NPPES file of Aug 9, 2026

Madeline T. Diaz Nunez, MD

General Practice Physician · San Juan, PR

Madeline T. Diaz Nunez, MD is a general practice physician with a practice address in San Juan, Puerto Rico, and NPI 1417703703, issued on Apr 26, 2024. Check the license (Puerto Rico 24251, as entered in NPPES) with the Puerto Rico board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417703703
Name
Madeline T. Diaz Nunez
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License numbers
24251 PR
16808I PR
Self-reported in NPPES; status is on the state search
Practice location
Calle Sergio Cuevas Bustamante, San Juan, PR 00927
Phone
(787) 758-8383
Enumerated
Apr 26, 2024
Record last updated
Jun 2, 2025
Medicare enrollment
Enrolled (PECOS I20250514003615); accepts Medicare assignment
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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8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →

Also registered at Calle Sergio Cuevas Bustamante

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

  1. Delmaris Hernandez Colon, MDGeneral Practice Physician1073189684
  2. Ian LlauradorGeneral Practice Physician1174261572

Verify Madeline T. Diaz Nunez 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 24251    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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Madeline T. Diaz Nunez among 4,170 general practice physician records in Puerto Rico

Madeline T. Diaz Nunez, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 3% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2016 · median 2004 among the 1,228 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 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

622 general practice physician records list a practice address in San Juan

They are 622 of the 8,960 NPPES records with a practice address in San Juan, and 4,170 general practice physician records in Puerto Rico. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,170 in Puerto Rico → Every provider in San Juan → General Practice Physician nationwide →

The 8 general practice physician records with the nearest ZIP codes

  1. Ignacio Arroyave, MDSan Juan, PR 009271073613535
  2. Rafael Carrasquillo, M.D.San Juan, PR 009271588922876
  3. Aileen Carreras, MDSan Juan, PR 009271023234028
  4. Miriam Castro Chandri, MDSan Juan, PR 009271447748207
  5. Arquimedes Del Risco, M.D.Rio Piedras, PR 009271811097959
  6. Lucy Diaz-Valcarcel, M.D.San Juan, PR 009271922211275
  7. Margarita Fernandez Moreira, MDSan Juan, PR 009271538115464
  8. Jose Lopez, MDSan Juan, PR 009271275590499

Common questions

What is Madeline T. Diaz Nunez, MD's NPI number?

Madeline T. Diaz Nunez, MD's National Provider Identifier (NPI) is 1417703703, issued on Apr 26, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Madeline T. Diaz Nunez, MD located?

The NPPES record lists a practice address at Calle Sergio Cuevas Bustamante, San Juan, PR, 00927. Phone: (787) 758-8383. Providers update this record themselves, so call before visiting.

How can I verify Madeline T. Diaz Nunez, MD's license?

NPPES lists Puerto Rico license number 24251, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity 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. 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.