Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marcia Louise Ritter, RPH
Pharmacist in Corning, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003098393
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Registry record
Entity type Individual (Type 1)
Name Marcia Louise Ritter
Credential RPH
Sex Female
Practice address 375 West Pulteney Street, Corning, NY, 14830
Phone (607) 937-5374
Fax (607) 936-8817
Enumeration date Nov 29, 2007
Last updated in NPPES Oct 5, 2021
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
Where does Marcia Ritter practice?
The practice location on file with NPPES is in Corning, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marcia Ritter?
The National Provider Identifier (NPI) for Marcia Ritter is 1003098393, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-05.