NPPES file of Aug 9, 2026

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 33 of 61.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

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

  1. Cylest Lyles, AMFTMarriage & Family Therapist1508102575
  2. Sara LynchAthletic Trainer1689198905
  3. Hisham Maassarani, CRNACertified Registered Nurse Anesthetist1043788615
  4. Andrew Macelroy, RNRegistered Nurse1164344628
  5. Alan Machado, DDSGeneral Practice Dentistry1114806635
  6. Diane MaciasSchool Counselor1902769557
  7. Eduardo Macias, M.D.Ophthalmology Physician1871539130
  8. Madahi MaciasMarriage & Family Therapist1023555653
  9. Douglas Mack, MDPhysical Medicine & Rehabilitation Physician1124195045
  10. Tara Mackie, LCSWClinical Social Worker1730773490
  11. Heather Maddox, RN, CRNACertified Registered Nurse Anesthetist1063981512
  12. Nancy MadiPharmacist1649754045
  13. Erica Madiedo, M.A., CCC-AAudiologist-Hearing Aid Fitter1124250972
  14. Lisa Madison, AUDAudiologist1336265578
  15. Kimberly Madorsky, PA-CPhysician Assistant1912152380
  16. Jennifer MadridHealth Educator1235019688
  17. Julio Madrid, RDADental Assistant1306233903
  18. Ivan Madzarevic, D.D.S.General Practice Dentistry1992079230
  19. Sylvia Magallanes, CNM, RNP, MSObstetrics & Gynecology Nurse Practitioner1043345945
  20. Cecilia MaganaMaternal Newborn Registered Nurse1912851957
  21. Jose Magana, M.D.Family Medicine Physician1821335118
  22. Niranjan Maganti, M.D.Anesthesiology Physician1295148252
  23. Emma Magbanua, PT, DPTPhysical Therapist1467285379
  24. Vivien Maghiran, DDSGeneral Practice Dentistry1508957309
  25. Nicole Magpayo, M.D.Student in an Organized Health Care Education/Training Program1609263813
  26. Paul Maguire, MDOphthalmology Physician1013084938
  27. Denise Mah, FNP-BCFamily Nurse Practitioner1083114508
  28. Robert Mah, DOFamily Medicine Physician1871876995
  29. Whitney MahSpeech-Language Pathologist1023629979
  30. Aster Mahmood, MDStudent in an Organized Health Care Education/Training Program1740468859
  31. Wajeha MahmoudStudent in an Organized Health Care Education/Training Program1417641457
  32. Barbara Mahoney, RNPAdult Health Nurse Practitioner1578560199
  33. Aimee Maiava, PHARMDPharmacist1144588344
  34. Rahul Maini, MDChild & Adolescent Psychiatry Physician1831891803
  35. Kathryn Maiorano, PA-CPhysician Assistant1770910770
  36. Carly Maitlen, RDRegistered Dietitian1447427455
  37. Jason Mak, MDNephrology Physician1851450456
  38. Mhd Hazem Makhsida, DDS. MSOrthodontics and Dentofacial Orthopedics Dentistry1508042599
  39. Smita Malhotra, M.D.Pediatrics Physician1649437310
  40. Jeremiah MalinsCommunity Health Worker1528938412
  41. Jennifer MalonePeer Specialist1275199770
  42. Valencia MaloneLicensed Vocational Nurse1013552660
  43. Ruth Maloney, M.F.T.Mental Health Counselor1427198035
  44. Ravindhra Mamilla, MDObstetrics & Gynecology Physician1679883300
  45. Sonty Man, M.D.Obstetrics & Gynecology Physician1528351145
  46. Sherine Manalo-Brosas, R.P.T.Physical Therapist1679753743
  47. Natasha Mandolang, PT, DPTPhysical Therapist1528579992
  48. Rainier Mangali, MPTPhysical Therapist1659594620
  49. Amreen Maniar, DOPsychiatry Physician1770161317
  50. Premalata Manickam, M.D.Pediatrics Physician1154353654

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

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.