Andrea Del Toro Diez, MD
Endocrinology, Diabetes & Metabolism Physician · San Juan, PR
Andrea Del Toro Diez, MD is an endocrinology, diabetes & metabolism physician with a practice address in San Juan, Puerto Rico, and NPI 1437551314, issued on Sep 22, 2014. Check the license (Puerto Rico 21393, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrea Del Toro Diez
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 21393 PR
Self-reported in NPPES; status is on the state search - Practice location
- 300 Ave Dona Felisa Rincon DE Gautier, San Juan, PR 00926
- Phone
- (787) 936-2066
- Enumerated
- Sep 22, 2014
- Record last updated
- Feb 9, 2026
- Fax
- (787) 936-2066
- Medicare enrollment
- Enrolled (PECOS I20210525001298); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 144 in Puerto Rico → Look up another NPI →
Verify Andrea Del Toro Diez 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 21393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
6,490 Medicare Part D claims for 647 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Synthroid644 claims
- Rosuvastatin Calcium535 claims
- Trulicity437 claims
- Atorvastatin Calcium422 claims
- Ozempic410 claims
- Glimepiride328 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: $702.64
16 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Andrea Del Toro Diez among 144 endocrinology, diabetes & metabolism physician records in Puerto Rico
Andrea Del Toro Diez, MD is one of 144 endocrinology, diabetes & metabolism 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 2014, is newer than 66% of them.
- NPI issued2014 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2016 · median 2007 among the 119 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Puerto Rico
There are 144 endocrinology, diabetes & metabolism physician records in Puerto Rico.
All 144 in Puerto Rico → Every provider in San Juan → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Manuel Alegre-Hernandez, MDSan Juan, PR 009261316092208
- Jorge Rohena, M.D.San Juan, PR 009261053519439
- Melba Feliciano, MDSan Juan, PR 009271174635262
- Harry Jimenez, MDSan Juan, PR 009271497782551
- Brigida Colon Barreto, MDSan Juan, PR 009241962989301
- Jorge De Jesus Miranda, MDSan Juan, PR 009241376630202
- Ivan Rivera Nazario, MDSan Juan, PR 009281124554449
- Nicolas Cruz Dardiz, M.D.San Juan, PR 009221619351103
Common questions
What is Andrea Del Toro Diez, MD's NPI number?
Andrea Del Toro Diez, MD's National Provider Identifier (NPI) is 1437551314, issued on Sep 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Del Toro Diez, MD located?
The NPPES record lists a practice address at 300 Ave Dona Felisa Rincon DE Gautier, San Juan, PR, 00926. Phone: (787) 936-2066. Providers update this record themselves, so call before visiting.
How can I verify Andrea Del Toro Diez, MD's license?
NPPES lists Puerto Rico license number 21393, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Andrea Del Toro Diez, MD prescribe under Medicare Part D?
In 2024, Andrea Del Toro Diez, MD had 6,490 Medicare Part D claims for 647 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.