Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Kenneth A Krajewski, MD

Individual provider Hematology & Oncology Physician · NPI 1154585172

Kenneth A Krajewski, MD practises Hematology/Oncology in Grand Rapids, Michigan. Graduated from University of Louisville School of Medicine in 2008, 18 years ago. Practices with Geisinger Clinic, a 3,413-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Michigan and Pennsylvania.

Years since qualifying
18
Trained at
University of Louisville School of Medicine
Licensed in
MI, PA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1534 Groton Rd SE
Grand Rapids, MI 49506-4754
Phone: (616) 685-5600
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 100 N Academy Ave, Danville, PA 17822-9800 — (570) 271-6045

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 4301104456 (MI)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD474077 (PA)

Record details

NPI number1154585172
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2008
Last updated in NPPESFebruary 26, 2025
Certification dateFebruary 26, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesMEDICAL ONCOLOGY
Medical schoolUNIVERSITY OF LOUISVILLE SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients19
Services billed 23 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Geisinger Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3413 clinicians in the practice; 12 are shown here.

Other providers in Grand Rapids