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 47 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
- Judith Chung, MDMaternal & Fetal Medicine Physician1689629495
- Justin ChungPhysical Therapist1134089634
- Norman ChungOptometrist1154958791
- Richmond Chung, D.M.D.General Practice Dentistry1205014925
- Shaun Chung, MDStudent in an Organized Health Care Education/Training Program1184941304
- Sungmee ChungBehavior Technician1124916143
- Gina ChuongBehavior Technician1447072780
- Dave Chy, CRNACertified Registered Nurse Anesthetist1518253319
- Lucia CiauSchool Psychologist1558104380
- Pierce CicconeStudent in an Organized Health Care Education/Training Program1083309157
- Alexandra Cielo MedinaBehavior Technician1598435182
- Vanessa CiliaBehavior Technician1801754676
- Agnes CiminoSchool Counselor1336087881
- David Ciminski, O.D.Optometrist1396832341
- Danielle Cipollo, DCChiropractor1922702950
- Kimberly Cira, AU.D.Audiologist1861453672
- Catherine CisnerosSchool Counselor1659842201
- Chris CisnerosSchool Counselor1881532281
- Dustin Cisneros, PHDPsychologist1720868227
- Estefania CisnerosBehavior Analyst1134828072
- Sheyla CisnerosBehavior Technician1760212070
- Victor Cisneros, M.D.Emergency Medicine Physician1942732409
- Staphany CitanBehavior Technician1649128521
- Imelda CitrowskiBehavior Technician1679406300
- Stefan Ciurea, MDHematology & Oncology Physician1710149752
- Hannah ClairBehavior Technician1588383962
- Kiran ClairObstetrics & Gynecology Physician1629481908
- James ClancyMarriage & Family Therapist1417875790
- Taylor ClancyAssistant Behavior Analyst1881212546
- Lucia Clara, NPFamily Nurse Practitioner1225700891
- Alexa ClarkBehavior Technician1841902277
- Alisha ClarkStudent in an Organized Health Care Education/Training Program1992506901
- Benjamin ClarkMarriage & Family Therapist1588546436
- Benjamin ClarkBehavior Technician1326988197
- Christopher ClarkBehavior Technician1225731425
- Isabel Clark, M.D.Trauma Surgery Physician1003262510
- Madeline ClarkBehavior Technician1629709340
- Rebekah Clark, NPFamily Nurse Practitioner1851644215
- Samuel ClarkAddiction (Substance Use Disorder) Counselor1134631260
- Christine ClarkeAddiction (Substance Use Disorder) Counselor1639948144
- Xante ClarkeRegistered Nurse1942957485
- Stephanie ClarosMarriage & Family Therapist1841171840
- Daira ClaudioBehavior Technician1376260984
- Fabian ClavijoMarriage & Family Therapist1144573791
- Katherine Claxton, LCSWClinical Social Worker1922479815
- Haylee ClayBehavior Technician1578438404
- Ralph Clayman, MDUrology Physician1336243922
- Valerie ClaytonAddiction (Substance Use Disorder) Counselor1447085741
- Brett Clement, CRNACertified Registered Nurse Anesthetist1447732664
- Gavin CliffordBehavior Technician1912641325
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.