NPPES file of Aug 9, 2026

Lourdes Marrero Diaz, M.D.

General Practice Physician · Trujillo Alto, PR

Lourdes Marrero Diaz, M.D. is a general practice physician with a practice address in Trujillo Alto, Puerto Rico, and NPI 1205800216, issued on Feb 15, 2006. Check the license (Puerto Rico 16259, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205800216
Name
Lourdes Marrero Diaz
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
16259 PR
Self-reported in NPPES; status is on the state search
Practice location
305 Calle Cruz, Trujillo Alto, PR 00976
Phone
(787) 293-2700
Enumerated
Feb 15, 2006
Record last updated
Aug 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(787) 998-3685
Medicare enrollment
Enrolled (PECOS I20060301000082); 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.
Download card Updates feed

Verify Lourdes Marrero Diaz 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 16259
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

28% fewer Medicare Part D claims than the average general practice physician in 2024

2,175 Medicare Part D claims for 256 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Lourdes Marrero Diaz2,175
  2. Specialty average3,030

Most prescribed

  1. Atorvastatin Calcium136 claims
  2. Gabapentin101 claims
  3. Clobetasol Propionate84 claims
  4. Famotidine79 claims
  5. Ketoconazole72 claims
  6. Losartan Potassium57 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 67.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.7
  2. Costout of 100 · 30%68.2
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Hospital Espanol Auxilio Mutuo DE Puerto Rico, Inc.San Juan, PR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lourdes Marrero Diaz among 4,170 general practice physician records in Puerto Rico

Lourdes Marrero Diaz, M.D. 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. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 65% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2003 · median 2004 among the 1,228 with a school on file
  • Record last updated2021 · 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).

48 general practice physician records list a practice address in Trujillo Alto

They are 48 of the 430 NPPES records with a practice address in Trujillo Alto, and 4,170 general practice physician records in Puerto Rico.

The 8 general practice physician records with the nearest ZIP codes

  1. Luis Artache, M.D.Trujillo Alto, PR 009761558464982
  2. Huascar Barros Burgos, MDTrujillo Alto, PR 009761013950948
  3. Cibeles Cotto, M.D.Trujillo Alto, PR 009761033214788
  4. Priscilla Gayol, MDTrujillo Alto, PR 009761902893191
  5. Marisol Irizarry-Bonilla, M.D.Trujillo Alto, PR 009761922040187
  6. Daisy Mercado Domacasse, MEDICINE DOCTORTrujillo Alto, PR 009761235249467
  7. Elba Perez, M.D.Trujillo Alto, PR 009761124027859
  8. Eric Quintero, M.D.Trujillo Alto, PR 009761659309185

Common questions

What is Lourdes Marrero Diaz, M.D.'s NPI number?

Lourdes Marrero Diaz, M.D.'s National Provider Identifier (NPI) is 1205800216, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lourdes Marrero Diaz, M.D. located?

The NPPES record lists a practice address at 305 Calle Cruz, Trujillo Alto, PR, 00976. Phone: (787) 293-2700. Providers update this record themselves, so call before visiting.

How can I verify Lourdes Marrero Diaz, M.D.'s license?

NPPES lists Puerto Rico license number 16259, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Lourdes Marrero Diaz, M.D. prescribe under Medicare Part D?

In 2024, Lourdes Marrero Diaz, M.D. had 2,175 Medicare Part D claims for 256 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.

What is Lourdes Marrero Diaz, M.D.'s MIPS final score?

The 2023 MIPS final score is 67.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.