Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph Mertz, R.PH.
Pharmacist in Norwich, CT · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427228444
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Registry record
Entity type Individual (Type 1)
Name Joseph Mertz
Credential R.PH.
Sex Male
Practice address 624 W Main St, Norwich, CT, 06360
Phone (860) 886-1417
Enumeration date Mar 5, 2008
Last updated in NPPES Mar 5, 2008
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Joseph Mertz?
The National Provider Identifier (NPI) for Joseph Mertz is 1427228444, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Mertz practice?
The practice location on file with NPPES is in Norwich, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Robert Dinwoodie Emergency Medicine Physician · Norwich, CT NPI 1457358475 Jason Shapiro Emergency Medicine Physician · Norwich, CT NPI 1598720062 Scott Beaulieu Pharmacist · Norwich, CT NPI 1396039525 Yumiko Pitman Pharmacist · Norwich, CT NPI 1255614574 Jacklyn Obeng Family Nurse Practitioner · Norwich, CT NPI 1114328507 Walgreen Co Pharmacy · Norwich, CT NPI 1891218582 National Vision Inc Optometrist · Norwich, CT NPI 1275128100 Ashley Goulet Family Nurse Practitioner · Norwich, CT NPI 1871226480
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-05.