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 32 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
- Kimberly Burton, PA-CMedical Physician Assistant1073651238
- Lindsay BurtonObstetrics & Gynecology Physician1679008650
- Justin Busch, M.D.Anesthesiology Physician1518288042
- Diana Bush, PMHNPPsychiatric/Mental Health Nurse Practitioner1104472174
- Emily BushClinical Social Worker1164890703
- Gwendolyn Bush IbekweAddiction (Substance Use Disorder) Counselor1154218758
- Jenni Busse, LPCCProfessional Counselor1295480820
- Ani Bussel, M.D.Hospitalist Physician1104211176
- Jordyn BustamenteAddiction (Substance Use Disorder) Counselor1285301457
- Robert Buster, M.D.Geriatric Medicine (Internal Medicine) Physician1841343076
- Jazmine Clare BustosPediatric Nurse Practitioner1154829794
- Jimmy BustosSpeech-Language Pathologist1396047841
- Julia BustosBehavior Technician1467305953
- Rosario BustosBehavior Technician1871288654
- Victoria BustosBehavior Technician1154086296
- Yeraldet Bustos, M.S. PPSSchool Counselor1467390823
- Brooke ButlerBehavior Technician1871464685
- Chante ButlerStudent in an Organized Health Care Education/Training Program1124967146
- Jennifer Butler, MDObstetrics Physician1598780769
- John A Butler, MDSurgical Oncology Physician1902986094
- Stephanie Buttacavoli, LCSWClinical Social Worker1831370725
- Matthew Butteri, M.D.Hospitalist Physician1558488700
- Dana ButtlarSpeech-Language Pathologist1538522735
- Aaron BuzonBehavior Technician1467011742
- Donald Byrd, LCSWClinical Social Worker1336624436
- Hayley ByrdPsychiatric/Mental Health Registered Nurse1558851477
- John ByrneRehabilitation Practitioner1225335813
- Timothy Byun, MDHematology & Oncology Physician1871545012
- Young Mok ByunSocial Worker1588364269
- Angela Cabada ReyesBehavior Technician1407719156
- Conralyn Cabalbag, MS, RD, CSRRegistered Dietitian1710507116
- Catherine CabalesBehavior Technician1467349597
- Ashley CaballeroBehavior Technician1063251338
- Iliana CaballeroBehavior Technician1093606212
- Sylvia CaballeroAddiction (Substance Use Disorder) Counselor1942485255
- Divani Caballero VanegasBehavior Technician1134926124
- Mitzi Cabaltica, NPPsychiatric/Mental Health Registered Nurse1083858401
- Brandee CabanasBehavior Technician1346924602
- Jason Caberto, D.O.Hospitalist Physician1144592924
- Sarah CabinessBehavior Technician1003469180
- William Cable, MDNeurology Physician1548340631
- Efren CabotajeBehavior Technician1477319671
- Everardo Cabral, LCSWClinical Social Worker1851554950
- Adriana Cabrales, PHDStudent in an Organized Health Care Education/Training Program1093690505
- Maria Liza CabreaOccupational Therapy Assistant1285023861
- Alex CabreraBehavior Technician1568286805
- Casandra CabreraBehavior Technician1629927025
- Cristal CabreraAddiction (Substance Use Disorder) Counselor1548023724
- Rosemary CabreraBehavior Technician1710678420
- Samantha CabreraBehavior Technician1972290310
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.