Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Claudia A Finkelstein, MD

Geriatric Medicine (Internal Medicine) Physician in East Lansing, MI · enumerated 2006 · practices at Michigan State University.

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

National Provider Identifier

1245316090

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Registry record

Entity type Individual (Type 1)

Name Claudia A Finkelstein

Credential MD

Sex Female

Practice address 804 Service Rd Ste A142, East Lansing, MI, 48824

Phone (517) 353-3050

Fax (517) 432-3742

Enumeration date Oct 27, 2006

Last updated in NPPES Aug 27, 2018

Taxonomy & licenses

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License MD00034725 (WA) 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
1245316090	Medicaid	WA	-
227120	Other	-	INTERNAL ID-MOTOR VEHICLE ID
0230977	Other	WA	L&I
1245316090	Medicaid	MI	-
200021905	Other	WA	RAIL ROAD MEDICARE

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 Claudia Finkelstein?

The National Provider Identifier (NPI) for Claudia Finkelstein is 1245316090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Claudia Finkelstein practice?

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

Other providers at this practice address

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Michigan State University Family Nurse Practitioner · East Lansing, MI NPI 1639253784 Carrie Sandborn Family Medicine Physician · East Lansing, MI NPI 1356540116 Patrick Crane Gerontology Nurse Practitioner · East Lansing, MI NPI 1508242447

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-27.