Katherine F. Baker, MD
Radiation Oncology Physician · Lisle, IL
Katherine F. Baker, MD is a radiation oncology physician with a practice address in Lisle, Illinois, and NPI 1558362632, issued on Aug 10, 2005. Check the license (Illinois 036095997, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Katherine F. Baker
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 036095997 IL
Self-reported in NPPES; status is on the state search - Practice location
- 430 Warrenville RD, Lisle, IL 60532
- Phone
- (630) 432-6745
- Enumerated
- Aug 10, 2005
- Record last updated
- Aug 3, 2023
- Medicare enrollment
- Enrolled (PECOS I20040922000237); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Also registered at 430 Warrenville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Amini PanahNurse Practitioner1720760705
- Suchitra Bhakta, MDEndocrinology, Diabetes & Metabolism Physician1912988247
- Kristiana Burlini, DPTPhysical Therapist1720644966
- Eric Clymer, DOEmergency Medicine Physician1053400952
- Sheila Erasmus, NP-CNurse Practitioner1588324883
- Daniel Frank, M.D.Hematology & Oncology Physician1437194610
Verify Katherine F. Baker 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 036095997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average radiation oncology physician in 2024
119 Medicare Part D claims for 71 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Tamsulosin Hcl17 claims
- Mometasone Furoate15 claims
- Ssd14 claims
- Nystatin13 claims
- Silver Sulfadiazine13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $30.95
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Dupage Medical Group LtdLisle, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine F. Baker among 277 radiation oncology physician records in Illinois
Katherine F. Baker, MD is one of 277 radiation oncology physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2004 among the 184 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Illinois
There are 277 radiation oncology physician records in Illinois.
All 277 in Illinois → Every provider in Lisle → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Paul Kreinbrink, M.D.Lisle, IL 605321073044640
- Samuel Hellman, MDBurr Ridge, IL 605271083773527
- Neil Das Gupta, M.D.Naperville, IL 605401316974363
- William Fischer, M.D.Hinsdale, IL 605211275791907
- William Hartsell, M.D.Hinsdale, IL 605211770574881
- Kapila Kalakota, M.D.Hinsdale, IL 605211841428281
- Chirag Modi, M.D.Hinsdale, IL 605211649701087
- Patrick Sweeney, M.D.Hinsdale, IL 605211316938384
Common questions
What is Katherine F. Baker, MD's NPI number?
Katherine F. Baker, MD's National Provider Identifier (NPI) is 1558362632, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine F. Baker, MD located?
The NPPES record lists a practice address at 430 Warrenville RD, Lisle, IL, 60532. Phone: (630) 432-6745. Providers update this record themselves, so call before visiting.
How can I verify Katherine F. Baker, MD's license?
NPPES lists Illinois license number 036095997, 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.
How much does Katherine F. Baker, MD prescribe under Medicare Part D?
In 2024, Katherine F. Baker, MD had 119 Medicare Part D claims for 71 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.