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 4 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
- Diego AguilarBehavior Technician1053151399
- Elyssa AguilarSchool Counselor1013855477
- Evelyn AguilarBehavior Technician1215897368
- Gissel AguilarBehavior Technician1386581510
- Kathy AguilarBehavior Technician1346072733
- Luis AguilarBehavior Technician1780545616
- Manuel AguilarRehabilitation Practitioner1023705308
- Orion AguilarBehavior Technician1356189526
- Valerie AguilarBehavior Technician1841143880
- Victoria AguilarSocial Worker1730636648
- Victoria AguilarBehavior Technician1861324980
- Cristian Aguilar RegaladoBehavior Technician1578250221
- Carlos Aguilar Rios, D.D.S.Dentist1619310430
- Marcella Aguilar-BarbaPeer Specialist1659159291
- Alejandro AguileraOther Technician1114594090
- Arturo AguileraMental Health Counselor1932806502
- Isabella AguileraBehavior Technician1124886718
- Karla AguileraBehavior Technician1922980333
- Vanessa Aguilera FloresDay Training/Habilitation Specialist1336993757
- Carla Aguilera Rice, PH.DPsychologist1164918363
- Alexa AguirreBehavior Technician1316695471
- Brianna AguirreBehavior Technician1528917655
- Cherry AguirreBehavior Technician1699492462
- Crystal AguirreBehavior Technician1356053110
- Danielle AguirreBehavior Analyst1114506250
- David AguirreMarriage & Family Therapist1427603620
- Griselda AguirreOther Technician1891304069
- Maria AguirreBehavior Technician1518687565
- Miranda AguirreBehavior Technician1285492397
- Isela Aguirre Verdugo, LCSWClinical Social Worker1316465834
- Rebecca Ahdoot, M.D.Nephrology Physician1851735211
- Brittany Ahern Nwachie, LCSWClinical Social Worker1871179416
- Thomas Ahlering, M.D.Urology Physician1013983386
- Robin AhlquistBehavior Technician1245969534
- Monica Ahluwalia, MDCardiovascular Disease Physician1942645775
- Hira Ahmad, M.D.Pediatric Surgery Physician1770849093
- Irfan Ahmad, MDNeonatal-Perinatal Medicine Physician1699790139
- Sofia AhmadBehavior Technician1306783527
- Maryam Ahmadi, MDClinical Pathology/Laboratory Medicine Physician1003497678
- Afnaan AhmedBehavior Technician1144185380
- Khalil AhmedBehavior Technician1619812104
- Lillian Ahmed, BABehavior Technician1760163869
- Mahira May AhmedBehavior Technician1750157608
- Sana Ahmed, PA-CPhysician Assistant1740848050
- Siham AhmedOccupational Therapy Assistant1427713346
- Uzma Ahmed, MDInternal Medicine Physician1699185611
- Mohammad Ahmed-Khan, MDInternal Medicine Physician1114505781
- Alison AhnClinical Psychologist1902463755
- Byung Ahn, L.ACAcupuncturist1841662400
- Jeffrey Ahn, M.D.Hematology & Oncology Physician1902331630
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.