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Merl J. Mast, MERL MAST

Family Nurse Practitioner in South Bend, IN · enumerated 2010 · practices at Ambulatory Care Solutions.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1235441924

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Registry record

Entity type Individual (Type 1)
Name Merl J. Mast
Credential MERL MAST
Sex Male
Practice address 5735 S Ironwood Rd, South Bend, IN, 46614
Phone (574) 299-4847
Enumeration date Jul 9, 2010
Last updated in NPPES Jul 8, 2013

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 71003521A (IN) Primary

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.

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Frequently asked questions

What is the NPI number for Merl Mast?
The National Provider Identifier (NPI) for Merl Mast is 1235441924, a Type 1 (individual) record in the CMS NPPES registry.
Where does Merl Mast practice?
The practice location on file with NPPES is in South Bend, IN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-08.