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Dr. Gregory J. Downs, M.D.

Anesthesiology Physician in Milwaukee, WI · enumerated 2005.

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

National Provider Identifier

1982687810

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Registry record

Entity type Individual (Type 1)
Name Dr. Gregory J. Downs
Credential M.D.
Sex Male
Practice address 2323 N Lake Dr, Milwaukee, WI, 53211
Phone (414) 291-1000
Enumeration date Nov 23, 2005
Last updated in NPPES Feb 14, 2009

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 39486-020 (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
P00411664 Other - RAIL ROAD MEDICARE
32403300 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 Gregory Downs?
The National Provider Identifier (NPI) for Gregory Downs is 1982687810, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Downs practice?
The practice location on file with NPPES is in Milwaukee, 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 2009-02-14.