NPPES file of Aug 9, 2026

Roberto E. Maiz, MD

Surgery Physician · San German, PR

Roberto E. Maiz, MD is a surgery physician with a practice address in San German, Puerto Rico, and NPI 1437125713, issued on Feb 27, 2006. Check the license (Puerto Rico 12998, 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
1437125713
Name
Roberto E. Maiz
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
12998 PR
Self-reported in NPPES; status is on the state search
Practice location
100 Calle Hernan Alvarez, San German, PR 00683
Phone
(787) 892-3318
Enumerated
Feb 27, 2006
Record last updated
Jul 30, 2025
Fax
(787) 892-9290
Medicare enrollment
Enrolled (PECOS I20051202000410); accepts Medicare assignment
Medical or professional school
Ponce School Of Medicine, 1996
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 100 Calle Hernan Alvarez

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

  1. David Bermudez Nunez, MDCardiovascular Disease Physician1215970405
  2. Ramon Davila Ortiz, M.D.Orthopaedic Trauma Physician1497743348
  3. Hostos Fernandez Caamano, M.D.Obstetrics & Gynecology Physician1316000458
  4. Carlos Grana, DMDDentist1275618605
  5. Eddanys Martinez, M.D.Internal Medicine Physician1407831514

Verify Roberto E. Maiz 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 12998
    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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12% more Medicare Part D claims than the average surgery physician in 2024

165 Medicare Part D claims for 99 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Roberto Maiz165
  2. Specialty average147

Most prescribed

  1. Tramadol Hcl-Acetaminophen42 claims
  2. Cefadroxil33 claims
  3. Cephalexin25 claims
  4. Ciprofloxacin Hcl13 claims
  5. Amoxicillin-Clavulanate Potass12 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.

Roberto E. Maiz among 230 surgery physician records in Puerto Rico

Roberto E. Maiz, 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 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 49% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1996 · median 1996 among the 140 with a school on file
  • Record last updated2025 · 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. Mario Figueroa Diez, MDSan German, PR 006831588645840
  2. Julio Izquierdo-Rivera, MDSan German, PR 006831013996719
  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 Roberto E. Maiz, MD's NPI number?

Roberto E. Maiz, MD's National Provider Identifier (NPI) is 1437125713, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roberto E. Maiz, MD located?

The NPPES record lists a practice address at 100 Calle Hernan Alvarez, San German, PR, 00683. Phone: (787) 892-3318. Providers update this record themselves, so call before visiting.

How can I verify Roberto E. Maiz, MD's license?

NPPES lists Puerto Rico license number 12998, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Roberto E. Maiz, MD prescribe under Medicare Part D?

In 2024, Roberto E. Maiz, MD had 165 Medicare Part D claims for 99 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.