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 96 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
- Erika Hayden, M.S.Marriage & Family Therapist1265521256
- Cyrus Hayden GephartBehavior Technician1821941733
- Aiesha HayesClinical Social Worker1295216331
- Nathan HayesBehavior Technician1336971639
- Nellie Hayin-Quitangon, DNP, APRN, FNP-CFamily Nurse Practitioner1043044407
- Kaley Haymond, ACCNS-NClinical Nurse Specialist1306724950
- Kai He, MDStudent in an Organized Health Care Education/Training Program1609561331
- Emily HeadBehavior Technician1023698172
- Darcy Healey, OTOccupational Therapist1053609164
- Erin Healy, MDRadiation Oncology Physician1437407863
- Jonah Hebert-Davies, MDOrthopaedic Surgery Physician1083050843
- Christen Hebl, CRNACertified Registered Nurse Anesthetist1235171273
- Chloe HechtBehavior Technician1649191412
- Pejman Hedayati, M.D.Diagnostic Radiology Physician1336278431
- Lawrence HedgesPsychologist1033329016
- Julie HedlundBehavior Technician1881226553
- Rachael HeeBehavior Technician1194508846
- Ghada HegabBehavior Technician1780548024
- Mennatalla HegaziStudent in an Organized Health Care Education/Training Program1780149328
- Tracy HegaziBehavior Technician1447147764
- Eric Hegedus, M.D.Emergency Medicine Physician1598945537
- Ainsley HegenerBehavior Technician1982288593
- Babak Heidari, D.D.S., M.P.H,Public Health Dentistry1447316864
- Akbar Heidarinia, D.M.D.General Practice Dentistry1104804780
- Stephanie HeiserMarriage & Family Therapist1194186296
- Ryan HeitmeyerBehavior Technician1336948330
- Helge Helgesen, PAPhysician Assistant1669541330
- Standiford Helm, M.D.Interventional Pain Medicine Physician1437156627
- Rawan HelmiBehavior Technician1295663185
- Mohammad Helmy, M.D.Body Imaging Physician1578786448
- Ethan HemLicensed Psychiatric Technician1396499539
- Tharindhie Thisuri Hembadura De SilvaBehavior Technician1003571928
- Bryn Henderson, D.O.Family Medicine Physician1447296694
- Kel HendersonBehavior Technician1811646656
- Chelsea Hendricks, DPMFoot & Ankle Surgery Podiatrist1083104319
- Joshua Hendricks, DPMFoot & Ankle Surgery Podiatrist1992298822
- Lindsey Hendricks, MDHospitalist Physician1619505252
- Janine Hendrickson, R.N.P.Obstetrics & Gynecology Nurse Practitioner1033326780
- Linette HeneinBehavior Technician1265018535
- Andrew HengAnesthesiology Physician1154061125
- Katelyn Henka, M.S., CCC-SLPSpeech-Language Pathologist1245600097
- Laura HenkleStudent in an Organized Health Care Education/Training Program1295484830
- Amber Henmi, MSSpeech-Language Pathologist1295541241
- Joshua Henning, CAARR 08-9591Case Manager/Care Coordinator1053688622
- Jonah HenningerMassage Therapist1528730306
- Heather Hennrick, PH.D.Clinical Psychologist1689377657
- Mason HenrichStudent in an Organized Health Care Education/Training Program1780527382
- Laura HenrichsenBehavior Technician1316691983
- James HenriquezStudent in an Organized Health Care Education/Training Program1215792866
- Melanie HenriquezBehavior Technician1689528937
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.