Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marlene Beth Seltzer, MD

Obstetrics & Gynecology Physician in Troy, MI · enumerated 2005.

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

National Provider Identifier

1669478475

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Registry record

Entity type Individual (Type 1)

Name Marlene Beth Seltzer

Credential MD

Sex Female

Practice address 3920 W Big Beaver Rd, Ste 444, Troy, MI, 48084

Phone (248) 816-9200

Fax (248) 816-1017

Enumeration date Jun 27, 2005

Last updated in NPPES Nov 23, 2011

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 4301069851 (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
063-26432	Other	MI	BCBS
P61834	Other	MI	BLUE CARE NETWORK
C6301	Other	MI	MCARE
G34926	Other	MI	HAP

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 1669478475 active?

Yes, as of the latest NPPES snapshot, NPI 1669478475 is active (record last updated 2011-11-23).

How do I verify Marlene Seltzer's NPI record?

Cross-check NPI 1669478475 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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Mallory Kestler Behavior Technician · Troy, MI NPI 1073348884

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-23.