Maria M. Diaz, DMD
Dentist · Guaynabo, PR
Maria M. Diaz, DMD is a dentist with a practice address in Guaynabo, Puerto Rico, and NPI 1346467024, issued on Apr 20, 2007. Check the license (Puerto Rico 2568, 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. Diaz
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 2568 PR
30.024571 OH
Self-reported in NPPES; status is on the state search - Practice location
- Super Centro LA Muda Carr. 20 KM.9.2, Guaynabo, PR 00970
- Phone
- (787) 790-1781
- Enumerated
- Apr 20, 2007
- Record last updated
- Jul 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (787) 790-2063
- Entity
- Type 1 · individual
8 nearest dentist records → All 462 in Puerto Rico → Look up another NPI →
Verify Maria M. 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 2568Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average dentist in 2024
74 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Pantoprazole Sodium13 claims
- Furosemide11 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.
Maria M. Diaz among 462 dentist records in Puerto Rico
Maria M. Diaz, DMD is one of 462 dentist records with a practice address in Puerto Rico. 67% 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 44% of them.
- NPI issued2007 · 44% of these records are older, 32% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2015 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 dentist records list a practice address in Guaynabo
They are 21 of the 2,143 NPPES records with a practice address in Guaynabo, and 462 dentist records in Puerto Rico.
All 462 in Puerto Rico → Every provider in Guaynabo → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Lindanyr Arroyo Calixto, D.M.DGuaynabo, PR 009691225427891
- Jaime Batlle, D.M.DGuaynabo, PR 009691780700666
- Michael Bravo-Loubriel, DMDGuaynabo, PR 009711386841294
- Myrna Camacho, DMDGuaynabo, PR 009691912208166
- Richard Canizares, DMDGuaynabo, PR 009691740512532
- Lucemille Comas, D.D.S.Guaynabo, PR 009691811047061
- Maria Corretjer, DMDGuaynabo, PR 009691144423310
- David Diaz Rubayo, DMDGuaynabo, PR 009691619455623
Common questions
What is Maria M. Diaz, DMD's NPI number?
Maria M. Diaz, DMD's National Provider Identifier (NPI) is 1346467024, issued on Apr 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maria M. Diaz, DMD located?
The NPPES record lists a practice address at Super Centro LA Muda Carr. 20 KM.9.2, Guaynabo, PR, 00970. Phone: (787) 790-1781. Providers update this record themselves, so call before visiting.
How can I verify Maria M. Diaz, DMD's license?
NPPES lists Puerto Rico license number 2568, 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. Diaz, DMD prescribe under Medicare Part D?
In 2024, Maria M. Diaz, DMD had 74 Medicare Part D claims; the average among dentist prescribers was 86. 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.