NPPES file of Aug 9, 2026

Frances Raquel Villarini, MD

Internal Medicine Physician · San Juan, PR

Frances Raquel Villarini, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1437172186, issued on Jul 25, 2006. Check the license (Puerto Rico 13508, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437172186
Name
Frances Raquel Villarini
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
13508 PR
Self-reported in NPPES; status is on the state search
Practice location
663 Calle Acuario, San Juan, PR 00926
Phone
(787) 283-8335
Enumerated
Jul 25, 2006
Record last updated
May 11, 2025
Medicare enrollment
Enrolled (PECOS I20121003000167); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Frances Raquel Villarini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 13508
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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53% more Medicare Part D claims than the average internal medicine physician in 2024

4,845 Medicare Part D claims for 384 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 27 claims were for opioids.

  1. Frances Villarini4,845
  2. Specialty average3,176

Most prescribed

  1. Losartan Potassium205 claims
  2. Synthroid194 claims
  3. Atorvastatin Calcium185 claims
  4. Clonazepam144 claims
  5. Gabapentin132 claims
  6. Metoprolol Succinate132 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: $125.00

5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Frances Villarini$125.00
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Frances Raquel Villarini among 1,146 internal medicine physician records in Puerto Rico

Frances Raquel Villarini, MD is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1997 · median 1996 among the 595 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

322 internal medicine physician records list a practice address in San Juan

They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Fernando Abreu GonzalezSan Juan, PR 009261437100930
  2. Jose Cuebas Vazquez, MDSan Juan, PR 009261356339030
  3. Sandra Franqui Pagan, MDSan Juan, PR 009261427009950
  4. Ramon Gonzalez, M.D.San Juan, PR 009261114984697
  5. Karen Larroy, M.D.San Juan, PR 009261235110164
  6. Tomas Lugo, MDSan Juan, PR 009261356341416
  7. Antonia Marques, M.D.San Juan, PR 009261275579344
  8. Margarita Medina, M.D.San Juan, PR 009261518991017

Common questions

What is Frances Raquel Villarini, MD's NPI number?

Frances Raquel Villarini, MD's National Provider Identifier (NPI) is 1437172186, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frances Raquel Villarini, MD located?

The NPPES record lists a practice address at 663 Calle Acuario, San Juan, PR, 00926. Phone: (787) 283-8335. Providers update this record themselves, so call before visiting.

How can I verify Frances Raquel Villarini, MD's license?

NPPES lists Puerto Rico license number 13508, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Frances Raquel Villarini, MD prescribe under Medicare Part D?

In 2024, Frances Raquel Villarini, MD had 4,845 Medicare Part D claims for 384 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.