NPPES file of Aug 9, 2026

Luis Alberto Grana Santiago, DMD

General Practice Dentistry · Lares, PR

Luis Alberto Grana Santiago, DMD is a general practice dentistry with a practice address in Lares, Puerto Rico, and NPI 1376606020, issued on Dec 17, 2006. Check the license (Puerto Rico 1350, 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
1376606020
Name
Luis Alberto Grana Santiago
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
1350 PR
Self-reported in NPPES; status is on the state search
Practice location
22 Calle Pedro Albizu Campos, Lares, PR 00669
Phone
(787) 897-1810
Enumerated
Dec 17, 2006
Record last updated
Feb 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(787) 897-1810
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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8 nearest general practice dentistry records → All 881 in Puerto Rico → Look up another NPI →

Verify Luis Alberto Grana Santiago 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 1350    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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18% more Medicare Part D claims than the average general practice dentistry in 2024

98 Medicare Part D claims for 51 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Luis Grana Santiago98
  2. Specialty average83

Most prescribed

  1. Naproxen32 claims
  2. Amoxicillin30 claims
  3. Penicillin V Potassium16 claims
  4. Clindamycin Hcl14 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.

Luis Alberto Grana Santiago among 881 general practice dentistry records in Puerto Rico

Luis Alberto Grana Santiago, DMD is one of 881 general practice dentistry records with a practice address in Puerto Rico. 73% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 43% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 general practice dentistry records list a practice address in Lares

They are 3 of the 201 NPPES records with a practice address in Lares, and 881 general practice dentistry records in Puerto Rico.

All 881 in Puerto Rico → Every provider in Lares → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jose Lopez-Lopez, DDSLares, PR 006691184664054
  2. Juan Rosado Valentin, DMDLares, PR 006691538229208
  3. Betzaida Frontera, D.M.DLas Marias, PR 006701922005263
  4. Damaris Rivera, D.M.D.Las Marias, PR 006701255487377
  5. Betzaida Collado, DMDLajas, PR 006671669591806
  6. Jan Mattei-Molini, DDSLajas, PR 006671851494199
  7. Angel Rivera, DDSLajas, PR 006671104805746
  8. Alicia Gonzalez, D.M.D.Manati, PR 006741396838801

Common questions

What is Luis Alberto Grana Santiago, DMD's NPI number?

Luis Alberto Grana Santiago, DMD's National Provider Identifier (NPI) is 1376606020, issued on Dec 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Luis Alberto Grana Santiago, DMD located?

The NPPES record lists a practice address at 22 Calle Pedro Albizu Campos, Lares, PR, 00669. Phone: (787) 897-1810. Providers update this record themselves, so call before visiting.

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

NPPES lists Puerto Rico license number 1350, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Luis Alberto Grana Santiago, DMD had 98 Medicare Part D claims for 51 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.