NPPES file of Aug 9, 2026

Victor Fernando Nazario, M.D.

Internal Medicine Physician · Mayaguez, PR

Victor Fernando Nazario, M.D. is an internal medicine physician with a practice address in Mayaguez, Puerto Rico, and NPI 1396182861, issued on May 23, 2013. Check the license (Puerto Rico 19000, 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
1396182861
Name
Victor Fernando Nazario
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
19000 PR
Self-reported in NPPES; status is on the state search
Practice location
Mayaguez Medical Center, Mayaguez, PR 00680
Phone
(787) 832-1710
Enumerated
May 23, 2013
Record last updated
Jan 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(787) 832-1715
Medicare enrollment
Enrolled (PECOS I20190416002066); 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 Mayaguez Medical Center

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

  1. Brunilda Altieri MercadoClinical Social Worker1124726096
  2. Javier Colon Irizarry, M.D.Urology Physician1760672257
  3. Yarines Garcia RuizClinical Social Worker1639877426
  4. Hector Martinez Gonzalez, M.DInterventional Cardiology Physician1902008352
  5. Priscilla Marty Irizarry, MSWClinical Social Worker1164155560
  6. Frantony Mercado Cabrera, MDInterventional Cardiology Physician1255774832

Verify Victor Fernando Nazario 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 19000
    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

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

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

7,484 Medicare Part D claims for 376 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 39 claims were for opioids.

  1. Victor Nazario7,484
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium311 claims
  2. Losartan Potassium275 claims
  3. Omeprazole273 claims
  4. Gabapentin268 claims
  5. Famotidine266 claims
  6. Rosuvastatin Calcium244 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.

Industry payments in 2024: $71.06

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Victor Nazario$71.06
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Victor Fernando Nazario among 1,146 internal medicine physician records in Puerto Rico

Victor Fernando Nazario, M.D. is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 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 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 33% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2013 · median 1996 among the 595 with a school on file
  • Record last updated2019 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

60 internal medicine physician records list a practice address in Mayaguez

They are 60 of the 1,408 NPPES records with a practice address in Mayaguez, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Urselio Alvarez-Pagan, MDMayaguez, PR 006801457312043
  2. Carrie Baco Brogniez, MDMayaguez, PR 006801740287143
  3. Ivonne Camacho Pastor, MDMayaguez, PR 006801861483141
  4. Alma Corbala Contreras, MDMayaguez, PR 006801457333452
  5. Edwin Goyco, M.D.Mayaguez, PR 006801245221290
  6. Jose Illanas, M.D.Mayaguez, PR 006801225005424
  7. Miguel Maymon Lugo, MDMayaguez, PR 006801295732766
  8. Humberto Olivencia, M.D.Mayaguez, PR 006801346246865

Common questions

What is Victor Fernando Nazario, M.D.'s NPI number?

Victor Fernando Nazario, M.D.'s National Provider Identifier (NPI) is 1396182861, issued on May 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Victor Fernando Nazario, M.D. located?

The NPPES record lists a practice address at Mayaguez Medical Center, Mayaguez, PR, 00680. Phone: (787) 832-1710. Providers update this record themselves, so call before visiting.

How can I verify Victor Fernando Nazario, M.D.'s license?

NPPES lists Puerto Rico license number 19000, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Victor Fernando Nazario, M.D. prescribe under Medicare Part D?

In 2024, Victor Fernando Nazario, M.D. had 7,484 Medicare Part D claims for 376 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.