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 193 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
- Dennis Poole, DCChiropractor1114000692
- Amanda PoonBehavior Technician1285413310
- Valerie Pooudomsak, MDPsychiatry Physician1861017873
- Adrian Pop, O.D.Optometrist1073642609
- Andrei Popa, DMDDentist1801807003
- Otilia PopaStudent in an Organized Health Care Education/Training Program1417715772
- Patrick Popa, M.D.Emergency Medicine Physician1285961896
- Jenna Pope, MFTI #73052Marriage & Family Therapist1336551597
- Tiffani PopeCase Manager/Care Coordinator1477237907
- Melody PopocaBehavior Technician1003624925
- William Porath, D.C.Chiropractor1659696748
- Mary Porcella, OTR/LOccupational Therapist1255662367
- Cynthia Porco, R.N.Diabetes Educator Registered Nurse1972680171
- Madonna PornobiBehavior Technician1801414305
- Angel PorrasBehavior Technician1184594012
- Carlos PorrasBehavior Technician1164981650
- Natoshyana PorterBehavior Technician1982327920
- Piper PorterBehavior Technician1568281871
- Steven PorterAddiction (Substance Use Disorder) Counselor1750953956
- Susanne Porter, NPNurse Practitioner1215924592
- Pedro Portes, ACNPNurse Practitioner1316375744
- Abigail PortilloBehavior Technician1083273452
- Paulina PortilloBehavior Technician1841940533
- Emely Portillo-SegoviaClinical Social Worker1144834029
- Manuel Porto, MDMaternal & Fetal Medicine Physician1497838916
- Rebecca Post, MDMaternal & Fetal Medicine Physician1558755934
- Maxine PostelCounselor1649554718
- Steven Potkin, M.D.Psychiatry Physician1730213133
- Anthoula Poulakos, PHDPsychologist1831976380
- Danielle Poulin, NPNurse Practitioner1235380502
- Pouyan Pouresfandiari, DOFamily Medicine Physician1487348652
- Ali PournazarPhysical Therapy Assistant1174911689
- Melina PouyaBehavior Technician1104750751
- Nicole Powch, CRNACertified Registered Nurse Anesthetist1245611904
- Briana PowellStudent in an Organized Health Care Education/Training Program1205505260
- Gregory Powell, MDEmergency Medicine Physician1669834610
- Jessica PowellCase Manager/Care Coordinator1467062661
- Thomas Powell, MDRheumatology Physician1790742054
- Kate PowersBehavior Technician1518728211
- Kellie Poynter, M.A.Clinical Neuropsychologist1245663285
- Itzayana PradoDay Training/Habilitation Specialist1043935745
- Chiragkumar Prajapati, DDSDentist1356781728
- Noah PratzBehavior Technician1669201463
- Sandra Preasmyer, NPFamily Nurse Practitioner1053430181
- Carlos PreciadoBehavior Technician1912826900
- Adrian Preda, M.D.Psychiatry Physician1699833491
- Elizabeth PreijersBehavior Technician1497646574
- Jayme PreijersBehavior Technician1619609120
- Tara PrendevilleMental Health Counselor1992445464
- Mya PrenticeBehavior Technician1124915533
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.