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Dr. Alejandro Santiago Nazario, MD

  • San Juan, PR
  • General practice physician
NPI1174101711
Part D claims, 2024
235
Industry payments
$670
State license
1
Year NPI issued
2021
Practice address
205 Calle E, San Juan, PR 00917
Practice phone
Call (787) 758-2525
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Alejandro Santiago Nazario is a general practice physician in San Juan, Puerto Rico

Dr. Santiago Nazario practices in San Juan, Puerto Rico.

Dr. Santiago Nazario's NPI, 1174101711, was assigned on April 1, 2021. Dr. Santiago Nazario holds Puerto Rico license 16277.

NPI and contact details
NPI
1174101711NPI Registry (opens in a new tab)
NPI enumeration date
April 1, 2021
NPI status
Active
Practice phone
(787) 758-2525
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Alejandro Santiago Nazario's practice address is in San Juan, Puerto Rico

Dr. Santiago Nazario's practice address in the NPI Registry is 205 Calle E, San Juan, PR 00917, in San Juan County. The practice phone is (787) 758-2525.

  • NPI Registry address
    205 Calle E, San Juan, PR 00917 · San Juan CountyPhone(787) 758-2525

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Alejandro Santiago Nazario's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santiago Nazario practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Santiago Nazario's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alejandro Santiago Nazario is one of 2,604 general practice physicians in Puerto Rico

General practice is Dr. Santiago Nazario's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Santiago Nazario is licensed in Puerto Rico.

Specialties and state licenses

  • General practice, Puerto RicoPrimaryLicense 16277 · taxonomy 208D00000X

General practice physicians near Dr. Santiago Nazario

Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.

2,604general practice physicians in Puerto Rico729general practice physicians in San Juan

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Alejandro Santiago Nazario wrote 235 Medicare Part D claims in 2024

In 2024, Dr. Santiago Nazario wrote 235 Medicare Part D claims for 102 patients. 95% of them were for generic drugs. CMS names the drug for 152 of them, across 4 drugs with 11 or more claims each, at $1,664 in total drug cost. In 2023, CMS named 38 claims across 3 drugs.

Part D claims, 2024235
Drugs named by CMS4
Total drug cost$1,664
Part D patients102

Dr. Santiago Nazario's Part D claims by kind of drug, 2024

  • Generic223 claims95%
  • Brand-name12 claims5%

Dr. Santiago Nazario's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Santiago Nazario's Part D claims, 2024

  • Antibiotics11%27 of 235 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 382024: 152300%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Dr. Santiago Nazario

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Alejandro Santiago Nazario received $670 in industry payments from 2022 to 2025

CMS Open Payments shows 15 general payments to Dr. Santiago Nazario from 3 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $228.

General payments to Dr. Santiago Nazario by program year, 2022 to 2025

Companies that paid Dr. Santiago Nazario the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Santiago Nazario

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Alejandro Santiago Nazario's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alejandro Santiago Nazario

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Alejandro Santiago Nazario's NPI number?

Dr. Alejandro Santiago Nazario's NPI number is 1174101711. It was assigned on April 1, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Alejandro Santiago Nazario?

Dr. Alejandro Santiago Nazario is a general practice physician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Alejandro Santiago Nazario practice?

Dr. Santiago Nazario practices at 205 Calle E, San Juan, PR 00917.

What is Dr. Alejandro Santiago Nazario's office phone number?

The practice phone on file for Dr. Santiago Nazario is (787) 758-2525.

What is Dr. Alejandro Santiago Nazario's medical license number?

Dr. Santiago Nazario holds Puerto Rico license 16277.

What drugs does Dr. Alejandro Santiago Nazario prescribe most?

In 2024 Medicare Part D data, Dr. Santiago Nazario's most prescribed drugs by claims were Famotidine, Omeprazole and Fluticasone Propionate.

Has Dr. Alejandro Santiago Nazario received payments from drug or device companies?

CMS Open Payments shows $670 in general payments to Dr. Santiago Nazario from 3 companies from 2022 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Alejandro Santiago Nazario been practicing?

Dr. Santiago Nazario's NPI was assigned in 2021.

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