Doctor profile · Federal record

Dr. William Marrero Leon, MD

General Practice Physician (CMS: General Practice) · General Practice Physician · Manati, PR

  • NPI 1396356549
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Calle Hernandes Carrion Carr #2, Intercepcion 668 Urb Atenas
Manati, PR 006741142
(787) 621-3700
fax (787) 621-3266

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Profile last updated
December 3, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208D00000X — NUCC code
State licenses (2)
Puerto Rico #22410 · Puerto Rico #15441

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396356549. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$249
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 4 $90.66
Exelixis INC. 2 $48.71
Genentech USA, INC. 2 $41.80
Pbg Puerto Rico LLC 2 $39.70
Sobi, INC 1 $28.61

By nature of payment

Food and Beverage
$249

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
80
Patients
25
Total drug cost
$2,362
Drug Type Claims Patients Total cost
Losartan Potassium Generic 23 11 $289
Dexamethasone Generic 15 14 $191
Rosuvastatin Calcium Generic 15 0 $210
Atorvastatin Calcium Generic 14 0 $195
Synthroid (Levothyroxine Sodium) Brand 13 0 $1,477

Frequently asked questions

Auto-generated from federal data
What is Dr. William Marrero Leon's medical specialty?
Dr. William Marrero Leon practices General Practice Physician in Manati, PR.
Where does Dr. William Marrero Leon practice?
Dr. William Marrero Leon practices at Calle Hernandes Carrion Carr #2, Manati, PR 006741142. Office phone: 7876213700.
What is Dr. William Marrero Leon's NPI?
Dr. William Marrero Leon's National Provider Identifier (NPI) is 1396356549, issued by NPPES.
Does Dr. William Marrero Leon accept Medicare assignment?
Yes. Dr. William Marrero Leon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.