NPPES file of Aug 9, 2026

Wanda I. Diaz, RPH

Pharmacist · Bayamon, PR

Wanda I. Diaz, RPH is a pharmacist with a practice address in Bayamon, Puerto Rico, and NPI 1942597604, issued on Jul 1, 2011. Check the license (Puerto Rico 4157, 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
1942597604
Name
Wanda I. Diaz
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
4157 PR
Self-reported in NPPES; status is on the state search
Practice location
Farmacia Walgreens 12652, Bayamon, PR 00956
Phone
(787) 797-8705
Enumerated
Jul 1, 2011
Record last updated
Jul 1, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(787) 799-3222
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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Verify Wanda I. Diaz 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 4157
    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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Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs

104 Medicare Part D claims for 86 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 97% of claims.

  1. Wanda Diaz104
  2. Specialty average119

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix44 claims
  2. Abrysvo22 claims
  3. Arexvy22 claims
  4. Boostrix Tdap13 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.

Wanda I. Diaz among 3,180 pharmacist records in Puerto Rico

Wanda I. Diaz, RPH is one of 3,180 pharmacist records with a practice address in Puerto Rico. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 37% of them.

  • NPI issued2011 · 37% of these records are older, 52% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2011 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

240 pharmacist records list a practice address in Bayamon

They are 240 of the 2,958 NPPES records with a practice address in Bayamon, and 3,180 pharmacist records in Puerto Rico.

The 8 pharmacist records with the nearest ZIP codes

  1. Filina CeballosBayamon, PR 009561225047319
  2. Elba ChineaBayamon, PR 009561558406421
  3. Eulalio CruzadoBayamon, PR 009561841209947
  4. Helen FesholdBayamon, PR 009561881740660
  5. Maritza LamenzaBayamon, PR 009561518076132
  6. Daris Lopez-Montanez, RPHBayamon, PR 009561134274210
  7. Rosa OliverasBayamon, PR 009561760605091
  8. Juan OrtizBayamon, PR 009561881720787

Common questions

What is Wanda I. Diaz, RPH's NPI number?

Wanda I. Diaz, RPH's National Provider Identifier (NPI) is 1942597604, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Wanda I. Diaz, RPH located?

The NPPES record lists a practice address at Farmacia Walgreens 12652, Bayamon, PR, 00956. Phone: (787) 797-8705. Providers update this record themselves, so call before visiting.

How can I verify Wanda I. Diaz, RPH's license?

NPPES lists Puerto Rico license number 4157, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Wanda I. Diaz, RPH prescribe under Medicare Part D?

In 2024, Wanda I. Diaz, RPH had 104 Medicare Part D claims for 86 beneficiaries; the average among pharmacist prescribers was 119. 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.