NPPES file of Aug 9, 2026

Greta Evangelina Valadez Sanchez, MD

General Practice Physician · Guayanilla, PR

Greta Evangelina Valadez Sanchez, MD is a general practice physician with a practice address in Guayanilla, Puerto Rico, and NPI 1578179701, issued on Sep 22, 2020. Check the license (Puerto Rico 21984, 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
1578179701
Name
Greta Evangelina Valadez Sanchez
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License number
21984 PR
Self-reported in NPPES; status is on the state search
Practice location
15 Calle Benigno Davila, Guayanilla, PR 00656
Phone
(787) 326-6754
Enumerated
Sep 22, 2020
Record last updated
Jan 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 15 Calle Benigno Davila

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

  1. Emilio Quirindongo, MDGeneral Practice Physician1780275719

Verify Greta Evangelina Valadez Sanchez 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 21984
    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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88% fewer Medicare Part D claims than the average general practice physician in 2024

371 Medicare Part D claims for 148 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Greta Valadez Sanchez371
  2. Specialty average3,030

Most prescribed

  1. Tamsulosin Hcl93 claims
  2. Diclofenac Sodium35 claims
  3. Nitrofurantoin26 claims
  4. Gabapentin23 claims
  5. Methylprednisolone23 claims
  6. Nitrofurantoin Mono-Macro16 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.

Greta Evangelina Valadez Sanchez among 4,170 general practice physician records in Puerto Rico

Greta Evangelina Valadez Sanchez, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 73% of them.

  • NPI issued2020 · 73% of these records are older, 22% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 general practice physician records list a practice address in Guayanilla

They are 16 of the 85 NPPES records with a practice address in Guayanilla, and 4,170 general practice physician records in Puerto Rico.

The 8 general practice physician records with the nearest ZIP codes

  1. Alex Cedeno Rodriguez, M.D.Guayanilla, PR 006561326360983
  2. Glorieli Ghigliotti-Lugaro, M.D.Guayanilla, PR 006561073792479
  3. Hector Irizarry, M.D.Guayanilla, PR 006561417152836
  4. Carlos Lopez De Victoria CabreraGuayanilla, PR 006561336165281
  5. Jose Lopez Torres, MDGuayanilla, PR 006561013175850
  6. Jose Lopez Velazquez, MDGuayanilla, PR 006561174543599
  7. Anthony Melendez, Berrios, M.D.Guayanilla, PR 006561275695249
  8. Jose Perez OliveraGuayanilla, PR 006561083862866

Common questions

What is Greta Evangelina Valadez Sanchez, MD's NPI number?

Greta Evangelina Valadez Sanchez, MD's National Provider Identifier (NPI) is 1578179701, issued on Sep 22, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Greta Evangelina Valadez Sanchez, MD located?

The NPPES record lists a practice address at 15 Calle Benigno Davila, Guayanilla, PR, 00656. Phone: (787) 326-6754. Providers update this record themselves, so call before visiting.

How can I verify Greta Evangelina Valadez Sanchez, MD's license?

NPPES lists Puerto Rico license number 21984, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Greta Evangelina Valadez Sanchez, MD prescribe under Medicare Part D?

In 2024, Greta Evangelina Valadez Sanchez, MD had 371 Medicare Part D claims for 148 beneficiaries; the average among general practice physician prescribers was 3,030. 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.