NPPES file of Aug 9, 2026

Michelle Marie Marquez Rosario, MD

Geriatric Medicine (Family Medicine) Physician · Loiza, PR

Michelle Marie Marquez Rosario, MD is a geriatric medicine (family medicine) physician with a practice address in Loiza, Puerto Rico, and NPI 1063987279, issued on Oct 4, 2018. Check the license (Puerto Rico 22356, 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
1063987279
Name
Michelle Marie Marquez Rosario
Credential
MD
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License numbers
22356 PR
15245-I PR
34968 PR
Self-reported in NPPES; status is on the state search
Practice location
Carr 188 # 187, Loiza, PR 00772
Phone
(787) 876-2042
Enumerated
Oct 4, 2018
Record last updated
Jan 22, 2025
Fax
(787) 256-1900
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 Carr 188 # 187

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

  1. Zaileen Soto-Zayas, D.M.D.Dentist1427336049

Verify Michelle Marie Marquez Rosario 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 22356
    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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100% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

20 Medicare Part D claims, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.

  1. Michelle Marquez Rosario20
  2. Specialty average5,222

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.

Michelle Marie Marquez Rosario among 64 geriatric medicine (family medicine) physician records in Puerto Rico

Michelle Marie Marquez Rosario, MD is one of 64 geriatric medicine (family medicine) physician records with a practice address in Puerto Rico. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 97% of them.

  • NPI issued2018 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2025 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 geriatric medicine (family medicine) physician record lists a practice address in Loiza

They are 1 of the 69 NPPES records with a practice address in Loiza, and 64 geriatric medicine (family medicine) physician records in Puerto Rico.

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Sissi Barreto, MDLuquillo, PR 007731295704260
  2. Pablo Del Valle, M.D.Las Piedras, PR 007711063411247
  3. Keydi Betancourt GonzalezGurabo, PR 007781457704322
  4. Roberto Lopez-Nieves, MDGurabo, PR 007781770511131
  5. Miguel Velazquez Valle, M.D.Gurabo, PR 007781962567248
  6. Juan Ortiz Guevara, M.D.Humacao, PR 007911053383323
  7. Antonio Portilla, M.D.Villas De Rio Grande, PR 007451164400818
  8. Sonia Ortiz Flores, M.D.Fajardo, PR 007381982693339

Common questions

What is Michelle Marie Marquez Rosario, MD's NPI number?

Michelle Marie Marquez Rosario, MD's National Provider Identifier (NPI) is 1063987279, issued on Oct 4, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Marie Marquez Rosario, MD located?

The NPPES record lists a practice address at Carr 188 # 187, Loiza, PR, 00772. Phone: (787) 876-2042. Providers update this record themselves, so call before visiting.

How can I verify Michelle Marie Marquez Rosario, MD's license?

NPPES lists Puerto Rico license number 22356, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Michelle Marie Marquez Rosario, MD prescribe under Medicare Part D?

In 2024, Michelle Marie Marquez Rosario, MD had 20 Medicare Part D claims; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.