Maria M. Vazquez Diaz, M.D.
Internal Medicine Physician · Carolina, PR
Maria M. Vazquez Diaz, M.D. is an internal medicine physician with a practice address in Carolina, Puerto Rico, and NPI 1669673018, issued on May 31, 2007. Check the license (Puerto Rico 16069, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria M. Vazquez Diaz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16069 PR
Self-reported in NPPES; status is on the state search - Practice location
- 6772 AV. Isla Verde Suite 101-A, Carolina, PR 00979
- Phone
- (787) 253-4080
- Enumerated
- May 31, 2007
- Record last updated
- Dec 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (787) 710-9878
- Medicare enrollment
- Enrolled (PECOS I20100617000799); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 6772 AV. Isla Verde Suite 101-A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessie Giron Morel, MDInternal Medicine Physician1811004492
Verify Maria M. Vazquez 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 16069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,002 Medicare Part D claims for 340 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium416 claims
- Famotidine312 claims
- Synthroid306 claims
- Amlodipine Besylate259 claims
- Losartan Potassium257 claims
- Metformin Hcl234 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: $97.90
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Maria M. Vazquez Diaz among 1,146 internal medicine physician records in Puerto Rico
Maria M. Vazquez Diaz, M.D. is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2001 · median 1996 among the 595 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Carolina
They are 22 of the 1,535 NPPES records with a practice address in Carolina, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Carolina → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jessie Giron Morel, MDCarolina, PR 009791811004492
- Carmen Lebron-MaldonadoIsla Verde, PR 009791508927484
- Jose Munoz Benedicto, MDCarolina, PR 009791144205816
- Milton Garland Cansobre, MDTujillo Alto, PR 009781972560993
- Augusto Ayala-Caminero, MDTrujillo Alto, PR 009761558797274
- Awilda Martinez, M.D.Trujillo Alto, PR 009761801879820
- Glorimar Rodriguez Gutierrez, MDTrujillo Alto, PR 009761740847664
- Vanessa Velazquez, M.D.Carolina, PR 009821114075140
Common questions
What is Maria M. Vazquez Diaz, M.D.'s NPI number?
Maria M. Vazquez Diaz, M.D.'s National Provider Identifier (NPI) is 1669673018, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maria M. Vazquez Diaz, M.D. located?
The NPPES record lists a practice address at 6772 AV. Isla Verde Suite 101-A, Carolina, PR, 00979. Phone: (787) 253-4080. Providers update this record themselves, so call before visiting.
How can I verify Maria M. Vazquez Diaz, M.D.'s license?
NPPES lists Puerto Rico license number 16069, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Maria M. Vazquez Diaz, M.D. prescribe under Medicare Part D?
In 2024, Maria M. Vazquez Diaz, M.D. had 7,002 Medicare Part D claims for 340 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.