2026 data CMS NPPES NUCC Taxonomy

Doctors in Orange, CA

Compiled from official public sources by the PlainDoctor editorial team.

Active healthcare providers in Orange sourced from the CMS NPPES weekly file, no proprietary ratings, no editorial scores. NPI counts, specialty distribution, and primary practice addresses refreshed each release.

12,496
Providers
CMS NPPES-registered
20
Specialties
NUCC taxonomy codes
Behavior Technician
Top specialty
3,970 providers
California
State
CA

12,496 healthcare providers across 20 specialties

Orange, California appears in the CMS National Plan and Provider Enumeration System with 12,496 registered healthcare providers spanning 20 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 2023 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 (3,970 clinicians, followed by Student in an Organized Health Care Education/Training Program with 935 and Marriage & Family Therapist with 390). 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 32.1 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.

Within California, Orange ranks #11 of 805 cities tracked by provider count, accounting for 1.3% of the state's registered providers. 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, searching by specialty narrows the 690-taxonomy roster to clinicians with the relevant training, and each provider page links to NPI, state licensing boards, and the NPPES registry for credential verification. 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, so listing details may be out of date; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients. Nothing on this page substitutes for consulting a licensed clinician about your personal health decisions.

12,496
Providers
20
Specialties
#11
of 805 CA cities
1.3%
of CA providers
32.1
Per 100K (state)

Which specialties are most common in Orange

Behavior Technician 3,970
Student in an Organized Health Care Education/Training Program 935
Marriage & Family Therapist 390
Mental Health Counselor 304
Clinical Social Worker 278
Other Technician 261
Internal Medicine Physician 243
Pediatrics Physician 236
Anesthesiology Physician 235
Pharmacist 225
Addiction (Substance Use Disorder) Counselor 190
Physician Assistant 172
Registered Nurse 171
Behavior Analyst 168
Dentist 158
Emergency Medicine Physician 150
Physical Therapist 133
Family Nurse Practitioner 129
Speech-Language Pathologist 128
Diagnostic Radiology Physician 125

Healthcare Providers (Page 53)

Name
Leila De Castro
Psychiatric/Mental Health Registered Nurse
Morin De Dios
Behavior Technician
Carol De Guzman, NP-C
Psychiatric/Mental Health Nurse Practitioner
Denise De Guzman
Behavior Technician
Angela De La Cerda, CATCI
Addiction (Substance Use Disorder) Counselor
Adrian De La Cruz
Day Training/Habilitation Specialist
Cherish De La Cruz, RN, PHN
Community Health Registered Nurse
Emely De La Cruz
Behavior Technician
Leslie De La Flor, FNP-BC
Family Nurse Practitioner
Luis M De La Maza, MD
Anatomic Pathology & Clinical Pathology Physician
Alejandra De La O
Behavior Technician
Vanesa De La O
Behavior Technician
Josefina De La Paz, SLPA
Speech-Language Assistant
Crystal De La Riva
Marriage & Family Therapist
Olivia De La Riva, LCSW
Clinical Social Worker
Tiffany De La Riva, LCSW
Clinical Social Worker
Francia De La Riva-Martinez
Behavior Technician
Desiree De La Rosa
Behavior Technician
Jennifer De La Rosa
Social Worker
Francisco De La Serna, LMFT
Marriage & Family Therapist
Nataly De La Torre
Behavior Technician
Dallas De La Vara, MD
Neurology Physician
David De La Vega
Marriage & Family Therapist
Lucia De La Vega
Gerontology Nurse Practitioner
Justin De Leon
Licensed Psychiatric Technician
Mary De Leon, MSW
Social Worker
Nanci De Leon
Behavior Technician
Steffi Ellein De Leon, OT
Occupational Therapist
Jorge De Leon Mendia
Community Health Worker
Gea De Los Reyes, PHARMD
Pharmacist
Nathalie De Michelis, RN
Administrator Registered Nurse
Alcides De Oliveira, NURSE PRACTITIONER
Family Nurse Practitioner
Gregorio De Perio
Mental Health Counselor
Leslie De Rosas
Behavior Technician
Anthony De Santiago
Behavior Technician
Martin De Santiago
Behavior Technician
Constance De Silva, MD
Psychiatry Physician
K De Silva, MD
Psychiatry Physician
Mandy De Silva
Behavior Technician
Trisha De Souza
Mental Health Counselor
Amer De Veyra, PT, DPT
Physical Therapist
Michael De Virgilio, MD
Student in an Organized Health Care Education/Training Program
Madushka De Zoysa, MD
Obstetrics & Gynecology Physician
Sabrina Dealmeida, MD
Pediatrics Physician
Amir Dean, DMD
Dentist
Erin Dean, M.D.
Internal Medicine Physician
Iman Dean, DMD
Dentist
Margaret Dean
Behavior Technician
Molly Deane, M.D.
Surgery Physician
Wyatt Deane
Behavior Technician

Nearby Cities in California

Other California cities with provider coverage in the CMS NPPES registry.

Compare specialties side-by-side →

Frequently Asked Questions

How many doctors are in Orange, CA?
There are 12,496 registered healthcare providers in Orange, CA, covering 20 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, Mental Health Counselor, Clinical Social Worker. Behavior Technician has the most providers with 3,970.

Provider data from CMS NPPES (download.cms.gov/nppes); specialty classification from NUCC Health Care Provider Taxonomy. PlainDoctor does not rate or rank providers. Methodology · About

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from CMS National Plan and Provider Enumeration System (NPPES). Consult a qualified professional before making decisions based on this data.

Compiled from official public sources by the PlainDoctor editorial team.