NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Mary Margaret Fedewa, CRNP CNS

Nurse Practitioner in Dewitt, MI · enumerated 2012.

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

National Provider Identifier

1659624138

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ms. Mary Margaret Fedewa
Credential CRNP CNS
Sex Female
Practice address Dewitt, MI, 48820
Phone (517) 899-0816
Enumeration date Oct 20, 2012
Last updated in NPPES Oct 20, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704149241 (MI) Primary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 15347 (CA) Secondary
364S00000X Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 2258 (CA) Secondary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mary Fedewa?
The National Provider Identifier (NPI) for Mary Fedewa is 1659624138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Fedewa practice?
The practice location on file with NPPES is in Dewitt, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-20.