NPPES file of Aug 9, 2026

Federico J. Gregory-Gonzalez, M.D.

Internal Medicine Physician · Guaynabo, PR

Federico J. Gregory-Gonzalez, M.D. is an internal medicine physician with a practice address in Guaynabo, Puerto Rico, and NPI 1376675843, issued on Mar 11, 2007. Check the license (Puerto Rico 14704, 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
1376675843
Name
Federico J. Gregory-Gonzalez
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
14704 PR
Self-reported in NPPES; status is on the state search
Practice location
Cond Madreselva, Guaynabo, PR 00968
Phone
(787) 671-6376
Enumerated
Mar 11, 2007
Record last updated
Mar 7, 2023
Medicare enrollment
Enrolled (PECOS I20070418000274); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Federico J. Gregory-Gonzalez 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 14704
    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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

6,865 Medicare Part D claims for 943 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Federico Gregory-Gonzalez6,865
  2. Specialty average3,176

Most prescribed

  1. Famotidine1,373 claims
  2. Esomeprazole Magnesium828 claims
  3. Dexlansoprazole Dr700 claims
  4. Sucralfate684 claims
  5. Pantoprazole Sodium521 claims
  6. Glycopyrrolate486 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: $413.26

6 payments; by number, the most common kind was 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. Federico Gregory-Gonzalez$413.26
  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.

Bills Medicare through one group practice

  1. Recinto DE Ciencias MedicasCarolina, PR

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

Federico J. Gregory-Gonzalez among 1,146 internal medicine physician records in Puerto Rico

Federico J. Gregory-Gonzalez, 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 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 41% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2007 · median 1996 among the 595 with a school on file
  • Record last updated2023 · 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).

28 internal medicine physician records list a practice address in Guaynabo

They are 28 of the 2,143 NPPES records with a practice address in Guaynabo, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Roldan Cabret, MDGuaynabo, PR 009681336170521
  2. Jose IrizarryGuaynabo, PR 009681720617152
  3. Rolando Blanco-Cuadra, M.D.Guaynabo, PR 009691881626182
  4. Jose Caldera Nieves, MDGuaynabo, PR 009691083784805
  5. Litza Camunas, MDGuaynabo, PR 009691619070570
  6. Zhahedia Fort, MDBayamon, PR 009691447228499
  7. Maria Lopez, M.D.Guaynabo, PR 009691487678264
  8. Johanna Martinez, M.D.Guaynabo, PR 009691033105580

Common questions

What is Federico J. Gregory-Gonzalez, M.D.'s NPI number?

Federico J. Gregory-Gonzalez, M.D.'s National Provider Identifier (NPI) is 1376675843, issued on Mar 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Federico J. Gregory-Gonzalez, M.D. located?

The NPPES record lists a practice address at Cond Madreselva, Guaynabo, PR, 00968. Phone: (787) 671-6376. Providers update this record themselves, so call before visiting.

How can I verify Federico J. Gregory-Gonzalez, M.D.'s license?

NPPES lists Puerto Rico license number 14704, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Federico J. Gregory-Gonzalez, M.D. prescribe under Medicare Part D?

In 2024, Federico J. Gregory-Gonzalez, M.D. had 6,865 Medicare Part D claims for 943 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.