Dr. Gabriel Oscar Monagas, MD
- Medicare services, 2022
- 13
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 79
- Hospital affiliations
- 3
- Industry payments
- $1,011
- Practice address
- Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683
- Practice phone
- Call (787) 852-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Monagas' professional email, personal email and mobile number
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Dr. Gabriel Oscar Monagas is an interventional radiologist in San German, Puerto Rico
Dr. Monagas practices at Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez.
Dr. Monagas' NPI, 1184895005, was assigned on March 19, 2008. Dr. Monagas graduated from University of Puerto Rico School of Medicine in 2006. Dr. Monagas holds Puerto Rico license 16960.
- NPI
- 1184895005NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890936199
- NPI enumeration date
- March 19, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 852-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gabriel Oscar Monagas practices at 2 locations in San German, Puerto Rico
Dr. Monagas' primary practice is Hospital Metropolitano San Germán, at Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683 in San German County. The practice phone is (787) 852-5300. Dr. Monagas also practices at Hospital Metropolitano San German, 8 Calle Javilla, San German, PR 00683.
- Hospital Metropolitano San GermánPrimaryCalle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683 · San German CountyPhone(787) 852-5300
- Hospital Metropolitano San German8 Calle Javilla, San German, PR 00683 · San German CountyPhone(787) 892-1860
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gabriel Oscar Monagas is affiliated with 5 sites of care and 1 medical group
Dr. Monagas' primary practice is Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez. Dr. Monagas is also affiliated with Hospital de la Concepción. Dmand AI also links Dr. Monagas to 1 more hospital, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gabriel Oscar Monagas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Monagas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Metropolitano San Germán | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Diócesis de Mayagüez and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gabriel Oscar Monagas is one of 28 interventional radiologists in Puerto Rico
Vascular and interventional radiology is Dr. Monagas' primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Monagas is licensed in Puerto Rico.
Specialties and state licenses
- Vascular and interventional radiology, Puerto RicoPrimary
Interventional radiologists near Dr. Monagas
Counts of interventional radiologists 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. Gabriel Oscar Monagas billed Medicare for 13 services in 2022
CMS data shows 13 Medicare services from Dr. Monagas across 1 procedure code in 2022, for 33 Medicare patients. Medicare paid $1,567 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Monagas' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 182022: 1328%
Dr. Monagas compared with the Puerto Rico median for interventional radiologists, 2022
- Dr. Monagas
- Puerto Rico median
- Medicare services
- 13vs 5777% below
- Medicare patients
- 33vs 5034% below
- Part D claims
- 48vs 48Close to median
Medians across 27 interventional radiologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Monagas' most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Monagas and other interventional radiologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gabriel Oscar Monagas treated 33 Medicare patients in 2024, average age 71
CMS counts 33 Medicare patients who saw Dr. Monagas in 2024. 73% of them have high blood pressure, and 58% have high cholesterol. 39% are also on Medicaid. Their average risk score is 3.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Monagas' median patient age at 76, with 70% women.
Dr. Monagas' Medicare patients by sex, 2024
- Women1958%
- Men1442%
Chronic conditions among Dr. Monagas' Medicare patients, 2024
- High blood pressure73%
- High cholesterol58%
- Chronic kidney disease52%
- Diabetes52%
- Heart failure39%
- Ischemic heart disease36%
- Arthritis33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Monagas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gabriel Oscar Monagas wrote 79 Medicare Part D claims in 2024
In 2024, Dr. Monagas wrote 79 Medicare Part D claims for 42 patients. 94% of them were for generic drugs. CMS names the drug for 48 of them, across 2 drugs with 11 or more claims each, at $189 in total drug cost. In 2023, CMS named 65 claims across 2 drugs.
Dr. Monagas' Part D claims by kind of drug, 2024
- Generic74 claims94%
- Brand-name and other5 claims6%
Dr. Monagas' 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. Monagas' Part D claims, 2024
- Antibiotics61%48 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: 652024: 4826%
Drugs named by CMS: 2 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
How Dr. Gabriel Oscar Monagas takes part in Medicare
Dr. Monagas 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. Gabriel Oscar Monagas received $1,011 in industry payments from 2016 to 2025
CMS Open Payments shows 26 general payments to Dr. Monagas from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bard Access Systems, Inc. paid the most, $215.
General payments to Dr. Monagas by program year, 2016 to 2025
Companies that paid Dr. Monagas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gabriel Oscar Monagas graduated from University of Puerto Rico School of Medicine
Dr. Monagas graduated from University of Puerto Rico School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gabriel Oscar Monagas'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Gabriel Oscar Monagas
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. Gabriel Oscar Monagas' NPI number?
Dr. Gabriel Oscar Monagas' NPI number is 1184895005. It was assigned on March 19, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gabriel Oscar Monagas?
Dr. Gabriel Oscar Monagas is an interventional radiologist in San German, Puerto Rico. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. Gabriel Oscar Monagas practice?
Dr. Monagas practices at Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683. Dr. Monagas also practices at 8 Calle Javilla, San German, PR 00683. Dr. Monagas' primary practice is Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez. Dmand AI also links Dr. Monagas to 1 hospital, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Gabriel Oscar Monagas' office phone number?
The practice phone on file for Dr. Monagas is (787) 852-5300.
What is Dr. Gabriel Oscar Monagas' medical license number?
Dr. Monagas holds Puerto Rico license 16960.
Which hospitals is Dr. Gabriel Oscar Monagas affiliated with?
Dr. Monagas practices at Hospital Metropolitano San Germán in San German, Puerto Rico. Dr. Monagas is also affiliated with Hospital de la Concepción. Dmand AI links Dr. Monagas to 1 more hospital.
Does Dr. Gabriel Oscar Monagas accept Medicare?
Yes. CMS data shows Dr. Monagas billed Medicare for 13 services in 2022, and Dr. Monagas accepts Medicare assignment.
How many Medicare patients does Dr. Gabriel Oscar Monagas see?
CMS counts 33 Medicare patients who saw Dr. Monagas in 2024, with an average age of 71.
What services does Dr. Gabriel Oscar Monagas bill to Medicare?
In 2022, Dr. Monagas' most billed Medicare services were hospital inpatient care (99223).
Where did Dr. Gabriel Oscar Monagas go to medical school?
Dr. Monagas graduated from University of Puerto Rico School of Medicine in 2006.
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What drugs does Dr. Gabriel Oscar Monagas prescribe most?
In 2024 Medicare Part D data, Dr. Monagas' most prescribed drugs by claims were Ciprofloxacin HCl and Metronidazole.
Has Dr. Gabriel Oscar Monagas received payments from drug or device companies?
CMS Open Payments shows $1,011 in general payments to Dr. Monagas from 11 companies from 2016 to 2025. The largest total came from Bard Access Systems, Inc.
How long has Dr. Gabriel Oscar Monagas been practicing?
Dr. Monagas graduated from medical school in 2006, 20 years ago.
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