GREGORY B BUCK MD
NPI 1417989641
Internal Medicine in Wauwatosa, WI

Q: What is Gregory Buck's NPI number?

The NPI number for Gregory Buck is 1417989641. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Q: What is Gregory Buck's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Buck was last updated on September 23, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 07, 2006

3289 N MAYFAIR RD, WAUWATOSA, WI 53222(414) 771-7900(414) 607-6336 Get Directions Write a Review

NPPES record last updated: September 23, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Gregory B Buck Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY B BUCK MD (NPI 1417989641) is an individual internal medicine provider in Wauwatosa, Wisconsin, licensed in Wisconsin (25211) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1417989641

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameGREGORY B BUCKCredential: MD

Location Address3289 N MAYFAIR RDWauwatosa, WI 53222-3203

Mailing Address3003 W Good Hope RoadMilwaukee, WI 53209 · (414) 352-3100

Phone(414) 771-7900

Fax(414) 607-6336

Sole ProprietorNo

Enumeration DateJuly 7, 2006

Last NPPES UpdateSeptember 23, 2010

✔ NPI 1417989641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in WI · 25211

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3289 N MAYFAIR RD, Wauwatosa, WI 53222

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Other Identifiers 5

OtherP00460089WI · Rr Medicare

Medicare PIN01994-0086WI

Medicare UPINB51826

Medicare PIN46236-0086WI

Medicaid30637700WI

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEETHA GANESAN M.D.

Internal Medicine