Carlos Ruben Diaz, MD
Cardiovascular Disease Physician · Santurce, PR
Carlos Ruben Diaz, MD is a cardiovascular disease physician with a practice address in Santurce, Puerto Rico, and NPI 1093701062, issued on Sep 23, 2005. Check the license (Puerto Rico 009970, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos Ruben Diaz
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 009970 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1449 Calle Americo Salas, Santurce, PR 00909
- Phone
- (787) 721-0525
- Enumerated
- Sep 23, 2005
- Record last updated
- Oct 1, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (787) 722-1225
- Medicare enrollment
- Enrolled (PECOS I20080924000144); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 259 in Puerto Rico → Look up another NPI →
Also registered at 1449 Calle Americo Salas
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Ballester, MDHospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician1164649554
Verify Carlos Ruben Diaz 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 009970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
9,272 Medicare Part D claims for 1,091 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Metoprolol Succinate811 claims
- Losartan Potassium798 claims
- Amlodipine Besylate747 claims
- Atorvastatin Calcium665 claims
- Rosuvastatin Calcium662 claims
- Simvastatin417 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.
Industry payments in 2024: $172.11
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Carlos Ruben Diaz among 259 cardiovascular disease physician records in Puerto Rico
Carlos Ruben Diaz, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1987 · median 1991 among the 218 with a school on file
- Record last updated2014 · 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).
9 cardiovascular disease physician records list a practice address in Santurce
They are 9 of the 201 NPPES records with a practice address in Santurce, and 259 cardiovascular disease physician records in Puerto Rico.
All 259 in Puerto Rico → Every provider in Santurce → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Edmundo Jordan - Morey, MDSan Juan, PR 009091679537120
- Miguel Lopez-Diaz, MDSan Juan, PR 009091568433852
- Paola Mercado Millan, MDSanturce, PR 009091689121634
- Jose Nadal, MDSanturce, PR 009091245325406
- Manuel Quiles Lugo, MDSanturce, PR 009091801871785
- Claudia Rosales-Alvarez, MDSantuce, PR 009091538189121
- Jaime Ruiz-Rodriguez, MDSan Juan, PR 009091245288174
- Sonia Velazquez-Navarro, M.D.San Juan, PR 009091497712392
Common questions
What is Carlos Ruben Diaz, MD's NPI number?
Carlos Ruben Diaz, MD's National Provider Identifier (NPI) is 1093701062, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Ruben Diaz, MD located?
The NPPES record lists a practice address at 1449 Calle Americo Salas, Santurce, PR, 00909. Phone: (787) 721-0525. Providers update this record themselves, so call before visiting.
How can I verify Carlos Ruben Diaz, MD's license?
NPPES lists Puerto Rico license number 009970, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos Ruben Diaz, MD prescribe under Medicare Part D?
In 2024, Carlos Ruben Diaz, MD had 9,272 Medicare Part D claims for 1,091 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.