NPPES file of Aug 9, 2026

Carlos Alberto Grana, DMD

Dentist · San German, PR

Carlos Alberto Grana, DMD is a dentist with a practice address in San German, Puerto Rico, and NPI 1275618605, issued on Oct 26, 2006. Check the license (Puerto Rico 1832, 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
1275618605
Name
Carlos Alberto Grana
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
1832 PR
Self-reported in NPPES; status is on the state search
Practice location
100 Calle Hernan Alvarez, San German, PR 00683
Phone
(787) 264-2810
Enumerated
Oct 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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. Roberto Maiz, MDSurgery Physician1437125713
  5. Eddanys Martinez, M.D.Internal Medicine Physician1407831514

Verify Carlos Alberto Grana 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 1832
    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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27% more Medicare Part D claims than the average dentist in 2024

109 Medicare Part D claims for 83 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Carlos Grana109
  2. Specialty average86

Most prescribed

  1. Amoxicillin48 claims
  2. Amoxicillin-Clavulanate Potass25 claims
  3. Naproxen Sodium21 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.

Carlos Alberto Grana among 462 dentist records in Puerto Rico

Carlos Alberto Grana, DMD is one of 462 dentist records with a practice address in Puerto Rico. 67% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Puerto Rico

There are 462 dentist records in Puerto Rico.

The 8 dentist records with the nearest ZIP codes

  1. Jorge Pagan-LugoSan German, PR 006831265493480
  2. Laura Velez Velez, DMDSan German, PR 006831215562590
  3. Reinaldo Deliz, DMDMayaguez, PR 006821700887080
  4. Cynthia Guzman, DMDMayaguez, PR 006821831395920
  5. Gabriel Lizardo Juliao, DMDMayaguez, PR 006821861374209
  6. Rhaiza Martinez-Velez, MS, DMDMayaguez, PR 006821538805221
  7. Daniel Martir, DMDMayaguez, PR 006821639596463
  8. Ashley Rosario CruzMayaguez, PR 006821770231227

Common questions

What is Carlos Alberto Grana, DMD's NPI number?

Carlos Alberto Grana, DMD's National Provider Identifier (NPI) is 1275618605, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carlos Alberto Grana, DMD located?

The NPPES record lists a practice address at 100 Calle Hernan Alvarez, San German, PR, 00683. Phone: (787) 264-2810. Providers update this record themselves, so call before visiting.

How can I verify Carlos Alberto Grana, DMD's license?

NPPES lists Puerto Rico license number 1832, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Carlos Alberto Grana, DMD prescribe under Medicare Part D?

In 2024, Carlos Alberto Grana, DMD had 109 Medicare Part D claims for 83 beneficiaries; the average among dentist prescribers was 86. 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.