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 68)

Name
Dayantha Fernando, MD
Vascular & Interventional Radiology Physician
James Fernando
Nurse Practitioner
Rachael Ferraiolo, LCSW
Clinical Social Worker
Nicole Ferrari, LMFT
Marriage & Family Therapist
Dominique Ferraro
Behavior Technician
Evan Ferraro
Other Technician
Camille Ferrer, CPNP
Pediatric Nurse Practitioner
Antoney Ferrey, M.D.
Nephrology Physician
Antonio Ferrey, MD
Family Medicine Physician
Andrea Ferreyra Herrejon
Behavior Technician
Julie Ferris, MD
Diagnostic Radiology Physician
Christopher Ferry, ATC
Athletic Trainer
Alyssa Fessler, FNP
Family Nurse Practitioner
Amanda Fessler, M.A.
Mental Health Counselor
Derek Fiedler
Anesthesiology Physician
Elizabeth Fiedler, MD
Emergency Medicine Physician
Robert Field, M.D.
Anesthesiology Physician
Sarah Field, MD
Allergy Physician
Mercedes Fielding
Behavior Analyst
Katherine Fierling, L.C.S.W.
Mental Health Counselor
Destiny Fierro
Behavior Technician
Kyle Fierro, MD
Emergency Medicine Physician
Carla Figueroa
Behavior Technician
Dennis Figueroa
Behavior Technician
Giovanni Figueroa
Rehabilitation Practitioner
Jenny Figueroa
Behavior Technician
Melissa Figueroa
Behavior Technician
Mylene Figueroa
Behavior Technician
Jessy Fijak
Social Worker
Izaiah Fike
Behavior Technician
Brittany File
Student in an Organized Health Care Education/Training Program
Jennifer Fileto
Day Training/Habilitation Specialist
Catalin Filip, DDS
Dentist
Ciprian Filip, RN
Psychiatric/Mental Health Registered Nurse
Cristian Filip
Licensed Psychiatric Technician
Bernard Filtz, PHARM D.
Pharmacist
Holly Fincher, PH.D.
Psychologist
Esther Fine, M.D.
Otolaryngology Physician
Samantha Finks
Behavior Technician
Jazmine Finley
Marriage & Family Therapist
Richard Finn
Day Training/Habilitation Specialist
Sarah Finn
Mental Health Counselor
Hillary Finnegan
Speech-Language Assistant
Nicole Finney
Student in an Organized Health Care Education/Training Program
Erin Finston, FNP-C
Family Nurse Practitioner
Elio Fiorentini
Marriage & Family Therapist
Randy Fiorentino, M.D.
Obstetrics & Gynecology Physician
Hamed Firoozi, DDS
General Practice Dentistry
Benjamin Fisch
Behavior Technician
Richard Fischel, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician

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.