DR. GARY L GRAMMENS M.D.
NPI 1528031382
Internal Medicine - Hematology & Oncology in Minneapolis, MN
About Dr. Gary L Grammens M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY L GRAMMENS M.D. (NPI 1528031382) is an individual hematology & oncology provider in Minneapolis, Minnesota, licensed in Minnesota (22088) and active in the NPI registry since February 2006.
NPPES Registry Identity
Specialties & Licenses
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Other Identifiers 1
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.
MINNEAPOLIS, MN 55454
MINNEAPOLIS, MN 55454
MINNEAPOLIS, MN 55454
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 Gary Grammens's NPI number?
The NPI number for Gary Grammens is 1528031382. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Gary Grammens located?
Gary Grammens practices at 701 25th Ave S Suite # 505, Minneapolis, MN 55454. The listed phone number is (612) 455-2050.
What is Gary Grammens's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
When was this NPI record last updated?
The NPPES record for Gary Grammens was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.