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 92 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
- Axel GuzmanBehavior Technician1689538704
- Diana Guzman, LPTLicensed Psychiatric Technician1184203424
- Joseph Guzman, MDStudent in an Organized Health Care Education/Training Program1821583550
- Juan GuzmanBehavior Technician1649124652
- Kristiana GuzmanMental Health Counselor1922696111
- Lorena GuzmanBehavior Technician1033645890
- Stephanie GuzmanBehavior Technician1467175406
- Angelica Guzman BonillaBehavior Technician1942033584
- Crhistin Guzman ChavarriasBehavior Technician1366312282
- Giovanni Guzman MarquezBehavior Technician1275231342
- Alexa Guzman SanchezOther Technician1124600622
- Leslie Guzman-RamirezBehavior Technician1235831298
- Valerie Guzzo, AU.D.Audiologist1528319803
- Walter GwathneyBehavior Technician1548109796
- Monika Gyulai, DDSGeneral Practice Dentistry1548452386
- Ewans HaOther Technician1467036210
- Hailey HaBehavior Technician1881232171
- Iris HaBehavior Technician1972454973
- Jefferson HaPharmacist1336736693
- June Ha, PT, DPTPhysical Therapist1689076622
- Mylan HaAssistant Behavior Analyst1275120818
- Nancy Ha, MDAnesthesiology Physician1811518798
- Sally Haas, MDNeonatal-Perinatal Medicine Physician1245418201
- Linda Haase, FNPFamily Medicine Physician1699867242
- Jennifer HabanaBehavior Technician1922831106
- Vanessa HaberBehavior Technician1952968596
- Ali Habib, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1518124288
- Madina HabibBehavior Analyst1437806882
- Mera HabibBehavior Technician1003768110
- Ahmad HabibiHearing Instrument Specialist1154584738
- Colbert HacNurse Practitioner1548047756
- Tea HadaBehavior Technician1982490108
- Anastasia Haddad, MDInternal Medicine Physician1578067682
- Andrew HaddadStudent in an Organized Health Care Education/Training Program1700639226
- Henry HaddadBehavior Technician1356219786
- Debbie HadleyRegistered Nurse1821755786
- Janet HadleyCase Manager/Care Coordinator1861761165
- Madeline HaecklBehavior Technician1326889122
- Celeste HagenBehavior Technician1801485644
- Carolyn Hagerty, AMFTMarriage & Family Therapist1568381960
- Bijan Haghighi, M.D.Anatomic Pathology & Clinical Pathology Physician1790868909
- Brandon Haghverdian, M.D.Orthopaedic Foot and Ankle Surgery Physician1851827661
- Justin Haghverdian, MDOrthopaedic Foot and Ankle Surgery Physician1073001962
- Garo HagopianStudent in an Organized Health Care Education/Training Program1154907699
- Isabella HagopianBehavior Technician1356227946
- Berhane Hagos, MDEmergency Medicine Physician1790421907
- Andrew HahnBehavior Technician1831027762
- Luke Hahn, M.D.Student in an Organized Health Care Education/Training Program1760800262
- Ali Jaafar HaidarStudent in an Organized Health Care Education/Training Program1386583425
- Yarah Haidar, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1851736235
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.