NPPES file of Aug 9, 2026

Jose Mario D Cuyegkeng Fontanilla, M.D.

Infectious Disease Physician · Roseville, CA

Jose Mario D Cuyegkeng Fontanilla, M.D. is an infectious disease physician with a practice address in Roseville, California, and NPI 1164528469, issued on Sep 15, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164528469
Name
Jose Mario D Cuyegkeng Fontanilla
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
23108 WV
Self-reported in NPPES; status is on the state search
Practice location
1600 Eureka RD, Roseville, CA 95661
Phone
(916) 784-5655
Enumerated
Sep 15, 2006
Record last updated
Jan 3, 2025
Medicaid ID
3810013316 WV
Medicare enrollment
Enrolled (PECOS I20130328000384); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1600 Eureka RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rizwana Abdullah, MDHospitalist Physician1194899401
  2. Uldis AbelePharmacist1619078706
  3. Michael AbughazalehPhysical Therapist1982113502
  4. Mohamad Adada, M.D., PHDHematology & Oncology Physician1528590734
  5. Scott Adams, MDPediatric Hematology & Oncology Physician1013067818
  6. Aleisha Anne Aguilar, NPStudent in an Organized Health Care Education/Training Program1053174953

Verify Jose Mario D Cuyegkeng Fontanilla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

45% more Medicare Part D claims than the average infectious disease physician in 2024

997 Medicare Part D claims for 473 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Jose Mario D Fontanilla997
  2. Specialty average689

Most prescribed

  1. Azithromycin405 claims
  2. Atovaquone-Proguanil Hcl150 claims
  3. Rifampin75 claims
  4. Ethambutol Hcl64 claims
  5. Vancomycin Hcl50 claims
  6. Acetazolamide34 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jose Mario D Cuyegkeng Fontanilla among 1,119 infectious disease physician records in California

Jose Mario D Cuyegkeng Fontanilla, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2001 · median 2003 among the 735 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Ranjani Kalyan, M.D.Roseville, CA 956611669644563
  2. Bilal Naseer, M.DRoseville, CA 956611487770871
  3. Meryl Perez, M.D.Roseville, CA 956611962729251
  4. Javeed Siddiqui, MD, MPHRoseville, CA 956611770563967
  5. Harold Burger, M.D.Mather, CA 956551447251681
  6. Raymond ByunMather, CA 956551578545950
  7. William Mackenzie, M.D.Mather, CA 956551073561601
  8. Barbara Weiser, M.D.Mather, CA 956551164419784

Common questions

What is Jose Mario D Cuyegkeng Fontanilla, M.D.'s NPI number?

Jose Mario D Cuyegkeng Fontanilla, M.D.'s National Provider Identifier (NPI) is 1164528469, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jose Mario D Cuyegkeng Fontanilla, M.D. located?

The NPPES record lists a practice address at 1600 Eureka RD, Roseville, CA, 95661. Phone: (916) 784-5655. Providers update this record themselves, so call before visiting.

How can I verify Jose Mario D Cuyegkeng Fontanilla, M.D.'s license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jose Mario D Cuyegkeng Fontanilla, M.D. prescribe under Medicare Part D?

In 2024, Jose Mario D Cuyegkeng Fontanilla, M.D. had 997 Medicare Part D claims for 473 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.