Dr. Samuel Agustin Fontanet Perez, MD
- Part D claims, 2024
- 694
- Hospital affiliations
- 2
- Industry payments
- $755
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 100 Granate, San Juan, PR 00926
- Practice phone
- Call (787) 856-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital Pavia Yauco
San Juan, Puerto Rico
Find Dr. Fontanet Perez'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. Samuel Agustin Fontanet Perez is an internist in San Juan, Puerto Rico
Dr. Fontanet Perez practices at Hospital Pavia Yauco in San Juan, Puerto Rico.
Dr. Fontanet Perez's NPI, 1740893817, was assigned on August 28, 2020. Dr. Fontanet Perez holds Puerto Rico license 22367.
- NPI
- 1740893817NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496132656
- NPI enumeration date
- August 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 856-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samuel Agustin Fontanet Perez practices at Hospital Pavia Yauco in San Juan, Puerto Rico
Dr. Fontanet Perez's primary practice is Hospital Pavia Yauco, at 100 Granate, San Juan, PR 00926 in San Juan County. The practice phone is (787) 856-1000.
- Hospital Pavia Yauco100 Granate, San Juan, PR 00926 · San Juan CountyPhone(787) 856-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Samuel Agustin Fontanet Perez is affiliated with 4 sites of care
Dr. Fontanet Perez's primary practice is Hospital Pavia Yauco in San Juan, Puerto Rico. Dr. Fontanet Perez is also affiliated with Hospital Pavia Yauco. Dmand AI also links Dr. Fontanet Perez to 1 more hospital and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samuel Agustin Fontanet Perez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fontanet Perez practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Pavia Yauco | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel Agustin Fontanet Perez is one of 805 internists in Puerto Rico
Internal medicine is Dr. Fontanet Perez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fontanet Perez is licensed in Puerto Rico.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
Internists near Dr. Fontanet Perez
Counts of internists 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. Samuel Agustin Fontanet Perez's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Fontanet Perez's median patient age at 78, with 50% women.
Dr. Fontanet Perez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Samuel Agustin Fontanet Perez wrote 694 Medicare Part D claims in 2024
In 2024, Dr. Fontanet Perez wrote 694 Medicare Part D claims for 267 patients. 90% of them were for generic drugs. CMS names the drug for 486 of them, across 19 drugs with 11 or more claims each, at $18,510 in total drug cost.
Dr. Fontanet Perez's Part D claims by kind of drug, 2024
- Generic627 claims90%
- Brand-name67 claims10%
Dr. Fontanet Perez'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. Fontanet Perez's Part D claims, 2024
- Antibiotics20%139 of 694 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Dr. Samuel Agustin Fontanet Perez takes part in Medicare
Dr. Fontanet Perez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Samuel Agustin Fontanet Perez received $755 in industry payments from 2020 to 2024
CMS Open Payments shows 14 general payments to Dr. Fontanet Perez from 7 drug and device companies from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $320.
General payments to Dr. Fontanet Perez by program year, 2020 to 2024
Companies that paid Dr. Fontanet Perez the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Samuel Agustin Fontanet Perez'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Samuel Agustin Fontanet Perez
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. Samuel Agustin Fontanet Perez's NPI number?
Dr. Samuel Agustin Fontanet Perez's NPI number is 1740893817. It was assigned on August 28, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel Agustin Fontanet Perez?
Dr. Samuel Agustin Fontanet Perez is an internist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samuel Agustin Fontanet Perez practice?
Dr. Fontanet Perez practices at 100 Granate, San Juan, PR 00926. Dr. Fontanet Perez's primary practice is Hospital Pavia Yauco in San Juan, Puerto Rico. Dmand AI also links Dr. Fontanet Perez to 1 hospital and 1 hospice.
What is Dr. Samuel Agustin Fontanet Perez's office phone number?
The practice phone on file for Dr. Fontanet Perez is (787) 856-1000.
What is Dr. Samuel Agustin Fontanet Perez's medical license number?
Dr. Fontanet Perez holds Puerto Rico license 22367.
Which hospitals is Dr. Samuel Agustin Fontanet Perez affiliated with?
Dr. Fontanet Perez is affiliated with Hospital Pavia Yauco. Dmand AI links Dr. Fontanet Perez to 1 more hospital.
Does Dr. Samuel Agustin Fontanet Perez accept Medicare?
Yes. CMS lists Dr. Fontanet Perez as accepting Medicare assignment.
What drugs does Dr. Samuel Agustin Fontanet Perez prescribe most?
In 2024 Medicare Part D data, Dr. Fontanet Perez's most prescribed drugs by claims were Atorvastatin Calcium, Levofloxacin and Losartan Potassium.
Has Dr. Samuel Agustin Fontanet Perez received payments from drug or device companies?
CMS Open Payments shows $755 in general payments to Dr. Fontanet Perez from 7 companies from 2020 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Samuel Agustin Fontanet Perez been practicing?
Dr. Fontanet Perez graduated from medical school in 2017, 9 years ago.
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