalBehavior Technician1679207658
- Jarrod Carver, PMHNPPsychiatric/Mental Health Nurse Practitioner1083418628
- Alison CaryStudent in an Organized Health Care Education/Training Program1235916859
- Ava Casados, PH.DClinical Child & Adolescent Psychologist1992365068
- Claudia CasamataAssistant Behavior Analyst1679031124
- Annie Lyn Casao, BCBA, LBABehavior Analyst1427683200
- Barbie CasaolLicensed Psychiatric Technician1588098743
- Carla CasaresBehavior Technician1881511715
- Alyssa CasarezBehavior Technician1932796703
- Gerolyn Casas, LCSWClinical Social Worker1326357377
- Raymond Casciari, M.D.Pulmonary Disease Physician1467420273
- Isabella CascoBehavior Technician1346046844
- Susan Casey, PPS - SCHOOL PSYCHCounseling Psychologist1285573766
- Clarisse Casilang, M.D.Pediatrics Physician1093133407
- Ricardo CasillasBehavior Technician1386403384
- Mike CasillasvitelaRehabilitation Practitioner1316502974
- McKenna CaskeyBehavior Technician1962256388
- Andrew Cassidenti, M.D.Specialist1386657039
- Isabel CastBehavior Technician1306537097
- Angela CastanedaBehavior Technician1396599775
- Claudia CastanedaBehavior Technician1396529178
- Jan CastanedaBehavior Technician1114875127
- Jorgina CastanedaBehavior Technician1306795521
- Joscelyn CastanedaBehavior Technician1306576715
- Kevin CastanedaBehavior Technician1770209314
- Liliana CastanedaBehavior Technician1134086358
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
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.