Alejandro Santiago Nazario, MD
General Practice Physician · San Juan, PR
Alejandro Santiago Nazario, MD is a general practice physician with a practice address in San Juan, Puerto Rico, and NPI 1174101711, issued on Apr 1, 2021. Check the license (Puerto Rico 16277, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alejandro Santiago Nazario
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 16277 PR
Self-reported in NPPES; status is on the state search - Practice location
- Upr Medical Sciences Campus, San Juan, PR 00936
- Phone
- (787) 758-2525
- Enumerated
- Apr 1, 2021
- Record last updated
- Aug 1, 2022
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Also registered at Upr Medical Sciences Campus
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wilmarie Bruckman Blanco, M.D.Pediatrics Physician1326299389
- Neichma Fargas Berrios, M.D.Specialist1386835445
- Andre Marra NazarioInternal Medicine Physician1720613060
- Yiamira Oquendo-Ocasio, M.D.Pediatrics Physician1295990489
- Melanie Rodriguez Nieves, M.D.Neonatal-Perinatal Medicine Physician1932355419
- Arianne Vicens-Rivera, M.D.Pediatrics Physician1023259280
Verify Alejandro Santiago Nazario 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 16277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average general practice physician in 2024
235 Medicare Part D claims for 102 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Famotidine63 claims
- Omeprazole38 claims
- Fluticasone Propionate33 claims
- Ciprofloxacin Hcl18 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: $237.95
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,259 providers of this specialty with any payment received $1,273.40 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.
Alejandro Santiago Nazario among 4,170 general practice physician records in Puerto Rico
Alejandro Santiago Nazario, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 78% of them.
- NPI issued2021 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
622 general practice physician records list a practice address in San Juan
They are 622 of the 8,960 NPPES records with a practice address in San Juan, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in San Juan → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Raul Castellanos, M. D.Rio Piedras, PR 009361326245788
- Joaquin Chez, M.D.Bayamon, PR 009361730291121
- Edgardo Martinez Berdecia, MDSan Juan, PR 009361235515016
- Ada Martinez-Cruz, MDSan Juan, PR 009361174608756
- Yashira Medina Roman, MDSan Juan, PR 009361508498353
- Jean Paul Moliere, MDSan Juan, PR 009361851981112
- Alberto PerezSan Juan, PR 009361568036655
- Guillermo Puebla Robles, MDSan Juan, PR 009361356973697
Common questions
What is Alejandro Santiago Nazario, MD's NPI number?
Alejandro Santiago Nazario, MD's National Provider Identifier (NPI) is 1174101711, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alejandro Santiago Nazario, MD located?
The NPPES record lists a practice address at Upr Medical Sciences Campus, San Juan, PR, 00936. Phone: (787) 758-2525. Providers update this record themselves, so call before visiting.
How can I verify Alejandro Santiago Nazario, MD's license?
NPPES lists Puerto Rico license number 16277, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alejandro Santiago Nazario, MD prescribe under Medicare Part D?
In 2024, Alejandro Santiago Nazario, MD had 235 Medicare Part D claims for 102 beneficiaries; the average among general practice physician prescribers was 3,030. 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.