Katherine Leslie Griem, MD
Radiation Oncology Physician · Berwyn, IL
Katherine Leslie Griem, MD is a radiation oncology physician with a practice address in Berwyn, Illinois, and NPI 1679574735, issued on Aug 10, 2005. Check the license (Illinois 036067292, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Leslie Griem
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 036067292 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6801 W 34TH St, Berwyn, IL 60402
- Phone
- (705) 484-0011
- Enumerated
- Aug 10, 2005
- Record last updated
- Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 036067292 IL
- Entity
- Type 1 · individual
Verify Katherine Leslie Griem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036067292Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Radiation Oncology Physician providers in Illinois
There are 277 radiation oncology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other radiation oncology physician records in Illinois
- Mohamed Abazeed, MD, PHDChicago, IL1205096609
- Christopher Abraham, MDSpringfield, IL1083900294
- Ross Abrams, M.D.Chicago, IL1356317564
- Iftekhar Ahmad, M.D.Rockford, IL1164641791
- Elke Aippersbach, M.D.,M.SC.,Oak Lawn, IL1285754895
- Adil Akthar, M.D.Warrenville, IL1598175531
- Neal Andruska, MD, PHDWarrenville, IL1972035798
- Sobiya Ansari, M.D.Chicago, IL1336554666
- Muzamil Arshad, MD/PHDChicago, IL1518429570
- Guhan Arumugam Shanmugasundaram, M.B.B.S.Chicago, IL1023800943
Common questions
What is Katherine Leslie Griem, MD's NPI number?
Katherine Leslie Griem, MD's National Provider Identifier (NPI) is 1679574735, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Leslie Griem, MD located?
The NPPES record lists a practice address at 6801 W 34TH St, Berwyn, IL, 60402. Phone: (705) 484-0011. Providers update this record themselves, so call before visiting.
How can I verify Katherine Leslie Griem, MD's license?
NPPES lists Illinois license number 036067292, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.