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 255 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
- Alexandra WeilandSpeech-Language Pathologist1144166018
- Anastasia Weiland, MDInfectious Disease Physician1104449834
- Denise Weinberg, N.P.Family Nurse Practitioner1568924793
- Keith Weiner, M.D.Pediatric Cardiology Physician1023034733
- Carl Weinert, MDPediatric Orthopaedic Surgery Physician1710939681
- Nina Weinstein, PHARM DPharmacist1942578075
- Jamie Weir, LMFTMarriage & Family Therapist1578975504
- Carla Weis, M.D.Neonatal-Perinatal Medicine Physician1588693006
- Allan Weiss, DPM A PROFESSIONALPodiatrist1962467209
- Irene WeissClinical Social Worker1407734692
- John Weiss, MDNeurology Physician1467546721
- Madeleine Weiss, MDStudent in an Organized Health Care Education/Training Program1124887690
- Daniel Weissberg, M.D.Diagnostic Radiology Physician1679572192
- Martin Weissman, M.D.Urology Physician1629096862
- Noah WeissmannCommunity Health Worker1295589604
- Ashlee Weisz, LMFTMarriage & Family Therapist1356700165
- Daniel Weitz, MDStudent in an Organized Health Care Education/Training Program1578323614
- Valentine WelchBehavior Technician1194409771
- Eric Wellmeyer, M.D.Anesthesiology Physician1396766846
- Exzandrea WellsBehavior Technician1477402170
- Marissa WellsAddiction (Substance Use Disorder) Counselor1013883412
- Trevor Wells, MDPsychiatry Physician1639497985
- Jonathan WeltStudent in an Organized Health Care Education/Training Program1316683964
- Bryan WenBehavior Technician1033093638
- Jasmine WengBehavior Technician1861389165
- Renee Weng, PHARM.D.Pharmacotherapy Pharmacist1235151176
- Chloe WengerSocial Worker1801569991
- Megan WernerBehavior Technician1619671534
- Joseph Wertz, MD, MPHStudent in an Organized Health Care Education/Training Program1114782208
- George Wesley, M.D.Cardiovascular Disease Physician1013942986
- Tatianna WesleyBehavior Technician1194422139
- Marina WessaBehavior Technician1558084897
- Carol WestMental Health Counselor1982966107
- John West, M.D.Specialist1235199274
- Justin West, MDPlastic and Reconstructive Surgery Physician1376791616
- Lauren WestMental Health Counselor1164731386
- Ryan WestLicensed Vocational Nurse1235715665
- Shannon WestbrookRehabilitation Practitioner1841846466
- Kylie WestergaardBehavior Technician1730977216
- Andrea Westlove, SLPSpeech-Language Pathologist1730245531
- Destiny WestneyMental Health Counselor1558160184
- Danielle Whalen, M.D.Neurology with Special Qualifications in Child Neurology Physician1588018436
- Mimi Whang, RNRegistered Nurse1891030854
- Sarah Whang, MDOphthalmology Physician1306841457
- Candice Whealon, R.N., FNP-CNurse Practitioner1790830404
- Kari Wheeler, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1578349536
- Jade WhelchelBehavior Technician1730647447
- Jessica WhinerySonography Radiologic Technologist1558192526
- Alexandra White, PA-CPhysician Assistant1982305751
- Ariel WhiteBehavior Technician1356800841
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.