Luis M. Diaz Barrios, MD.
Cardiovascular Disease Physician · Fajardo, PR
Luis M. Diaz Barrios, MD. is a cardiovascular disease physician with a practice address in Fajardo, Puerto Rico, and NPI 1629159645, issued on Oct 17, 2006. Check the license (Puerto Rico 8546, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Luis M. Diaz Barrios
- Credential
- MD.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 8546 PR
Self-reported in NPPES; status is on the state search - Practice location
- Ave. General Valero #303, Fajardo, PR 00738
- Phone
- (787) 860-0005
- Enumerated
- Oct 17, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 860-0676
- Medicare enrollment
- Enrolled (PECOS I20101229000230); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 259 in Puerto Rico → Look up another NPI →
Verify Luis M. Diaz Barrios 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 8546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
518 Medicare Part D claims for 159 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Losartan Potassium72 claims
- Amlodipine Besylate57 claims
- Eliquis55 claims
- Atorvastatin Calcium32 claims
- Gabapentin31 claims
- Famotidine15 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.
Luis M. Diaz Barrios among 259 cardiovascular disease physician records in Puerto Rico
Luis M. Diaz Barrios, MD. is one of 259 cardiovascular disease physician records with a practice address in Puerto Rico. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 34% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1981 · median 1991 among the 218 with a school on file
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Puerto Rico
There are 259 cardiovascular disease physician records in Puerto Rico.
All 259 in Puerto Rico → Every provider in Fajardo → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Angel Quesada Alonso, MDFajardo, PR 007381518939545
- Don Rivera, MDCayey, PR 007371912035122
- Julia Vazquez Martirena, M.D.Cidra, PR 007391497964878
- Orlando Carrasquillo-Navarro, M.D.Cayey, PR 007361740462522
- Fernando Lopez, M.D.Cayey, PR 007361285631747
- Adolfo Sanchez Ortiz, M.D.Cayey, PR 007361821017419
- Isamuel Santos Roales, M.D.Cayey, PR 007361477990133
- Edgardo Bermudez Moreno, MDPonce, PR 007311891746624
Common questions
What is Luis M. Diaz Barrios, MD.'s NPI number?
Luis M. Diaz Barrios, MD.'s National Provider Identifier (NPI) is 1629159645, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Luis M. Diaz Barrios, MD. located?
The NPPES record lists a practice address at Ave. General Valero #303, Fajardo, PR, 00738. Phone: (787) 860-0005. Providers update this record themselves, so call before visiting.
How can I verify Luis M. Diaz Barrios, MD.'s license?
NPPES lists Puerto Rico license number 8546, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Luis M. Diaz Barrios, MD. prescribe under Medicare Part D?
In 2024, Luis M. Diaz Barrios, MD. had 518 Medicare Part D claims for 159 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.