NPPES file of Aug 9, 2026

Juan Gabriel Santiago, M.D.

Retina Specialist (Ophthalmology) Physician · Aguadilla, PR

Juan Gabriel Santiago, M.D. is a retina specialist (ophthalmology) physician with a practice address in Aguadilla, Puerto Rico, and NPI 1518151877, issued on Aug 30, 2007. Check the license (Puerto Rico 17036, 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
1518151877
Name
Juan Gabriel Santiago
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
17036 PR
N4065 TX
Self-reported in NPPES; status is on the state search
Practice location
13 Calle Mercedes Moreno, Aguadilla, PR 00603
Phone
(787) 882-6370
Enumerated
Aug 30, 2007
Record last updated
Mar 28, 2026
Fax
(787) 882-6373
Medicaid ID
037544400 PR
Medicare enrollment
Enrolled (PECOS I20161012002020); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2004
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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Also registered at 13 Calle Mercedes Moreno

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

  1. Lilliam Diaz Velez, MDOphthalmic Plastic and Reconstructive Surgery Physician1295984029
  2. Cristina Ferrari Lugo, MDOphthalmology Physician1881661171

Verify Juan Gabriel 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 17036
    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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64% more Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

1,016 Medicare Part D claims for 231 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Juan Santiago1,016
  2. Specialty average620

Most prescribed

  1. Prednisolone Acetate176 claims
  2. Ketorolac Tromethamine130 claims
  3. Lumigan128 claims
  4. Latanoprost126 claims
  5. Erythromycin94 claims
  6. Brimonidine Tartrate76 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: $367.17

10 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Juan Santiago$367.17
  2. Specialty average$7,667.49

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

Bills Medicare through one group practice

  1. Aguadilla Eye MD PscAguadilla, PR

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

Retina Specialist (Ophthalmology) Physician providers in Puerto Rico

There are 8 retina specialist (ophthalmology) physician records in Puerto Rico.

The 7 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Alejandro Perez Torres, MDPonce, PR 007171467980458
  2. Carlos Fernandez Santos, M.D.Caguas, PR 007251649566977
  3. Stephanie Vale, M.D.Caguas, PR 007251821420902
  4. Jan Ortiz Rosario, MDPonce, PR 007301386020709
  5. Yousef Cruz-Inigo, M.D.Corozal, PR 007831336576982
  6. Jose Garcia Gonzalez, M.D.San Juan, PR 009211881889558
  7. Robert Boada, MDBayamon, PR 009591578527396

Common questions

What is Juan Gabriel Santiago, M.D.'s NPI number?

Juan Gabriel Santiago, M.D.'s National Provider Identifier (NPI) is 1518151877, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Juan Gabriel Santiago, M.D. located?

The NPPES record lists a practice address at 13 Calle Mercedes Moreno, Aguadilla, PR, 00603. Phone: (787) 882-6370. Providers update this record themselves, so call before visiting.

How can I verify Juan Gabriel Santiago, M.D.'s license?

NPPES lists Puerto Rico license number 17036, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Juan Gabriel Santiago, M.D. prescribe under Medicare Part D?

In 2024, Juan Gabriel Santiago, M.D. had 1,016 Medicare Part D claims for 231 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.