Dr. Roberto Marrero Sr., MD
- Part D claims, 2024
- 79
- Hospital affiliations
- 1
- Industry payments
- $96
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- Carr 2 Bo Sabalos, Mayaguez, PR 00682
- Practice phone
- Call (787) 652-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marrero'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. Roberto Marrero Sr. is a general practice physician in Mayaguez, Puerto Rico
Dr. Marrero practices at Mayagüez Medical Center in Mayaguez, Puerto Rico, part of Grupo Hospitalario.
Dr. Marrero's NPI, 1205305448, was assigned on November 16, 2018. Dr. Marrero holds Puerto Rico license 021164.
- NPI
- 1205305448NPI Registry (opens in a new tab)
- NPI enumeration date
- November 16, 2018
- NPI status
- Active
- Practice phone
- (787) 652-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Roberto Marrero Sr. practices at 2 locations in Mayaguez, Puerto Rico
Dr. Marrero's primary practice is Mayagüez Medical Center, at Carr 2 Bo Sabalos, Mayaguez, PR 00682 in Mayaguez County. The practice phone is (787) 652-9200. Dr. Marrero also practices at Mayaguez Medical Center Dr Ramon Emeterio Betances Inc, 410 Ave Hostos, Mayaguez, PR 00682.
- Mayagüez Medical CenterPrimaryCarr 2 Bo Sabalos, Mayaguez, PR 00682 · Mayaguez CountyPhone(787) 652-9200
- Mayaguez Medical Center Dr Ramon Emeterio Betances Inc410 Ave Hostos, Mayaguez, PR 00682 · Mayaguez CountyPhone(787) 652-9200
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Roberto Marrero Sr. is affiliated with 1 site of care
Dr. Marrero's primary practice is Mayagüez Medical Center in Mayaguez, Puerto Rico, part of Grupo Hospitalario.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roberto Marrero Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marrero practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayagüez Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roberto Marrero Sr. is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Marrero's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Marrero is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Marrero
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. Roberto Marrero Sr.'s patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Marrero's median patient age at 74, with 78% women.
Dr. Marrero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Roberto Marrero Sr. wrote 79 Medicare Part D claims in 2024
In 2024, Dr. Marrero wrote 79 Medicare Part D claims for 61 patients. 92% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $96 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Dr. Marrero's Part D claims by kind of drug, 2024
- Generic73 claims92%
- Brand-name and other6 claims8%
Dr. Marrero'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's Part D claims, 2024
- Antibiotics35%28 of 79 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: 312024: 1358%
Drugs named by CMS: 1 in 2024, 2 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
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Dr. Roberto Marrero Sr. received $96 in industry payments from 2019 to 2025
CMS Open Payments shows 5 general payments to Dr. Marrero from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 80% of the total. Chiesi USA, Inc. paid the most, $41.
General payments to Dr. Marrero by program year, 2019 to 2025
General payments to Dr. Marrero by kind, 2019 to 2025
- Food and beverage$7780%
- Gifts$2020%
Companies that paid Dr. Marrero the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Roberto Marrero Sr.'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Roberto Marrero Sr.
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. Roberto Marrero Sr.'s NPI number?
Dr. Roberto Marrero Sr.'s NPI number is 1205305448. It was assigned on November 16, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Roberto Marrero Sr.?
Dr. Roberto Marrero Sr. is a general practice physician in Mayaguez, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Roberto Marrero Sr. practice?
Dr. Marrero practices at Carr 2 Bo Sabalos, Mayaguez, PR 00682. Dr. Marrero also practices at 410 Ave Hostos, Mayaguez, PR 00682. Dr. Marrero's primary practice is Mayagüez Medical Center in Mayaguez, Puerto Rico, part of Grupo Hospitalario.
What is Dr. Roberto Marrero Sr.'s office phone number?
The practice phone on file for Dr. Marrero is (787) 652-9200.
What is Dr. Roberto Marrero Sr.'s medical license number?
Dr. Marrero holds Puerto Rico license 021164.
Which hospitals is Dr. Roberto Marrero Sr. affiliated with?
Dr. Marrero practices at Mayagüez Medical Center in Mayaguez, Puerto Rico.
What drugs does Dr. Roberto Marrero Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Marrero's most prescribed drugs by claims were Clindamycin HCl.
Has Dr. Roberto Marrero Sr. received payments from drug or device companies?
CMS Open Payments shows $96 in general payments to Dr. Marrero from 3 companies from 2019 to 2025. The largest total came from Chiesi USA, Inc.
How long has Dr. Roberto Marrero Sr. been practicing?
Dr. Marrero's NPI was assigned in 2018.
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