DR. KATHERINE LESLIE GRIEM (MD) – Radiation Oncology Physician, NPI 1679574735

Radiation Oncology Physician

DR. KATHERINE LESLIE GRIEM (MD) is a healthcare provider. based in Berwyn, Illinois. specializing in Radiation Oncology Physician. They hold the professional credentials MD. They hold a License No. 036067292 (IL). The NPI Number for DR. KATHERINE LESLIE GRIEM (MD) is 1679574735

Main info

Female

44 Years Of Experience

Accepts Medicare Assignment

Name

DR. KATHERINE LESLIE GRIEM (MD)

NPI

1679574735

Phone

(705) 484-0011

Address

6801 W 34TH ST

Enumeration Date

10 August 2005

Last Update Date

14 June 2021

Doctor Profile

Medical School Name

HARVARD MEDICAL SCHOOL

Secondary Phone

7084840011

Graduation Year

1982 (44 years ago)

PAC ID

6507846953

Group Practice PAC ID

6305814948

Professional Enrollment ID

I20040726000028

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness75

Years active:20State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for DR. KATHERINE LESLIE GRIEM (MD)

West 34th Street, Cicero, Cook County, Illinois, 60804, United States
BERWYN, IL 604025591
Phone: (705) 484-0011
Type: Location
355 Ridge Ave
Evanston, IL 602023328
Phone: (847) 316-6104
Type: Location
2900 N Lake Shore Dr
Chicago, IL 606575640
Phone: (773) 665-3803
Type: Location
PO BOX 74
HIAWATHA, IA 522330074
Phone: (630) 734-9560
Fax: (630) 734-9565
Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60402)

Loading plans...

Provider's Procedures

DR. KATHERINE LESLIE GRIEM (MD) performs procedures in Radiation Oncology Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
RADIATION ONCOLOGY	IL	77300	Calculation of radiation therapy dose	175	38

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 6305814948View full group profile

Name	Specialty	State
DR. DENNIS LEE GALINSKY (MD)	-	IL

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

How is DR. KATHERINE LESLIE GRIEM (MD) identified in CMS data?

CMS-hosted NPPES data lists DR. KATHERINE LESLIE GRIEM (MD) with NPI 1679574735.

Can I rely on DR. KATHERINE LESLIE GRIEM (MD) being an active provider?

As of the registry snapshot, DR. KATHERINE LESLIE GRIEM (MD) is marked active.

What is DR. KATHERINE LESLIE GRIEM (MD)'s primary classification?

Radiation Oncology Physician is the headline specialty for DR. KATHERINE LESLIE GRIEM (MD) here. Clinical services aligned with this taxonomy classification.

Where should I expect DR. KATHERINE LESLIE GRIEM (MD) on a map?

Expect Berwyn, Illinois as a primary anchor for DR. KATHERINE LESLIE GRIEM (MD) unless the record lists multiple sites.

Is the information about DR. KATHERINE LESLIE GRIEM (MD) up to date?

Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."