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 117 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
- Klem KeslerLicensed Vocational Nurse1255172797
- Robin Ketchum, NPCritical Care Medicine Registered Nurse1306041256
- Charles KeylerStudent in an Organized Health Care Education/Training Program1235812561
- Cara Keys, RNRegistered Nurse1285051227
- Victoria KhaBehavior Technician1528850716
- Matvey KhaimovBehavior Technician1851997282
- Behnam Khaleghi, MDRheumatology Physician1154306678
- Ameer Khalek, DO, MPHStudent in an Organized Health Care Education/Training Program1629763040
- Samar KhalifeRehabilitation Practitioner1386205086
- Andrew Khalil, MDStudent in an Organized Health Care Education/Training Program1932993979
- Houda Khalil, MDPediatrics Physician1184326712
- Karim KhalilMarriage & Family Therapist1396354890
- Marina KhalilPharmacist1942164942
- Bhavraj Khalsa, M.D.Vascular & Interventional Radiology Physician1588928378
- Asghar Khan, DDSDentist1952993263
- Ayesha KhanBehavior Technician1477446227
- Bilal Khan, M.D.Diagnostic Radiology Physician1245686815
- Hassan KhanBehavior Technician1568318087
- Imad Khan, M.D.Neurocritical Care Physician1801188669
- Maheen Khan, MDNeurological Surgery Physician1144601386
- Mustafa Khan, M.D.Diagnostic Radiology Physician1316479942
- Nikita KhanBehavior Technician1952006942
- Owais KhanBehavior Technician1376307645
- Soha KhanBehavior Technician1134836760
- Yasar Khan, DDSGeneral Practice Dentistry1043802366
- Yasir Khan, M.D.Internal Medicine Physician1316389265
- Shruti Khandhar, DOHospitalist Physician1205068061
- Anju Khanijou, M.D.Developmental - Behavioral Pediatrics Physician1215091632
- Rajesh Khanijou, M.D.Surgery Physician1548239098
- Carol KhankarPhysical Therapist1124867379
- Parmis Khatibi, PHARM.D.Pharmacotherapy Pharmacist1255484457
- Talayeh Khatibi, M.D.Pediatrics Physician1144514191
- Farokh Khatiblou, DMD DDSPeriodontics1891968335
- Suvidha KhatriDentist1518310408
- Zane KhattabBehavior Technician1215625975
- Leenah KhayatNurse Practitioner1023743986
- Azadeh KhayyatAnatomic Pathology Physician1063162675
- Sheida Khazaii-TabariDentist1386932812
- Noor Khedraki, DDSDentist1003140146
- Aaron Kheriaty, MDPsychiatry Physician1275659039
- Hasen KhiarBehavior Technician1720853054
- Florabelle Khoe, P.T.Physical Therapist1366806416
- Tawny KhongBehavior Technician1386430833
- Feraidoun Khonsari, M.D.Urology Physician1487612560
- Janice Khoo, MDPediatric Gastroenterology Physician1568968253
- Kenneth Khoo, D.D.S.General Practice Dentistry1346423357
- Nima KhoshabStudent in an Organized Health Care Education/Training Program1295315380
- Talat Khoshnoud, RNRegistered Nurse1902996366
- Ashkan KhoshrouGeneral Practice Dentistry1073878435
- Shashi Khosla, DDSDentist1366674434
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.