Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Susan E Ritter, M.D.

Obstetrics Physician in Marquette, MI · enumerated 2006.

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

National Provider Identifier

1518052919

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Registry record

Entity type Individual (Type 1)

Name Susan E Ritter

Credential M.D.

Sex Female

Practice address 1414 W Fair Avenue, Suite 390, Marquette, MI, 49855

Phone (906) 225-3881

Fax (906) 225-0994

Enumeration date Oct 3, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 4301064446 (MI) Secondary

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians · License 4301064446 (MI) Secondary

207VX0000X Obstetrics Physician Allopathic & Osteopathic Physicians · License 4301064446 (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
05224442	Other	MI	BC/BS
3081352	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

Is NPI 1518052919 active?

Yes, as of the latest NPPES snapshot, NPI 1518052919 is active (record last updated 2025-09-11).

How do I verify Susan Ritter's NPI record?

Cross-check NPI 1518052919 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.