Dr. Vivian A. Justiniano Santiago, MD
- Part D claims, 2024
- 825
- Industry payments
- $95
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 15 Calle Dr Basora N, Mayaguez, PR 00680-4833
- Practice phone
- Call (787) 342-6120
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Physician Healthcare Administration
Primary care practice · Mayaguez, Puerto Rico
Find Dr. Justiniano Santiago's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Vivian A. Justiniano Santiago is a general practice physician in Mayaguez, Puerto Rico
Dr. Justiniano Santiago practices at Physician Healthcare Administration in Mayaguez, Puerto Rico.
Dr. Justiniano Santiago's NPI, 1689152035, was assigned on July 29, 2018. Dr. Justiniano Santiago holds Puerto Rico license 21039.
- NPI
- 1689152035NPI Registry (opens in a new tab)
- NPI enumeration date
- July 29, 2018
- NPI status
- Active
- Practice phone
- (787) 342-6120
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vivian A. Justiniano Santiago practices at Physician Healthcare Administration in Mayaguez, Puerto Rico
Dr. Justiniano Santiago's primary practice is Physician Healthcare Administration, at 15 Calle Dr Basora N, Mayaguez, PR 00680-4833. The practice phone is (787) 342-6120.
- Physician Healthcare Administration15 Calle Dr Basora N, Mayaguez, PR 00680-4833Phone(787) 342-6120
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vivian A. Justiniano Santiago is affiliated with 1 site of care and 2 medical groups
Dr. Justiniano Santiago's primary practice is Physician Healthcare Administration in Mayaguez, Puerto Rico. The medical group on file is Physician Healthcare Administration, LLC. Dmand AI also links Dr. Justiniano Santiago to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Vivian A. Justiniano Santiago's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Justiniano Santiago practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Physician Healthcare Administration | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vivian A. Justiniano Santiago is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Justiniano Santiago's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Justiniano Santiago is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Justiniano Santiago
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Vivian A. Justiniano Santiago wrote 825 Medicare Part D claims in 2024
In 2024, Dr. Justiniano Santiago wrote 825 Medicare Part D claims for 80 patients. 89% of them were for generic drugs. CMS names the drug for 438 of them, across 18 drugs with 11 or more claims each, at $6,451 in total drug cost. In 2023, CMS named 290 claims across 13 drugs.
Dr. Justiniano Santiago's Part D claims by kind of drug, 2024
- Generic731 claims89%
- Brand-name77 claims9%
- Other17 claims2%
Dr. Justiniano Santiago'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. Justiniano Santiago's Part D claims, 2024
- Antibiotics5%40 of 825 claims
- Antipsychotics, patients 65 and over2%16 of 825 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: 2902024: 43851%
Drugs named by CMS: 18 in 2024, 13 in 2023.
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. Vivian A. Justiniano Santiago received $95 in industry payments from 2018 to 2020
CMS Open Payments shows 3 general payments to Dr. Justiniano Santiago from 2 drug and device companies from 2018 to 2020. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $75.
General payments to Dr. Justiniano Santiago by program year, 2018 to 2020
Companies that paid Dr. Justiniano Santiago the most, 2018 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Vivian A. Justiniano Santiago's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Vivian A. Justiniano Santiago
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What is Dr. Vivian A. Justiniano Santiago's NPI number?
Dr. Vivian A. Justiniano Santiago's NPI number is 1689152035. It was assigned on July 29, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Vivian A. Justiniano Santiago?
Dr. Vivian A. Justiniano Santiago is a general practice physician in Mayaguez, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Vivian A. Justiniano Santiago practice?
Dr. Justiniano Santiago practices at 15 Calle Dr Basora N, Mayaguez, PR 00680-4833. Dr. Justiniano Santiago's primary practice is Physician Healthcare Administration in Mayaguez, Puerto Rico. Dmand AI also links Dr. Justiniano Santiago to 1 medical group.
What is Dr. Vivian A. Justiniano Santiago's office phone number?
The practice phone on file for Dr. Justiniano Santiago is (787) 342-6120.
What is Dr. Vivian A. Justiniano Santiago's medical license number?
Dr. Justiniano Santiago holds Puerto Rico license 21039.
What medical group is Dr. Vivian A. Justiniano Santiago part of?
Dr. Justiniano Santiago is linked to Physician Healthcare Administration, LLC. Dmand AI links Dr. Justiniano Santiago to 1 more medical group.
What drugs does Dr. Vivian A. Justiniano Santiago prescribe most?
In 2024 Medicare Part D data, Dr. Justiniano Santiago's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Gabapentin.
Has Dr. Vivian A. Justiniano Santiago received payments from drug or device companies?
CMS Open Payments shows $95 in general payments to Dr. Justiniano Santiago from 2 companies from 2018 to 2020. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Vivian A. Justiniano Santiago been practicing?
Dr. Justiniano Santiago's NPI was assigned in 2018.
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