Glenn Jay Mason, RPH
Pharmacist · Norwalk, CT
Glenn Jay Mason, RPH is a pharmacist with a practice address in Norwalk, Connecticut, and NPI 1558684100, issued on Mar 10, 2010. Check the license (Connecticut 6298, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Glenn Jay Mason
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 6298 CT
Self-reported in NPPES; status is on the state search - Practice location
- 16 Stonybrook RD, Norwalk, CT 06851
- Phone
- (203) 846-4601
- Enumerated
- Mar 10, 2010
- Record last updated
- Mar 10, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,247 in Connecticut → Look up another NPI →
Verify Glenn Jay Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6298Check 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
72 Medicare Part D claims for 69 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% 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.
- Shingrix36 claims
- Abrysvo33 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.
Glenn Jay Mason among 3,247 pharmacist records in Connecticut
Glenn Jay Mason, 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. Its NPI, issued in 2010, is newer than 10% of them.
- NPI issued2010 · 10% of these records are older, 87% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2010 · 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).
87 pharmacist records list a practice address in Norwalk
They are 87 of the 1,993 NPPES records with a practice address in Norwalk, and 3,247 pharmacist records in Connecticut.
All 3,247 in Connecticut → Every provider in Norwalk → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Charles Abraham, PHARM D.Norwalk, CT 068511356623052
- Danielle Ballentine, RPHNorwalk, CT 068511033487178
- Tara Capasso, RPHNorwalk, CT 068511285902221
- Tiffany Castelli, PHARMDNorwalk, CT 068511174826689
- Sonali Chakraborti-Costa, RPHNorwalk, CT 068511306166491
- Fareed Choudhry, PHARM. DNorwalk, CT 068511811292824
- Michael Egege, B.PHARMNorwalk, CT 068511578843207
- Seynabou Fall, PHARM DNorwalk, CT 068511922380617
Common questions
What is Glenn Jay Mason, RPH's NPI number?
Glenn Jay Mason, RPH's National Provider Identifier (NPI) is 1558684100, issued on Mar 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Jay Mason, RPH located?
The NPPES record lists a practice address at 16 Stonybrook RD, Norwalk, CT, 06851. Phone: (203) 846-4601. Providers update this record themselves, so call before visiting.
How can I verify Glenn Jay Mason, RPH's license?
NPPES lists Connecticut license number 6298, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Glenn Jay Mason, RPH prescribe under Medicare Part D?
In 2024, Glenn Jay Mason, RPH had 72 Medicare Part D claims for 69 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.