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 147 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
- John MartinHearing Instrument Specialist1245749183
- Lashanett MartinBehavior Technician1942927926
- Maddison Martin, PA-SPhysician Assistant1952862385
- Melissa Martin, CADC-IIAddiction (Substance Use Disorder) Counselor1548897374
- Michael MartinBehavior Technician1346949617
- Olivia MartinBehavior Technician1366317604
- Sarah Martin, PHDClinical Psychologist1851990626
- Ella MartinettoStudent in an Organized Health Care Education/Training Program1871434936
- Ada MartinezMarriage & Family Therapist1780256917
- Alexandra MartinezBehavior Technician1841157070
- Allison MartinezBehavior Technician1265167266
- Alyssa MartinezOther Technician1184211724
- Arlene Martinez, MAMarriage & Family Therapist1760733661
- Audrinne MartinezBehavior Analyst1568928075
- Berna MartinezProfessional Counselor1497263677
- Brenda MartinezBehavior Technician1881384741
- Carolina MartinezPeer Specialist1417713710
- Celena MartinezBehavior Technician1104385673
- Cristy MartinezSocial Worker1861216210
- Daciah MartinezBehavior Technician1295373579
- Dailaney MartinezBehavior Technician1558153270
- Daniela MartinezBehavior Technician1841013182
- Dante MartinezBehavior Technician1578295770
- Debra MartinezCommunity Health Worker1942809207
- Dulce MartinezBehavior Technician1790669885
- Elena MartinezCertified Registered Nurse Anesthetist1770943649
- Elle MartinezBehavior Technician1891367991
- Gloria MartinezBehavior Technician1952057291
- Irene MartinezCase Manager/Care Coordinator1386912756
- Isaiah MartinezBehavior Technician1851234611
- Ivonne MartinezMental Health Counselor1033765912
- Jasmin MartinezBehavior Technician1114809522
- Jesse Martinez, LMFTMarriage & Family Therapist1730472747
- Jessica Martinez, OTR/LOccupational Therapist1568138618
- Jessica MartinezStudent in an Organized Health Care Education/Training Program1801741251
- Kai MartinezBehavior Technician1447934542
- Karina MartinezMarriage & Family Therapist1114395746
- Kaylee MartinezBehavior Technician1841075371
- Kimberly MartinezBehavior Technician1164014601
- Lesley MartinezPharmacist1528438165
- Lilia MartinezBehavior Technician1376241075
- Lucia MartinezBehavior Technician1609620921
- Madelyn MartinezBehavior Technician1497623466
- Marcella MartinezBehavior Technician1396401857
- Margarita MartinezBehavior Technician1366179921
- Margarita MartinezBehavior Technician1205601309
- Mariah MartinezBehavior Technician1467221283
- Marlene MartinezBehavior Technician1699699256
- Melanie Martinez, NPWomen's Health Nurse Practitioner1164009783
- Melanie MartinezBehavior Technician1871230755
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.