Mayra Y. Rivera
Pharmacist · Caguas, PR
Mayra Y. Rivera is a pharmacist with a practice address in Caguas, Puerto Rico, and NPI 1790322071, issued on Dec 5, 2019. Check the license (Puerto Rico 4180, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mayra Y. Rivera
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 4180 PR
Self-reported in NPPES; status is on the state search - Practice location
- 191 Calle Gautier Benitez, Caguas, PR 00725
- Phone
- (787) 703-3081
- Enumerated
- Dec 5, 2019
- Record last updated
- Dec 5, 2019 (not updated in 7 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 →
Also registered at 191 Calle Gautier Benitez
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vilmarie CollazoPharmacy Technician1083291769
- Aidelis Medina FloresPharmacist1053271643
- Lexaly MelendezPharmacist1659149524
- Sandra PortilloPharmacy Technician1922684463
- Sandra RiveraPharmacy Technician1386220077
- Brenda RodriguezPharmacy Technician1770160921
Verify Mayra Y. 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 4180Check 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, 100% of the cost of the top drugs
49 Medicare Part D claims for 37 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 88% 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.
- Shingrix23 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.
Mayra Y. Rivera among 3,180 pharmacist records in Puerto Rico
Mayra Y. Rivera 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 2019, is newer than 65% of them.
- NPI issued2019 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2019 · 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).
164 pharmacist records list a practice address in Caguas
They are 164 of the 2,093 NPPES records with a practice address in Caguas, and 3,180 pharmacist records in Puerto Rico.
All 3,180 in Puerto Rico → Every provider in Caguas → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Luis Aponte, RPHCaguas, PR 007251538297577
- Victor Aviles, PHCaguas, PR 007251356326698
- Myrna Diaz, LIC.Caguas, PR 007251356439822
- Mayra Donato, RPHCaguas, PR 007251700914744
- Maritza Laguna, RPHCaguas, PR 007251013002351
- Monica LebronCaguas, PR 007251659413763
- Evelyn Malpica, PHARM. DCaguas, PR 007251891797114
- Carlos Ocasio, BACHIDERATOCaguas, PR 007251104969799
Common questions
What is Mayra Y. Rivera's NPI number?
Mayra Y. Rivera's National Provider Identifier (NPI) is 1790322071, issued on Dec 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mayra Y. Rivera located?
The NPPES record lists a practice address at 191 Calle Gautier Benitez, Caguas, PR, 00725. Phone: (787) 703-3081. Providers update this record themselves, so call before visiting.
How can I verify Mayra Y. Rivera's license?
NPPES lists Puerto Rico license number 4180, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Mayra Y. Rivera prescribe under Medicare Part D?
In 2024, Mayra Y. Rivera had 49 Medicare Part D claims for 37 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.