NPPES file of Aug 9, 2026

Maritsally Santiago Chaparro, MD

Internal Medicine Physician · Aguada, PR

Maritsally Santiago Chaparro, MD is an internal medicine physician with a practice address in Aguada, Puerto Rico, and NPI 1154843217, issued on Jul 11, 2017. Check the license (Puerto Rico 21316, 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
1154843217
Name
Maritsally Santiago Chaparro
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
21316 PR
Self-reported in NPPES; status is on the state search
Practice location
2 Calle Colon Ste 7, Aguada, PR 00602
Phone
(787) 868-1639
Enumerated
Jul 11, 2017
Record last updated
Jun 6, 2024
Medicare enrollment
Enrolled (PECOS I20200224002148); 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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Verify Maritsally Santiago Chaparro 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 21316
    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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32% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,160 Medicare Part D claims for 425 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Maritsally Santiago Chaparro2,160
  2. Specialty average3,176

Most prescribed

  1. Gabapentin128 claims
  2. Atorvastatin Calcium91 claims
  3. Farxiga88 claims
  4. Famotidine65 claims
  5. Losartan Potassium62 claims
  6. Synthroid60 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.

Maritsally Santiago Chaparro among 1,146 internal medicine physician records in Puerto Rico

Maritsally Santiago Chaparro, MD is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 73% of them.

  • NPI issued2017 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2017 · median 1996 among the 595 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 internal medicine physician records list a practice address in Aguada

They are 13 of the 383 NPPES records with a practice address in Aguada, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lourdes Acevedo, M.D.Aguada, PR 006021487751574
  2. Melanie Acevedo Valle, M.D.Aguada, PR 006021700140357
  3. Juan Corona-Amaro, M.D.Aguada, PR 006021548252380
  4. Roberto Gonzalez, M.D.Aguada, PR 006021588690424
  5. Carlos Muniz Molinero, MDAguada, PR 006021194871277
  6. Joan Ojeda, MDAguada, PR 006021558652602
  7. Victor Rivera-Santiago, M.D.Aguada, PR 006021659500791
  8. Jorge Soto, M.D.Aguada, PR 006021497977227

Common questions

What is Maritsally Santiago Chaparro, MD's NPI number?

Maritsally Santiago Chaparro, MD's National Provider Identifier (NPI) is 1154843217, issued on Jul 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Maritsally Santiago Chaparro, MD located?

The NPPES record lists a practice address at 2 Calle Colon Ste 7, Aguada, PR, 00602. Phone: (787) 868-1639. Providers update this record themselves, so call before visiting.

How can I verify Maritsally Santiago Chaparro, MD's license?

NPPES lists Puerto Rico license number 21316, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Maritsally Santiago Chaparro, MD prescribe under Medicare Part D?

In 2024, Maritsally Santiago Chaparro, MD had 2,160 Medicare Part D claims for 425 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.