Dr. William Noel Marrero Leon, MD
- Part D claims, 2024
- 1,145
- Industry payments
- $1,169
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- Carr 190 8 Sabana Abajo, Carolina, PR 00983-7401
- Practice phone
- Call (787) 789-1996
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Salus Guaynabo - Carolina (Carr 190)
Multi-specialty group site · Carolina, Puerto Rico
Find Dr. Marrero Leon'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. William Noel Marrero Leon is a general practice physician in Manati, Puerto Rico
Dr. Marrero Leon practices at Salus Guaynabo - Carolina (Carr 190) in Carolina, Puerto Rico.
Dr. Marrero Leon's NPI, 1396356549, was assigned on August 12, 2020. Dr. Marrero Leon holds Puerto Rico license 22410.
- NPI
- 1396356549NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557750353
- NPI enumeration date
- August 12, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 789-1996
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Noel Marrero Leon practices in Carolina and Manati
Dr. Marrero Leon's primary practice is Salus Guaynabo - Carolina (Carr 190), at Carr 190 8 Sabana Abajo, Carolina, PR 00983-7401. The practice phone is (787) 789-1996. The NPI Registry lists Dr. Marrero Leon's practice address as 47 Calle 7, Manati, PR 00674.
- Salus Guaynabo - Carolina (Carr 190)PrimaryCarr 190 8 Sabana Abajo, Carolina, PR 00983-7401Phone(787) 789-1996
- NPI Registry address47 Calle 7, Manati, PR 00674 · Manati CountyPhone(787) 621-3700
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. William Noel Marrero Leon is affiliated with 1 site of care and 1 medical group
Dr. Marrero Leon's primary practice is Salus Guaynabo - Carolina (Carr 190) in Carolina, Puerto Rico. The medical group on file is Salus Guaynabo.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William Noel Marrero Leon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marrero Leon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Salus Guaynabo - Carolina (Carr 190) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Noel Marrero Leon is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Marrero Leon's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Marrero Leon is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Marrero Leon
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. William Noel Marrero Leon's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Marrero Leon's median patient age at 58, with 63% women.
Dr. Marrero Leon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. William Noel Marrero Leon wrote 1,145 Medicare Part D claims in 2024
In 2024, Dr. Marrero Leon wrote 1,145 Medicare Part D claims for 108 patients. 81% of them were for generic drugs. CMS names the drug for 786 of them, across 29 drugs with 11 or more claims each, at $55,172 in total drug cost. In 2023, CMS named 80 claims across 5 drugs.
Dr. Marrero Leon's Part D claims by kind of drug, 2024
- Generic925 claims81%
- Brand-name209 claims18%
- Other11 claims1%
Dr. Marrero Leon'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. Marrero Leon's Part D claims, 2024
- Antibiotics2%19 of 1,145 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: 802024: 786882%
Drugs named by CMS: 29 in 2024, 5 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
How Dr. William Noel Marrero Leon takes part in Medicare
Dr. Marrero Leon 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. William Noel Marrero Leon received $1,169 in industry payments from 2021 to 2025
CMS Open Payments shows 35 general payments to Dr. Marrero Leon from 13 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $361.
General payments to Dr. Marrero Leon by program year, 2021 to 2025
Companies that paid Dr. Marrero Leon the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Noel Marrero Leon'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. William Noel Marrero Leon
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. William Noel Marrero Leon's NPI number?
Dr. William Noel Marrero Leon's NPI number is 1396356549. It was assigned on August 12, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. William Noel Marrero Leon?
Dr. William Noel Marrero Leon is a general practice physician in Manati, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. William Noel Marrero Leon practice?
Dr. Marrero Leon practices at Carr 190 8 Sabana Abajo, Carolina, PR 00983-7401. Dr. Marrero Leon also practices at 47 Calle 7, Manati, PR 00674. Dr. Marrero Leon's primary practice is Salus Guaynabo - Carolina (Carr 190) in Carolina, Puerto Rico.
What is Dr. William Noel Marrero Leon's office phone number?
The practice phone on file for Dr. Marrero Leon is (787) 789-1996.
What is Dr. William Noel Marrero Leon's medical license number?
Dr. Marrero Leon holds Puerto Rico license 22410.
What medical group is Dr. William Noel Marrero Leon part of?
Dr. Marrero Leon is linked to Salus Guaynabo.
Does Dr. William Noel Marrero Leon accept Medicare?
Yes. CMS lists Dr. Marrero Leon as accepting Medicare assignment.
What drugs does Dr. William Noel Marrero Leon prescribe most?
In 2024 Medicare Part D data, Dr. Marrero Leon's most prescribed drugs by claims were Losartan Potassium, Gabapentin and Synthroid.
Has Dr. William Noel Marrero Leon received payments from drug or device companies?
CMS Open Payments shows $1,169 in general payments to Dr. Marrero Leon from 13 companies from 2021 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. William Noel Marrero Leon been practicing?
Dr. Marrero Leon graduated from medical school in 2013, 13 years ago.
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