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 210 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
- Rachel RuizAddiction (Substance Use Disorder) Counselor1649800582
- Sarah Ruiz, PH.D.Clinical Child & Adolescent Psychologist1285294413
- Sophia RuizBehavior Technician1659220853
- Yesenia RuizBehavior Technician1568229128
- Zachariah Ruiz, NONEBehavior Technician1033808100
- Adrian Ruiz MartinezBehavior Technician1386524619
- Santa Ruiz MedinaBehavior Technician1477012953
- Arcel Ruiz TopeteAssistant Behavior Analyst1629535919
- Michael RuminskiSocial Worker1518577352
- Elizabeth Runcie, D.O.Emergency Medicine Physician1871936120
- Herman Rundle, M.D.Ophthalmology Physician1942242326
- Keith Rundle, M.D.Ophthalmology Physician1245267285
- Josh RunleyStudent in an Organized Health Care Education/Training Program1285021030
- Robert Runner, MDAdult Reconstructive Orthopaedic Surgery Physician1134563661
- Winnie Ruo, M.DAnesthesiology Physician1194767988
- Christopher Ruper, LMFTMarriage & Family Therapist1417452194
- Robert Ruper, MDOphthalmology Physician1316992753
- Gail Russell, OTROccupational Therapist1215155932
- Jesse RussellLicensed Psychiatric Technician1568197655
- William Russell, MFTMarriage & Family Therapist1144428756
- Jennefer Russo, M.D.Gynecology Physician1023033081
- Joanne RussoPediatric Physical Therapist1518253004
- Gianny Russo SantiagoCase Manager/Care Coordinator1003526765
- Savannah RustBehavior Technician1205792587
- Tyler RusteBehavior Technician1407779630
- Stacy RusuMarriage & Family Therapist1902352495
- Bret RutledgeBehavior Technician1538739974
- Michael Rutten, M.D.Nephrology Physician1841259041
- Christopher RuvalcabaCommunity Health Worker1922701408
- Estela RuvalcabaMental Health Counselor1902533011
- Kerrisa RuvalcabaBehavior Technician1437709128
- Maricela RuvalcabaBehavior Technician1104775303
- Reese RuvalcabaBehavior Technician1518828326
- Roxanne Ruzicka, M.S.Genetic Counselor (M.S.)1205825908
- Ervin Ruzics, MDTransplant Surgery Physician1285789149
- Dana Ryan, HA.D.Hearing Instrument Specialist1902146673
- Kelly Ryan, LPTLicensed Psychiatric Technician1609269851
- Scott RyanMarriage & Family Therapist1013266451
- Timothy Ryan, M.D.Anesthesiology Physician1295759439
- Tyler Ryan, PA-CPhysician Assistant1750115317
- Victoria RyanBehavior Technician1457167850
- Erika RyckmanStudent in an Organized Health Care Education/Training Program1174325906
- Yena RyooBehavior Technician1528805868
- Katayun Saadai, MDInternal Medicine Physician1225358989
- Faryal Saadat, MS, CCC-SLPSpeech-Language Pathologist1699112706
- Amanda SaariBehavior Technician1114610730
- Bahman Saatian, M.D.Pulmonary Disease Physician1508050865
- John Saavedra, LCSWClinical Social Worker1093891020
- Melissa Saavedra, PTMental Health Counselor1447591151
- Natalie SabaStudent in an Organized Health Care Education/Training Program1891616116
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.