William Noel Marrero Leon, MD
General Practice Physician · Manati, PR
William Noel Marrero Leon, MD is a general practice physician with a practice address in Manati, Puerto Rico, and NPI 1396356549, issued on Aug 12, 2020. Check the license (Puerto Rico 22410, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Noel Marrero Leon
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- 22410 PR
15441 PR
Self-reported in NPPES; status is on the state search - Practice location
- Calle Hernandes Carrion Carr #2, Manati, PR 00674
- Phone
- (787) 621-3700
- Enumerated
- Aug 12, 2020
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (787) 621-3266
- Medicare enrollment
- Enrolled (PECOS I20211117001078); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify William Noel Marrero Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 22410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average general practice physician in 2024
1,145 Medicare Part D claims for 108 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Losartan Potassium79 claims
- Gabapentin56 claims
- Synthroid47 claims
- Metoprolol Succinate45 claims
- Amlodipine Besylate40 claims
- Atorvastatin Calcium37 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: $249.48
11 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Clinica Las Americas Guaynabo, IncCarolina, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Noel Marrero Leon among 4,170 general practice physician records in Puerto Rico
William Noel Marrero Leon, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 73% of them.
- NPI issued2020 · 73% of these records are older, 22% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2013 · median 2004 among the 1,228 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
106 general practice physician records list a practice address in Manati
They are 106 of the 729 NPPES records with a practice address in Manati, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Manati → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Maria Acevedo Sanchez, M.D.Manati, PR 006741003891367
- Hector Albarran, MDManati, PR 006741730113382
- Karen Alvarez-Vega, M.D.Manati, PR 006741477594737
- Midalie Caban, MDManati, PR 006741801874789
- Emilio Davila AgostoManati, PR 006741235234758
- Mildalias Dominguez Pascual, M.D.Manati, PR 006741538146139
- Fernando Garcia-Cruz, M.D.Manati, PR 006741316041809
- Reynaldo Gomez Adrover, M.D.Manati, PR 006741124025358
Common questions
What is William Noel Marrero Leon, MD's NPI number?
William Noel Marrero Leon, MD's National Provider Identifier (NPI) is 1396356549, issued on Aug 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Noel Marrero Leon, MD located?
The NPPES record lists a practice address at Calle Hernandes Carrion Carr #2, Manati, PR, 00674. Phone: (787) 621-3700. Providers update this record themselves, so call before visiting.
How can I verify William Noel Marrero Leon, MD's license?
NPPES lists Puerto Rico license number 22410, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does William Noel Marrero Leon, MD prescribe under Medicare Part D?
In 2024, William Noel Marrero Leon, MD had 1,145 Medicare Part D claims for 108 beneficiaries; the average among general practice physician prescribers was 3,030. 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.