Dr. Katherine F. Baker, MD

  • Lisle, IL
  • Radiation oncologist
NPI1558362632PAC ID2264400795
Medicare services, 2024
6,167
Medicare patients, 2024
351
Part D claims, 2024
119
Industry payments
$235
Affiliated sites
3
Practice address
430 Warrenville Rd., Ste. 110, Lisle, IL 60532
Practice phone
Call (630) 469-9200
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Duly Health and Care Lisle

Mammography / Breast Imaging Center · Lisle, Illinois

See all 4 affiliations

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Dr. Katherine F. Baker is a radiation oncologist in Lisle, Illinois

Dr. Baker practices at Duly Health and Care Lisle in Lisle, Illinois.

Dr. Baker's NPI, 1558362632, was assigned on August 10, 2005. Dr. Baker graduated from University of Wisconsin School of Medicine in 1994. Dr. Baker holds Illinois license 036095997.

NPI and contact details
Medicare PAC ID
2264400795
NPI enumeration date
August 10, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(630) 469-9200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Katherine F. Baker practices at Duly Health and Care Lisle in Lisle, Illinois

Dr. Baker's primary practice is Duly Health and Care Lisle, at 430 Warrenville Rd., Ste. 110, Lisle, IL 60532. The practice phone is (630) 469-9200.

  • Duly Health and Care Lisle
    430 Warrenville Rd., Ste. 110, Lisle, IL 60532Phone(630) 469-9200

Source: Dmand AI Affiliation Data

Dr. Katherine F. Baker is affiliated with 3 sites of care and 1 medical group

Dr. Baker's primary practice is Duly Health and Care Lisle in Lisle, Illinois. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Baker to 1 more group practice or clinic and 1 therapy and rehab clinic, each named with a free account. Dr. Baker's employer is on file too: a breast imaging center.

See all 4 affiliations for Dr. Baker

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Katherine F. Baker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Duly Health and Care LisleAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Katherine F. Baker is one of 243 radiation oncologists in Illinois

Radiation oncology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Baker is licensed in Illinois.

Specialties and state licenses

  • Radiation oncology, IllinoisPrimaryLicense 036095997 · taxonomy 2085R0001X

Radiation oncologists near Dr. Baker

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Katherine F. Baker billed Medicare for 6,167 services in 2024

CMS data shows 6,167 Medicare services from Dr. Baker across 29 procedure codes in 2024, for 351 Medicare patients. Medicare paid $1,051,292 for them. Every service was in an office.

Medicare services, 20246,167
Medicare patients351
Paid by Medicare$1.1M
Procedure codes29

Dr. Baker's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 3,1452024: 3,47310%
Other services
2023: 2,2722024: 2,3885%
Office and hospital visits
2023: 2232024: 26017%
Surgery
2023: 212024: 2519%
Lab and pathology
2023: 192024: 2111%

Dr. Baker compared with the Illinois median for radiation oncologists, 2024

  • Dr. Baker
  • Illinois median
Medicare services
6,167vs 1,4594.2 times
Medicare patients
351vs 17699% above
Part D claims
72vs 342.1 times

Medians across 231 radiation oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Baker's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Katherine F. Baker treated 351 Medicare patients in 2024, average age 75

CMS counts 351 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 177 patients. 75% of them have cancer, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 73, with 53% women.

Medicare patients, 2024351
Average age75
Average risk score1.48
Also on Medicaid4%

Dr. Baker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Baker's Medicare patients by sex, 2024

  • Women18954%
  • Men16246%

Chronic conditions among Dr. Baker's Medicare patients, 2024

  1. Cancer75%
  2. High cholesterol75%
  3. High blood pressure71%
  4. Arthritis38%
  5. Ischemic heart disease31%
  6. Chronic kidney disease26%
  7. Diabetes25%
  8. Heart failure21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Baker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Katherine F. Baker wrote 119 Medicare Part D claims in 2024

In 2024, Dr. Baker wrote 119 Medicare Part D claims for 71 patients. 71% of them were for generic drugs. CMS names the drug for 72 of them, across 5 drugs with 11 or more claims each, at $1,002 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.

Part D claims, 2024119
Drugs named by CMS5
Total drug cost$1,002
Part D patients71

Dr. Baker's Part D claims by kind of drug, 2024

  • Generic84 claims71%
  • Brand-name35 claims29%

Dr. Baker's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 252024: 72188%

Drugs named by CMS: 5 in 2024, 2 in 2023.

See all prescribing by Dr. Baker

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Katherine F. Baker offers telehealth to Medicare patients

Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baker as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Katherine F. Baker received $235 in industry payments from 2018 to 2025

CMS Open Payments shows 8 general payments to Dr. Baker from 7 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $71.

General payments to Dr. Baker by program year, 2018 to 2025

Companies that paid Dr. Baker the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Baker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Katherine F. Baker graduated from University of Wisconsin School of Medicine

Dr. Baker graduated from University of Wisconsin School of Medicine in 1994.

  1. Medical schoolUniversity of Wisconsin School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Katherine F. Baker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Katherine F. Baker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Katherine F. Baker's NPI number?

Dr. Katherine F. Baker's NPI number is 1558362632. It was assigned on August 10, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Katherine F. Baker?

Dr. Katherine F. Baker is a radiation oncologist in Lisle, Illinois. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Katherine F. Baker practice?

Dr. Baker practices at 430 Warrenville Rd., Ste. 110, Lisle, IL 60532. Dr. Baker's primary practice is Duly Health and Care Lisle in Lisle, Illinois. Dmand AI also links Dr. Baker to 1 group practice or clinic and 1 therapy and rehab clinic.

What is Dr. Katherine F. Baker's office phone number?

The practice phone on file for Dr. Baker is (630) 469-9200.

What is Dr. Katherine F. Baker's medical license number?

Dr. Baker holds Illinois license 036095997.

What medical group is Dr. Katherine F. Baker part of?

Dr. Baker is linked to DuPage Medical Group.

Does Dr. Katherine F. Baker accept Medicare?

Yes. CMS data shows Dr. Baker billed Medicare for 6,167 services in 2024, and Dr. Baker accepts Medicare assignment.

Does Dr. Katherine F. Baker offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Baker as offering telehealth services.

How many Medicare patients does Dr. Katherine F. Baker see?

CMS counts 351 Medicare patients who saw Dr. Baker in 2024, with an average age of 75.

What services does Dr. Katherine F. Baker bill to Medicare?

In 2024, Dr. Baker's most billed Medicare services were medicare service (G6015), radiation oncology (77014) and medicare service (G6012).

Show 4 more questionsShow fewer questions

Where did Dr. Katherine F. Baker go to medical school?

Dr. Baker graduated from University of Wisconsin School of Medicine in 1994.

What drugs does Dr. Katherine F. Baker prescribe most?

In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Tamsulosin HCl, Mometasone Furoate and Ssd.

Has Dr. Katherine F. Baker received payments from drug or device companies?

CMS Open Payments shows $235 in general payments to Dr. Baker from 7 companies from 2018 to 2025. The largest total came from Johnson & Johnson Surgical Vision, Inc.

How long has Dr. Katherine F. Baker been practicing?

Dr. Baker graduated from medical school in 1994, 32 years ago.

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