Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Bontumasi
Pharmacist in Clio, MI · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538445150
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Registry record
Entity type Individual (Type 1)
Name Mary Bontumasi
Sex Female
Practice address 710 S Mill St, Clio, MI, 48420
Phone (810) 686-0004
Fax (810) 564-3181
Enumeration date Oct 27, 2011
Last updated in NPPES Oct 27, 2011
Taxonomy & licenses
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 Mary Bontumasi?
The National Provider Identifier (NPI) for Mary Bontumasi is 1538445150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Bontumasi practice?
The practice location on file with NPPES is in Clio, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-27.