Giselle Rivera, PH.D.
Pharmacist · Toa Baja, PR
Giselle Rivera, PH.D. is a pharmacist with a practice address in Toa Baja, Puerto Rico, and NPI 1255798716, issued on Jan 28, 2016. Check the license (Puerto Rico 006329, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Giselle Rivera
- Credential
- PH.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 006329 PR
Self-reported in NPPES; status is on the state search - Practice location
- 299 Carr 866, Toa Baja, PR 00949
- Phone
- (787) 780-8426
- Enumerated
- Jan 28, 2016
- Record last updated
- Jan 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,180 in Puerto Rico → Look up another NPI →
Verify Giselle Rivera 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 006329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 98% of the cost of the top drugs
185 Medicare Part D claims for 155 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 98% of claims.
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.
- Shingrix81 claims
- Abrysvo59 claims
- Arexvy22 claims
- Boostrix Tdap16 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.
Giselle Rivera among 3,180 pharmacist records in Puerto Rico
Giselle Rivera, PH.D. 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 2016, is newer than 57% of them.
- NPI issued2016 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2016 · 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).
59 pharmacist records list a practice address in Toa Baja
They are 59 of the 446 NPPES records with a practice address in Toa Baja, and 3,180 pharmacist records in Puerto Rico.
All 3,180 in Puerto Rico → Every provider in Toa Baja → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Mayra BermudezToa Baja, PR 009491245441468
- Vivian Castro, PHARMACISTToa Baja, PR 009491962611491
- Juan DiazToa Baja, PR 009491275727844
- Oscar MercadoToa Baja, PR 009491013128198
- Hilda Milbes, PHARM.D.Toa Baja, PR 009491831309525
- Agnes Molina, RPHToa Baja, PR 009491598949448
- Nilsa NarvaezToa Baja, PR 009491407986722
- Karla Perez, PHARMACISTToa Baja, PR 009491215108964
Common questions
What is Giselle Rivera, PH.D.'s NPI number?
Giselle Rivera, PH.D.'s National Provider Identifier (NPI) is 1255798716, issued on Jan 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Giselle Rivera, PH.D. located?
The NPPES record lists a practice address at 299 Carr 866, Toa Baja, PR, 00949. Phone: (787) 780-8426. Providers update this record themselves, so call before visiting.
How can I verify Giselle Rivera, PH.D.'s license?
NPPES lists Puerto Rico license number 006329, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Giselle Rivera, PH.D. prescribe under Medicare Part D?
In 2024, Giselle Rivera, PH.D. had 185 Medicare Part D claims for 155 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.