NPPES file of Aug 9, 2026

Carlos Agapito Fontanez, M.D.

Internal Medicine Physician · Fajardo, PR

Carlos Agapito Fontanez, M.D. is an internal medicine physician with a practice address in Fajardo, Puerto Rico, and NPI 1255403010, issued on Nov 15, 2006. Check the license (Puerto Rico 16110, as entered in NPPES) with the Puerto Rico board that licenses this profession; 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
1255403010
Name
Carlos Agapito Fontanez
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
16110 PR
Self-reported in NPPES; status is on the state search
Practice location
Ave Osvaldo Molina #151, Fajardo, PR 00738
Phone
(787) 801-0081
Enumerated
Nov 15, 2006
Record last updated
Jun 23, 2025
Medicare enrollment
Enrolled (PECOS I20051021000058); 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.
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Also registered at Ave Osvaldo Molina #151

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

  1. Jose Cintron, M.D.Ph.D. Medical Genetics1154474534

Verify Carlos Agapito Fontanez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 16110
    Check 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
Find the Puerto Rico license search

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4.2 times the Medicare Part D claims of the average internal medicine physician in 2024

13,480 Medicare Part D claims for 620 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.

  1. Carlos Fontanez13,480
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,203 claims
  2. Losartan Potassium817 claims
  3. Metformin Hcl730 claims
  4. Gabapentin591 claims
  5. Lisinopril509 claims
  6. Famotidine493 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.

10 internal medicine physician records list a practice address in Fajardo

They are 10 of the 346 NPPES records with a practice address in Fajardo, and 1,146 internal medicine physician records in Puerto Rico.

Other internal medicine physician records in Puerto Rico

  1. Jamil Abou El Hossen Carmona, MDRio Piedras, PR1700575495
  2. Jamil Abouelhossen, MDFajardo, PR1356347538
  3. James Abrams, MDSan Juan, PR1861721789
  4. Fernando Abreu GonzalezSan Juan, PR1437100930
  5. Arlene Abreu Rivera, MDCaguas, PR1801090261
  6. Lourdes Acevedo, M.D.Aguada, PR1487751574
  7. Luis Acevedo Aquino, MDAguadilla, PR1477128999
  8. Sara Acevedo Armaiz, MDCarolina, PR1194731711
  9. Luis Acevedo Soto, MDMayaguez, PR1851084412
  10. Melanie Acevedo Valle, M.D.Aguada, PR1700140357

Common questions

What is Carlos Agapito Fontanez, M.D.'s NPI number?

Carlos Agapito Fontanez, M.D.'s National Provider Identifier (NPI) is 1255403010, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carlos Agapito Fontanez, M.D. located?

The NPPES record lists a practice address at Ave Osvaldo Molina #151, Fajardo, PR, 00738. Phone: (787) 801-0081. Providers update this record themselves, so call before visiting.

How can I verify Carlos Agapito Fontanez, M.D.'s license?

NPPES lists Puerto Rico license number 16110, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Carlos Agapito Fontanez, M.D. prescribe under Medicare Part D?

In 2024, Carlos Agapito Fontanez, M.D. had 13,480 Medicare Part D claims for 620 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.