NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Karen Louise Seaver, MD

Internal Medicine Physician in Muskegon, MI · enumerated 2006 · practices at Karen L Seaver MD Plc.

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

National Provider Identifier

1972571370

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Registry record

Entity type Individual (Type 1)
Name Dr. Karen Louise Seaver
Credential MD
Sex Female
Practice address 1325 Mercy Dr, Ste 2, Muskegon, MI, 49444
Enumeration date Mar 10, 2006
Last updated in NPPES Jul 1, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301042032 (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
900006104 Other - PRIORITY HEALTH
1419994 Medicaid MI -
1106100012 Other - MI BLUE CROSS BLUE SHIELD

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

How do I verify Karen Seaver's NPI record?
Cross-check NPI 1972571370 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1972571370 active?
Yes, as of the latest NPPES snapshot, NPI 1972571370 is active (record last updated 2021-07-01).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-01.