NPPES file of Aug 9, 2026

Mario J. Figueroa Diez, MD

Surgery Physician · San German, PR

Mario J. Figueroa Diez, MD is a surgery physician with a practice address in San German, Puerto Rico, and NPI 1588645840, issued on Nov 11, 2005. Check the license (Puerto Rico 10795, 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
1588645840
Name
Mario J. Figueroa Diez
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
10795 PR
Self-reported in NPPES; status is on the state search
Practice location
Ave. Universidad Inter #112, San German, PR 00683
Phone
(787) 892-1899
Enumerated
Nov 11, 2005
Record last updated
Jul 13, 2026
Fax
(787) 264-0355
Medicare enrollment
Enrolled (PECOS I20100309000890); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 1987
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 Mario J. Figueroa Diez 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 10795
    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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33% fewer Medicare Part D claims than the average surgery physician in 2024

98 Medicare Part D claims for 67 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 40 claims were for opioids.

  1. Mario Figueroa Diez98
  2. Specialty average147

Most prescribed

  1. Tramadol Hcl-Acetaminophen39 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.

Mario J. Figueroa Diez among 230 surgery physician records in Puerto Rico

Mario J. Figueroa Diez, MD is one of 230 surgery physician records with a practice address in Puerto Rico. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 83% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1987 · median 1996 among the 140 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 surgery physician records list a practice address in San German

They are 7 of the 403 NPPES records with a practice address in San German, and 230 surgery physician records in Puerto Rico.

The 8 surgery physician records with the nearest ZIP codes

  1. Julio Izquierdo-Rivera, MDSan German, PR 006831013996719
  2. Roberto Maiz, MDSan German, PR 006831437125713
  3. Manuel Ramirez Soto, MDSan German, PR 006831841281300
  4. Heriberto Sanchez Guzman, M.D.San German, PR 006831780650432
  5. Giselle Suarez Irizarry, MDSan German, PR 006831629069265
  6. Jose M Vargas, MDSan German, PR 006831306820147
  7. Osvaldo Cardona Gonzalez, MDMayaguez, PR 006821336646207
  8. Luis Ramirez Ferrer, MDMayaguez, PR 006821427116797

Common questions

What is Mario J. Figueroa Diez, MD's NPI number?

Mario J. Figueroa Diez, MD's National Provider Identifier (NPI) is 1588645840, issued on Nov 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mario J. Figueroa Diez, MD located?

The NPPES record lists a practice address at Ave. Universidad Inter #112, San German, PR, 00683. Phone: (787) 892-1899. Providers update this record themselves, so call before visiting.

How can I verify Mario J. Figueroa Diez, MD's license?

NPPES lists Puerto Rico license number 10795, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Mario J. Figueroa Diez, MD prescribe under Medicare Part D?

In 2024, Mario J. Figueroa Diez, MD had 98 Medicare Part D claims for 67 beneficiaries; the average among surgery physician prescribers was 147. 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.