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 101 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
- Hao Ho, M.D.Anesthesiology Physician1184916017
- Hien Ho, NPNurse Practitioner1134603483
- Jeffrey Ho, D.O.Pediatric Gastroenterology Physician1003932963
- Jennifer Ho, MDPediatrics Physician1801020144
- Joyce Ho, M.D.Physical Medicine & Rehabilitation Physician1962415018
- Katherine HoBehavior Technician1376438077
- Katie Ho, N.P.Pediatric Nurse Practitioner1457544876
- Lauren HoMarriage & Family Therapist1386115244
- Mandy HoOccupational Therapist1285892521
- Michelle Ho, PHARMD, RPHPharmacist1063921492
- Sophie HoBehavior Technician1841142940
- Thuyet Ho, M.D.Hospitalist Physician1265720056
- Tony Ho, M.D.Anesthesiology Physician1568483105
- Vivian HoBehavior Technician1205510385
- Maria Ho RussellMarriage & Family Therapist1558037283
- Bang Hoang, MDAdult Reconstructive Orthopaedic Surgery Physician1568542629
- Bao Hoang, OTR/LOccupational Therapist1619722964
- Giang HoangBehavior Technician1417573494
- Gina HoangAssistant Behavior Analyst1720747512
- Joseph HoangDay Training/Habilitation Specialist1699402701
- Kathy HoangBehavior Technician1124901483
- Katie HoangBehavior Technician1689372062
- Kha HoangBehavior Technician1295604437
- Lillyan HoangMarriage & Family Therapist1477264638
- Linda Hoang, PHARMDPharmacist1922532027
- Tea Hoang, DMDDentist1306272190
- Thu HoangBehavior Technician1134096233
- Vicky HoangBehavior Technician1205633591
- Wilson HoangBehavior Technician1255209185
- John Hobbs, AMFTMarriage & Family Therapist1861149890
- Rodney HobbsAddiction (Substance Use Disorder) Counselor1356918957
- Dakisha HodgesBehavior Technician1942947072
- Elizabeth HodginStudent in an Organized Health Care Education/Training Program1669274585
- Ashley Hodson, NPAcute Care Nurse Practitioner1275358798
- Cassidy HodsonCase Manager/Care Coordinator1477285625
- Kathleen Hoff, FNP - BCFamily Nurse Practitioner1144549981
- Philion Hoff, MDNeurology Physician1902548159
- Karen Hoffman-Winberry, MFTMarriage & Family Therapist1104916808
- Jessica Hoffmann, M.D.Emergency Medicine Physician1770962516
- Keith Hoffmann, DDS PHDOral and Maxillofacial Surgery (Dentist)1598838351
- Taylor HofmannBehavior Technician1427907633
- Lindsay HofstatterSpeech-Language Pathologist1174920664
- Alice Hoftman, M.D.Pediatric Rheumatology Physician1053582692
- Kayla HoganClinical Social Worker1316760267
- Josiah HoiCertified Registered Nurse Anesthetist1942981188
- Mehrnaz Hojjati, M. D.Rheumatology Physician1720029135
- Melissa Holcombe, PTPhysical Therapist1255680716
- Alisha HoldenPsychologist1356754642
- Anisha Holden, LMFT134067Marriage & Family Therapist1629555123
- Christopher Holden, M.D.Family Medicine Physician1306867460
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.