Maria Dueno, M.D.
Gastroenterology Physician · Bayamon, PR
Maria Dueno, M.D. is a gastroenterology physician with a practice address in Bayamon, Puerto Rico, and NPI 1295766855, issued on Jul 5, 2006. Check the license (Puerto Rico 7342, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Dueno
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 7342 PR
Self-reported in NPPES; status is on the state search - Practice location
- Bayamon Medical Plz, Bayamon, PR 00959
- Phone
- (787) 789-3238
- Enumerated
- Jul 5, 2006
- Entity
- Type 1 · individual
Also registered at Bayamon Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maria Dueno 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 7342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
20 Medicare Part D claims, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D.
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.
Gastroenterology Physician providers in Puerto Rico
There are 156 gastroenterology physician records in Puerto Rico.
Other gastroenterology physician records in Puerto Rico
- Yamilka Abreu Delgado, MDHumacao, PR1164670295
- Melvyn Acosta, M.D.Hato Rey, PR1811993660
- Mamie Annexy Lopez, MDManati, PR1497894505
- Ivan Antunez Gonzalez, M.D.Guaynabo, PR1962457408
- Nestor Aponte-Reyes, MDManati, PR1003816802
- Javier Arroyo, MDHumacao, PR1598729162
- Ricardo Arroyo, M.D.Bayamon, PR1750491056
- Luis Arturi, MDSan Juan, PR1063407591
- Conrado Asenjo, MDSan Juan, PR1104835073
- Jose Baez, M.D.Mayaguez, PR1154443661
Common questions
What is Maria Dueno, M.D.'s NPI number?
Maria Dueno, M.D.'s National Provider Identifier (NPI) is 1295766855, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Dueno, M.D. located?
The NPPES record lists a practice address at Bayamon Medical Plz, Bayamon, PR, 00959. Phone: (787) 789-3238. Providers update this record themselves, so call before visiting.
How can I verify Maria Dueno, M.D.'s license?
NPPES lists Puerto Rico license number 7342, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Dueno, M.D. prescribe under Medicare Part D?
In 2024, Maria Dueno, M.D. had 20 Medicare Part D claims; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.