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 31 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
- Jonathan BuiBehavior Technician1760332837
- Kathy BuiBehavior Technician1174391403
- Linh BuiStudent in an Organized Health Care Education/Training Program1952663643
- Maria Criselda BuiCertified Registered Nurse Anesthetist1962023143
- Myphuong BuiPharmacist1437718608
- Nam Bui, DDSDentist1336792068
- Natalie Bui, RNRegistered Nurse1073173506
- Nikki BuiBehavior Technician1891503702
- Quoc Chuong Bui, MDAnesthesiology Physician1235398389
- Ruby BuiBehavior Technician1720954464
- Thanh-Lan Bui, MDStudent in an Organized Health Care Education/Training Program1174264162
- Thien BuiBehavior Technician1336005719
- Tiffany Bui, PA-CPhysician Assistant1154022796
- Tom Bui, PA-CMedical Physician Assistant1093344004
- Tran Bui, BCABABehavior Analyst1902158736
- Kassidy BuisBehavior Technician1538886098
- David BuitronBehavior Technician1851083554
- Szofia Bullain, M.D.Neurology Physician1730418146
- Alejandro Bulnes-MendizabalMarriage & Family Therapist1245918804
- Joshua Bultsma, LMFTMarriage & Family Therapist1669232963
- Morgan BunceBehavior Technician1558126177
- Kristen Bunnell, NP-CFamily Nurse Practitioner1487007530
- Miles BunoanDental Assistant1306311634
- Kristen Buono, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1245573039
- Alex Frances Sophia Buranday, MDStudent in an Organized Health Care Education/Training Program1053171561
- Heather BurbridgePhysical Medicine & Rehabilitation Physician1720852569
- Lisa Burger, CCC-SLPSpeech-Language Pathologist1598742314
- Caleb Burgess, DPTSports Physical Therapist1427456805
- Ivie BurgessBehavior Technician1851186415
- Pearl BurguenoBehavior Technician1891689105
- Aubrey BuringtonBehavior Technician1649084468
- Kristin BurkBehavior Technician1477376150
- Morgan Burke, MDStudent in an Organized Health Care Education/Training Program1265134803
- Pamela BurkeCommunity Health Worker1750007936
- Ruth Burke, RNRegistered Nurse1205238003
- Shelley Burke-Gonalez, RNRegistered Nurse1588512883
- Allyson Burns, RNGeneral Practice Registered Nurse1386806388
- Kevin Burns, M.D.Vascular & Interventional Radiology Physician1174880389
- Makenna Burns, PSYDClinical Psychologist1053891028
- Micayla BurnsBehavior Technician1962225433
- Michael J Burns, MDEmergency Medicine Physician1568542918
- Richard BurnsBehavior Technician1023813433
- James Burris, D.O.Family Medicine Physician1811082415
- Alisa Burroughs-AmenBehavior Technician1649042730
- Ashley BurruelBehavior Technician1962225201
- Sigrid Burruss, M.D.Trauma Surgery Physician1942458013
- Hallie BurshBehavior Technician1083274351
- Arac BurtBehavior Technician1033875141
- Alex BurtonMental Health Counselor1083363469
- Julia Burton, NPFamily Nurse Practitioner1780912782
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.