NPPES file of Aug 9, 2026

Adianez Santiago, MD

Rheumatology Physician · Manati, PR

Adianez Santiago, MD is a rheumatology physician with a practice address in Manati, Puerto Rico, and NPI 1891272233, issued on Jul 27, 2018. Check the license (Puerto Rico 21791, 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
1891272233
Name
Adianez Santiago
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
21791 PR
33523R PR
Self-reported in NPPES; status is on the state search
Practice location
Manati Medical Plz # 104, Manati, PR 00674
Phone
(939) 588-1199
Enumerated
Jul 27, 2018
Record last updated
Mar 15, 2024
Medicare enrollment
Enrolled (PECOS I20221026001771); 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 Adianez Santiago 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 21791
    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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51% fewer Medicare Part D claims than the average rheumatology physician in 2024

972 Medicare Part D claims for 157 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Adianez Santiago972
  2. Specialty average1,978

Most prescribed

  1. Methotrexate244 claims
  2. Prednisone118 claims
  3. Hydroxychloroquine Sulfate58 claims
  4. Alendronate Sodium51 claims
  5. Sulindac50 claims
  6. Gabapentin48 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.

Industry payments in 2024: $2,421.96

17 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adianez Santiago$2,421.96
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Adianez Santiago among 87 rheumatology physician records in Puerto Rico

Adianez Santiago, MD is one of 87 rheumatology physician records with a practice address in Puerto Rico. 91% 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 98% of them.

  • NPI issued2018 · 98% of these records are older, 1% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2013 · median 1992 among the 69 with a school on file
  • Record last updated2024 · 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 207RR0500X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Puerto Rico

There are 87 rheumatology physician records in Puerto Rico.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Efrain Carrasquillo, M.D.Manati, PR 006741982745436
  2. Michael Babilonia Roman, M.D.Mayaguez, PR 006801720088057
  3. Maria Justiniano, M.D.Mayaguez, PR 006801619084217
  4. Edrick Lopez-Enriquez, MDMayaguez, PR 006801891710802
  5. Braulio Quintero, MD FACRMayaguez, PR 006801477526796
  6. Lee Ming Shum, M.D.Mayaguez, PR 006801568741387
  7. Dennis Suarez, MDMayaguez, PR 006801194785477
  8. Ramon Toro Torres, MDSan German, PR 006831619007150

Common questions

What is Adianez Santiago, MD's NPI number?

Adianez Santiago, MD's National Provider Identifier (NPI) is 1891272233, issued on Jul 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Adianez Santiago, MD located?

The NPPES record lists a practice address at Manati Medical Plz # 104, Manati, PR, 00674. Phone: (939) 588-1199. Providers update this record themselves, so call before visiting.

How can I verify Adianez Santiago, MD's license?

NPPES lists Puerto Rico license number 21791, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Adianez Santiago, MD had 972 Medicare Part D claims for 157 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.