Doctors and health care providers in Fontana, CA
3,012 individual NPPES records list a practice address in Fontana, 77th of 812 California cities. The largest group is pharmacist: 227, 8% of the city's records, against 3% across California. Page 8 of 61.
The 8 largest groups in Fontana
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Fontana in California
- Rank in California77th of 812 cities by records
- Share of the state0.3% of California's records
- Specialties present25 or more taxonomy codes
- Top three groups20.5% of all records
Compared with California as a whole, Fontana has 7.8× the state's share of certified registered nurse anesthetist records and 0.26× its share of behavior technician records.
Providers in Fontana, alphabetically
- Eugene Caine, MDAddiction Medicine (Internal Medicine) Physician1730256694
- Alyssa CalderonMarriage & Family Therapist1275065393
- Charlyne CalderonBehavior Technician1881555829
- Victor Calderon, D.C.Rehabilitation Chiropractor1306271291
- Natalie Calderon Moultrie, AU.D.Audiologist1063826774
- Willy Calingasan, CRNACertified Registered Nurse Anesthetist1952502833
- Rosemary Callopy, MFTClinical Social Worker1194929232
- James Calma, PHARMDPharmacist1568135143
- Andrei Calugaru, RN, CRNACertified Registered Nurse Anesthetist1316353543
- Stephanie Calvillo, DDSGeneral Practice Dentistry1730468695
- Maria Camarena, MFTIMarriage & Family Therapist1407212947
- Andrew Camargo, FNP-CFamily Nurse Practitioner1164318622
- Luis Cambero, DDSGeneral Practice Dentistry1104955244
- Alvie Camino, O.T.Physical Rehabilitation Occupational Therapist1558504480
- Krystal Campbell, LCSWClinical Social Worker1417520156
- Nicolette Campbell, PA-CPhysician Assistant1194584300
- Cynthia CamposBehavior Technician1023759511
- Maricela Campos, LVNLicensed Vocational Nurse1548120132
- Pedro CamposOccupational Therapist1013307354
- April CanaanPharmacist1326369992
- Abigail CanedoCommunity Health Worker1225805658
- Kristen CanonesStudent in an Organized Health Care Education/Training Program1700764297
- Alexander Cao, PHARM.D.Pharmacotherapy Pharmacist1891786869
- Suzanne CaoObstetrics & Gynecology Physician1013257609
- Christine Capella, MSWBehavior Analyst1497238018
- Greg Capestany, MDEmergency Medicine Physician1134277007
- Karen Capozzi, CRNACertified Registered Nurse Anesthetist1851430540
- Tatiana CarbajalBehavior Technician1730754730
- Cedelia CardenasAdult Psychiatric/Mental Health Registered Nurse1073144549
- Herminia Cardenas, LVNLicensed Vocational Nurse1629765904
- Alberto Cardona, M.D.Student in an Organized Health Care Education/Training Program1821443938
- Stella Carlos, R.D.Registered Dietitian1003930322
- Christine Carlson, MDFamily Medicine Physician1386612299
- Nathan Carlson, M.D.Family Medicine Physician1144212929
- Carolyn CarlucciPhysical Therapist1437375755
- Rebecca Carpio-Darshay, NPFamily Nurse Practitioner1649459652
- Joycelyn CarrPeer Specialist1932664794
- Sayra Carrazco MendozaSocial Worker1457718074
- Gisela CarrilloBehavior Technician1801540042
- Angela Carrillo SeguraPharmacy Technician1144955600
- Carl CarsonStudent in an Organized Health Care Education/Training Program1689251241
- Hazel Carter, OTOccupational Therapist1225251317
- Keena CarterClinical Social Worker1851873939
- Lasheena Carter, LVNLicensed Vocational Nurse1639853492
- Marvin CarterClinical Social Worker1184548604
- Janna Casillas, PSYDPsychologist1235904111
- Myrna Casillas-HarrisCase Manager/Care Coordinator1811130941
- Sylvain Casimir, PHARM.D.Oncology Pharmacist1376820407
- Milagros Castaneda, DMDGeneral Practice Dentistry1134257140
- Galilea CastellanosBehavior Technician1932971660
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
How to read this directory
Fontana, California appears in the CMS National Plan and Provider Enumeration System with 3,012 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 Fontana - 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 Fontana 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 Fontana is weighted toward Pharmacist (227 clinicians, followed by Family Medicine Physician with 198 and Student in an Organized Health Care Education/Training Program with 193). 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, Fontana reports roughly 7.7 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, Mental Health Counselor is the most prominent one with no provider currently listing a Fontana practice address, a coverage gap Fontana patients typically fill by traveling to a larger nearby hub.
For Fontana 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 Fontana, CA?
There are 3,012 registered healthcare providers in Fontana, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Fontana?
The most common specialties in Fontana are Pharmacist, Family Medicine Physician, Student in an Organized Health Care Education/Training Program, Behavior Technician, Internal Medicine Physician. Pharmacist has the most providers with 227.
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.