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GREAT LAKES RADIATION ONCOLOGY,
NPI 1861444291
Internal Medicine - Medical Oncology in Brookfield, WI

Active since May 16, 2006
19333 W NORTH AVE, BROOKFIELD, WI 53045(414) 447-2221(262) 641-6880 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Great Lakes Radiation Oncology, NPPES

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

GREAT LAKES RADIATION ONCOLOGY, (NPI 1861444291) is a healthcare organization registered as a medical oncology in Brookfield, Wisconsin and active in the NPI registry since May 2006. The organization lists David M Sherman, President, as its authorized official.

NPPES Registry Identity

NPI1861444291
Entity TypeOrganization
Primary Taxonomy207RX0202X
Legal Business NameGREAT LAKES RADIATION ONCOLOGY,
Location Address19333 W NORTH AVEBrookfield, WI 53045-4132
Mailing Address19333 W North AveBrookfield, WI 53045-4132 · (414) 447-2221 · Fax (262) 641-6880
Phone(414) 447-2221
Fax(262) 641-6880
Organization SubpartNo
Authorized OfficialDavid M ShermanPresident · (414) 447-2221
Enumeration DateMay 16, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1861444291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
19333 W NORTH AVE, Brookfield, WI 53045
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Other Identifiers 1

Medicaid21281300WI

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

HIND MOHAMED ELHASSAN MD
Hospitalist
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (262) 785-3010
PETER T. HANSEN, M.D., S.C.
Anesthesiology (Pain Medicine)
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (262) 785-2000
GARY SWART M.D.
Emergency Medicine
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (262) 785-2058
THOMAS M NIGRO JR. CRNA
Nurse Anesthetist, Certified Registered
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (414) 290-6720
ROBERT M. DHEIN, M.D., S.C.
Anesthesiology (Pain Medicine)
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (262) 785-2000
DEBORAH ZDARSTEK CRNA
Nurse Anesthetist, Certified Registered
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (262) 785-2000
DR. RICHARD W. CHERWENKA M.D.
Anesthesiology
19333 W NORTH AVE
BROOKFIELD, WI 53045
Waukesha County (262) 785-2000
ASCENSION WISCONSIN PHARMACY, INC.
Pharmacy (Community/Retail Pharmacy)
19333 W NORTH AVE, SUITE 390
BROOKFIELD, WI 53045
Waukesha County (262) 780-4430

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Great Lakes Radiation Oncology,'s NPI number?

The NPI number for Great Lakes Radiation Oncology, is 1861444291. It was assigned to this organization in the NPPES registry on May 16, 2006.

Where is Great Lakes Radiation Oncology, located?

Great Lakes Radiation Oncology, is located at 19333 W North Ave, Brookfield, WI 53045. The listed phone number is (414) 447-2221.

What is Great Lakes Radiation Oncology,'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Great Lakes Radiation Oncology, was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.