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 137 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
- Jeannie Lochhead, MDPsychiatry Physician1356617658
- Rachel Locke, MDUrology Physician1699352070
- Dasie LockettBehavior Technician1841006244
- Michelle LockingtonBehavior Technician1093682106
- Annalise LockwoodBehavior Technician1063396877
- Jennifer LockwoodBehavior Technician1902511991
- Jill Lockwood, M.A.Audiologist1780661017
- Angie LoeraBehavior Technician1780316125
- Pamela Loera, MSN, RN, PHN, CWOCNWound Care Registered Nurse1124947684
- Evelyn Loeza PinaBehavior Technician1306525498
- Halena LofeBehavior Technician1386596856
- Bradley LogueAddiction (Substance Use Disorder) Counselor1083413298
- Ameryl Loi, MDStudent in an Organized Health Care Education/Training Program1497515290
- Christina Lolachi, PA-CPhysician Assistant1679648547
- Jerica Lomax, D.O.Neurology Physician1619401031
- David Lombardi, MDNeurology Physician1750369377
- Corinne LombardoBehavior Technician1255039624
- Dawn Lombardo, DOAdvanced Heart Failure and Transplant Cardiology Physician1205944485
- Rosy LomeliBehavior Technician1285441279
- Sonia LomeliDay Training/Habilitation Specialist1336856574
- Violeta Lomeli, BCBABehavior Analyst1972189892
- Mary Londono, MDStudent in an Organized Health Care Education/Training Program1023861325
- Ashley Lonergan, MDStudent in an Organized Health Care Education/Training Program1881223071
- Mark Lones, M.D.Anatomic Pathology & Clinical Pathology Physician1780752139
- Allison LongSocial Worker1134547631
- Emily Long, MDPlastic Surgery Physician1366067050
- Eugennia LongMental Health Counselor1396874111
- Rickey LongAddiction (Substance Use Disorder) Counselor1649847096
- Simon Long, MDVascular & Interventional Radiology Physician1285900787
- Warren LongacreRehabilitation Practitioner1518137322
- Ahmed LongmireBehavior Technician1851253256
- Teresa Longoria, MDStudent in an Organized Health Care Education/Training Program1619283777
- Patrick LooPediatric Pharmacist1417406828
- Alexander Lopez, MD, MSStudent in an Organized Health Care Education/Training Program1538788682
- Alexandra Lopez, LPCCMental Health Counselor1578077186
- Annette LopezBehavior Technician1285389155
- April Lopez, D.C.Rehabilitation Chiropractor1952518581
- Aris LopezOther Technician1124782610
- Balbino Lopez, MDAnesthesiology Physician1093081705
- Beatriz LopezBehavior Technician1780488627
- Brandon LopezBehavior Technician1861291973
- Bridgitte LopezBehavior Technician1578221065
- Candice LopezBehavior Technician1891257564
- Cassandra Lopez, MS, RBTBehavior Technician1083213680
- Ceanna LopezBehavior Technician1154267599
- Cesar Lopez, NPGerontology Nurse Practitioner1467180745
- Cynthia LopezCommunity Health Worker1578970737
- Denise LopezBehavior Technician1356170666
- Denisse LopezBehavior Technician1750043683
- Esmeralda LopezBehavior Technician1659036622
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.