Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marilynn S. Dewald, M.D.

Family Medicine Physician in Houghton, MI · enumerated 2005.

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

National Provider Identifier

1548262702

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Registry record

Entity type Individual (Type 1)

Name Dr. Marilynn S. Dewald

Credential M.D.

Sex Female

Practice address 1000 Cedar St, Houghton, MI, 49931

Phone (906) 487-1710

Fax (906) 487-9421

Enumeration date Jun 1, 2005

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 4301056759 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
233857	Other	MI	RHC MEDICARE NUMBER
4301056759	Other	MI	MI LICENSE NUMBER
2668377	Medicaid	MI	-

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 Marilynn Dewald?

The National Provider Identifier (NPI) for Marilynn Dewald is 1548262702, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marilynn Dewald practice?

The practice location on file with NPPES is in Houghton, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.