Michael A. Mastroianni, RPH
Pharmacist · Waterbury, CT
Michael A. Mastroianni, RPH is a pharmacist with a practice address in Waterbury, Connecticut, and NPI 1417511718, issued on Apr 23, 2019. Check the license (Connecticut PCT.0007580, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael A. Mastroianni
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PCT.0007580 CT
Self-reported in NPPES; status is on the state search - Practice location
- Stolls Pharmacy Inc, Waterbury, CT 06710
- Phone
- (203) 575-0199
- Enumerated
- Apr 23, 2019
- Record last updated
- Apr 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (203) 575-0515
- Medicaid ID
- 004083234 CT
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,247 in Connecticut → Look up another NPI →
Verify Michael A. Mastroianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license PCT.0007580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael A. Mastroianni among 3,247 pharmacist records in Connecticut
Michael A. Mastroianni, RPH is one of 3,247 pharmacist records with a practice address in Connecticut. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 64% of them.
- NPI issued2019 · 64% of these records are older, 30% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2019 · 76% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
91 pharmacist records list a practice address in Waterbury
They are 91 of the 3,148 NPPES records with a practice address in Waterbury, and 3,247 pharmacist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,247 in Connecticut → Every provider in Waterbury → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Ruth Melchiori, PHARMDWaterbury, CT 067101689231599
- Edward Schreiner, R.PH.Waterbury, CT 067101720304959
- Xhensila AlickolliWaterbury, CT 067081043668809
- Jeffrey Dalessandro, RPHProspect, CT 067121831230739
- Dredhza Dauti, PHARMDProspect, CT 067121174272389
- Roshica Dehaney, PHARMD, RPHWaterbury, CT 067081396633913
- Kim Devaney, R.PH.Prospect, CT 067121114961364
- Frank Diaferio, PHARMDWaterbury, CT 067081689190753
Common questions
What is Michael A. Mastroianni, RPH's NPI number?
Michael A. Mastroianni, RPH's National Provider Identifier (NPI) is 1417511718, issued on Apr 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Mastroianni, RPH located?
The NPPES record lists a practice address at Stolls Pharmacy Inc, Waterbury, CT, 06710. Phone: (203) 575-0199. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Mastroianni, RPH's license?
NPPES lists Connecticut license number PCT.0007580, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity 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. 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.