Nancy Santiago, M.D.
Specialist · Guaynabo, PR
Nancy Santiago, M.D. is a specialist with a practice address in Guaynabo, Puerto Rico, and NPI 1922076322, issued on Mar 10, 2006. Check the license (Puerto Rico 858706, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Santiago
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 858706 PR
Self-reported in NPPES; status is on the state search - Practice location
- Pmb 276 RD19 #1353, Guaynabo, PR 00966
- Phone
- (787) 614-0520
- Enumerated
- Mar 10, 2006
- Record last updated
- Mar 21, 2024
- Entity
- Type 1 · individual
Verify Nancy Santiago in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 858706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
32 Medicare Part D claims for 12 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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: $78.71
1 payment: food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
24 specialist records list a practice address in Guaynabo
They are 24 of the 2,143 NPPES records with a practice address in Guaynabo, and 574 specialist records in Puerto Rico.
All 24 in Guaynabo → All 574 in Puerto Rico → Every provider in Guaynabo →
Other specialist records in Puerto Rico
- Alberto Abreu, M.D.Ponce, PR1306821830
- Carmen Acantilado, M.D.Bayamon, PR1528044104
- Frank Acevedo, M.D.Cayey, PR1780659631
- Gloria Acosta, MDAguadilla, PR1154330041
- Domingo Acosta-Albino, M.D.Mayaguez, PR1548343031
- Chris Marie Adams VegaPonce, PR1912477225
- Victor Alers, PHDCamuy, PR1386957512
- Anibelle AltieriHato Rey, PR1629049580
- Litzy Alvarado, OTRPonce, PR1801004338
- Carlos Alvarez, M.D.Bayamon, PR1558445775
Common questions
What is Nancy Santiago, M.D.'s NPI number?
Nancy Santiago, M.D.'s National Provider Identifier (NPI) is 1922076322, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Santiago, M.D. located?
The NPPES record lists a practice address at Pmb 276 RD19 #1353, Guaynabo, PR, 00966. Phone: (787) 614-0520. Providers update this record themselves, so call before visiting.
How can I verify Nancy Santiago, M.D.'s license?
NPPES lists Puerto Rico license number 858706, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Santiago, M.D. prescribe under Medicare Part D?
In 2024, Nancy Santiago, M.D. had 32 Medicare Part D claims for 12 beneficiaries; the average among specialist prescribers was 1,380. 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.