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 208 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
- Rudy Roque, NPPsychiatric/Mental Health Nurse Practitioner1831933100
- Nicole Rorden, LMFTMarriage & Family Therapist1689340432
- Farrah RorrerClinical Social Worker1841887288
- Demi RosalesBehavior Technician1861297905
- Fernando RosalesBehavior Technician1073397634
- Jacob RosalesBehavior Technician1477304418
- Maritza Rosales, NONEBehavior Technician1619624319
- Valeria RosalesBehavior Technician1548947138
- Sarah RosarioCounselor1962813709
- Exy RosasOther Technician1427717354
- Gabriel RosasBehavior Technician1144010596
- Leslie RosasBehavior Technician1841017761
- Liliana RosasBehavior Technician1588551998
- Roxana RosasBehavior Technician1619654464
- Macrina Rosas RosasInternal Medicine Physician1972290625
- Clifton Rose, PHARMACISTPharmacist1194134742
- Matthew Rose, M.D., PH.D.Neuropathology Physician1184940256
- Stephani Rose, AU.D.Audiologist-Hearing Aid Fitter1144660101
- Charles Rosen, M.D.Orthopaedic Surgery of the Spine Physician1548264013
- Karen Rosen, PTPediatric Physical Therapist1033401492
- Mark Rosen, MDCritical Care Medicine (Internal Medicine) Physician1427108851
- Norman Rosen, M.D.Family Medicine Physician1447349089
- Abraham Rosenbaum, MDAnesthesiology Physician1871543785
- Wendi Rosenblatt, RNC, NPWomen's Health Nurse Practitioner1922008556
- Samuel Rosenfeld, M.DPediatric Orthopaedic Surgery Physician1235167107
- Heidi RosenfieldBehavior Analyst1295277713
- Amanda Rosenthal, LCSW, MSWClinical Social Worker1386761476
- Destiny RoseroBehavior Technician1962235291
- Marjan Roshangar, D.D.S.Dentist1770626012
- Gabrielle Rosiak GallardoBehavior Technician1043904121
- Gabriella Rosil, FNP-CFamily Nurse Practitioner1073147963
- Wesley Rosner, MS, ATCAthletic Trainer1649448176
- Andrew Ross, M.D.Nephrology Physician1932543998
- Christian RossBehavior Technician1417849258
- Michael Ross, RNCase Manager/Care Coordinator1023973724
- Nadia Ross, LCSWClinical Social Worker1801370606
- Randy Ross, M.D.Psychiatry Physician1821110321
- Steven Ross, M.D.Orthopaedic Surgery Physician1558364836
- Tyler RossBehavior Analyst1003314691
- Patricia Rossi, T-SLPSpeech-Language Pathologist1023450020
- Douglas Roszell, RNAdministrator Registered Nurse1003788613
- Rosalind RothBehavior Technician1912833310
- Matthew RoughleySurgical Physician Assistant1801497771
- James Roum, MDCritical Care Medicine (Internal Medicine) Physician1477633626
- Stacy RoumBehavior Technician1639889751
- Shayesteh RounamaBehavior Technician1306524525
- Kaitlyn RoundsBehavior Technician1205704954
- Keith Rourke, MD, FRCSCUrology Physician1922727478
- Jennifer RouxStudent in an Organized Health Care Education/Training Program1699532713
- Peter RowClinical Social Worker1720504715
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.