NPPES file of Aug 9, 2026

Lydia Diaz Borras, M.D.

Specialist · Caguas, PR

Lydia Diaz Borras, M.D. is a specialist with a practice address in Caguas, Puerto Rico, and NPI 1053391805, issued on Jan 18, 2006. Check the license (Puerto Rico 8799, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053391805
Name
Lydia Diaz Borras
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
8799 PR
Self-reported in NPPES; status is on the state search
Practice location
202 Ave Gautier Benitez, Caguas, PR 00725
Phone
(787) 258-1123
Enumerated
Jan 18, 2006
Record last updated
May 8, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(787) 258-1975
Medicare enrollment
Enrolled (PECOS I20100316000143); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 202 Ave Gautier Benitez

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jose Borras Ramirez, M.D.General Practice Physician1568442564
  2. Samary Feliciano, MSWClinical Social Worker1285281915
  3. Rosa RosarioGeneral Practice Registered Nurse1952845802

Verify Lydia Diaz Borras in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 8799    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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8.5 times the Medicare Part D claims of the average specialist in 2024

11,705 Medicare Part D claims for 347 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Lydia Diaz Borras11,705
  2. Specialty average1,380

Most prescribed

  1. Famotidine622 claims
  2. Synthroid584 claims
  3. Atorvastatin Calcium556 claims
  4. Gabapentin484 claims
  5. Amlodipine Besylate481 claims
  6. Losartan Potassium464 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.

36 specialist records list a practice address in Caguas

They are 36 of the 2,093 NPPES records with a practice address in Caguas, and 574 specialist records in Puerto Rico.

All 36 in Caguas → All 574 in Puerto Rico → Every provider in Caguas →

Other specialist records in Puerto Rico

  1. Alberto Abreu, M.D.Ponce, PR1306821830
  2. Carmen Acantilado, M.D.Bayamon, PR1528044104
  3. Frank Acevedo, M.D.Cayey, PR1780659631
  4. Gloria Acosta, MDAguadilla, PR1154330041
  5. Domingo Acosta-Albino, M.D.Mayaguez, PR1548343031
  6. Chris Marie Adams VegaPonce, PR1912477225
  7. Victor Alers, PHDCamuy, PR1386957512
  8. Anibelle AltieriHato Rey, PR1629049580
  9. Litzy Alvarado, OTRPonce, PR1801004338
  10. Carlos Alvarez, M.D.Bayamon, PR1558445775

Common questions

What is Lydia Diaz Borras, M.D.'s NPI number?

Lydia Diaz Borras, M.D.'s National Provider Identifier (NPI) is 1053391805, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lydia Diaz Borras, M.D. located?

The NPPES record lists a practice address at 202 Ave Gautier Benitez, Caguas, PR, 00725. Phone: (787) 258-1123. Providers update this record themselves, so call before visiting.

How can I verify Lydia Diaz Borras, M.D.'s license?

NPPES lists Puerto Rico license number 8799, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Lydia Diaz Borras, M.D. prescribe under Medicare Part D?

In 2024, Lydia Diaz Borras, M.D. had 11,705 Medicare Part D claims for 347 beneficiaries; the average among specialist prescribers was 1,380. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.