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Dr. Mark A Schrager, M.D.

Rheumatology Physician in Glendale, WI · enumerated 2006.

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

National Provider Identifier

1588695738

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Registry record

Entity type Individual (Type 1)
Name Dr. Mark A Schrager
Credential M.D.
Sex Male
Practice address 7080 N Port Washington Rd, Glendale, WI, 53217
Phone (414) 351-4009
Fax (414) 351-7060
Enumeration date Jul 6, 2006
Last updated in NPPES Apr 20, 2008

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 17692 (WI) 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
30918700 Medicaid WI -

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

What is the NPI number for Mark Schrager?
The National Provider Identifier (NPI) for Mark Schrager is 1588695738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Schrager practice?
The practice location on file with NPPES is in Glendale, WI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-20.