NPPES file of Aug 9, 2026

Rafael Diaz Mendez, DMD

Periodontics · San Juan, PR

Rafael Diaz Mendez, DMD is a periodontics with a practice address in San Juan, Puerto Rico, and NPI 1285742189, issued on Aug 29, 2006. Check the license (Puerto Rico 1052, 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
1285742189
Name
Rafael Diaz Mendez
Credential
DMD
Primary taxonomy
Periodontics 1223P0300X
License number
1052 PR
Self-reported in NPPES; status is on the state search
Practice location
400 Ave FD Roosevelt, San Juan, PR 00918
Phone
(787) 756-5252
Enumerated
Aug 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(787) 763-4928
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 400 Ave FD Roosevelt

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

  1. Frankie Alvarado, M.D.Pulmonary Disease Physician1730219098
  2. Lydia ArillEndodontics1205921053
  3. Luis Arturi, MDGastroenterology Physician1063407591
  4. Hilda Bithorn, O.D.Optometrist1265625966
  5. Maximo Blondet Passalacqua, MD,FCCPSpecialist1184614927
  6. Ricardo Brau, M.D.Neurological Surgery Physician1114939949

Verify Rafael Diaz Mendez 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 1052
    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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63% fewer Medicare Part D claims than the average periodontics in 2024

103 Medicare Part D claims for 53 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Rafael Diaz Mendez103
  2. Specialty average277

Most prescribed

  1. Clindamycin Hcl28 claims
  2. Amoxicillin15 claims
  3. Metoprolol Succinate11 claims
  4. Synthroid11 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.

Rafael Diaz Mendez among 55 periodontics records in Puerto Rico

Rafael Diaz Mendez, DMD is one of 55 periodontics records with a practice address in Puerto Rico. 80% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 60% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in Puerto Rico

There are 55 periodontics records in Puerto Rico.

The 8 periodontics records with the nearest ZIP codes

  1. Jose Colon-Deglans, DMDSan Juan, PR 009181316096134
  2. Lourdes Feliciano-Nieves, DMDSan Juan, PR 009181003809120
  3. Ferdinand Lugo Romeu, D.M.D., M.SC.D.San Juan, PR 009181356437834
  4. Marcelino Negron, DMDHato Rey, PR 009181538239595
  5. Manuel Ortiz-JuncedaSan Juan, PR 009181780958660
  6. Osvaldo Puig, DDSSan Juan, PR 009181326264847
  7. Carlos Quinones, DMDSan Juan, PR 009181942352786
  8. Jose Suris, DMDSan Juan, PR 009181184734683

Common questions

What is Rafael Diaz Mendez, DMD's NPI number?

Rafael Diaz Mendez, DMD's National Provider Identifier (NPI) is 1285742189, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rafael Diaz Mendez, DMD located?

The NPPES record lists a practice address at 400 Ave FD Roosevelt, San Juan, PR, 00918. Phone: (787) 756-5252. Providers update this record themselves, so call before visiting.

How can I verify Rafael Diaz Mendez, DMD's license?

NPPES lists Puerto Rico license number 1052, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Rafael Diaz Mendez, DMD prescribe under Medicare Part D?

In 2024, Rafael Diaz Mendez, DMD had 103 Medicare Part D claims for 53 beneficiaries; the average among periodontics prescribers was 277. 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.