Dr. James E. Ruffer, MD

  • Libertyville, IL
  • Radiation oncologist
NPI1679564629PAC ID2769469048
Medicare services, 2024
1,301
Medicare patients, 2024
200
Part D claims, 2024
61
Publications
3
MIPS score, 2024
75
Practice address
801 S Milwaukee Ave, Libertyville, IL 60048
Practice phone
Call (847) 362-2900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Advocate Condell Medical Center

Hospital · Libertyville, Illinois

See all 7 affiliations

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Dr. James E. Ruffer is a radiation oncologist in Libertyville, Illinois

Dr. Ruffer practices at Advocate Condell Medical Center in Libertyville, Illinois, part of Advocate Health.

Dr. Ruffer's NPI, 1679564629, was assigned on October 31, 2005. Dr. Ruffer graduated from Feinberg School of Medicine in 1989. Dr. Ruffer holds Illinois license 036099331.

NPI and contact details
Medicare PAC ID
2769469048
NPI enumeration date
October 31, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 362-2900
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. James E. Ruffer practices at Advocate Condell Medical Center in Libertyville, Illinois

Dr. Ruffer's primary practice is Advocate Condell Medical Center, at 801 S Milwaukee Ave, Libertyville, IL 60048 in Lake County. The practice phone is (847) 362-2900.

Source: Dmand AI Affiliation Data

Dr. James E. Ruffer is affiliated with 6 sites of care and 1 medical group

Dr. Ruffer's primary practice is Advocate Condell Medical Center in Libertyville, Illinois, part of Advocate Health. Dr. Ruffer is also affiliated with Evanston Hospital. The medical group on file is Radiation Oncology Consultants. Dmand AI also links Dr. Ruffer to 2 more hospitals, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.

See all 7 affiliations for Dr. Ruffer

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

Dmand AI tracks the EHR system at Dr. James E. Ruffer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruffer practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advocate Condell Medical CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. James E. Ruffer is one of 243 radiation oncologists in Illinois

Radiation oncology is Dr. Ruffer's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Ruffer is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Ruffer's licenses on file in 3 states: Illinois, Pennsylvania and New Jersey.

Specialties and state licenses

  • Radiation oncology, IllinoisPrimaryLicense 036099331 · 1998 to 2026 · taxonomy 2085R0001X
  • Pennsylvania license1992 to 2006
  • New Jersey license1993 to 1999

Clinical focus

Dmand AI lists bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI, colorectal cancer radiation, head & neck cancer radiation and lung cancer radiation among the conditions Dr. Ruffer treats.

Radiation oncologists near Dr. Ruffer

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. James E. Ruffer billed Medicare for 1,301 services in 2024

CMS data shows 1,301 Medicare services from Dr. Ruffer across 18 procedure codes in 2024, for 200 Medicare patients. Medicare paid $108,245 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,301
Medicare patients200
Paid by Medicare$108,245
Procedure codes18

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

  • 2023
  • 2024
Imaging
2023: 1,1372024: 1,0607%
Office and hospital visits
2023: 2162024: 24112%
Other services
2023: 312024: 0100%

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

  • Dr. Ruffer
  • Illinois median
Medicare services
1,301vs 1,45911% below
Medicare patients
200vs 17614% above
Part D claims
34vs 34Close to median

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

Dr. Ruffer'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.

See all procedures by Dr. Ruffer

Need commercial claims for Dr. Ruffer?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ruffer and other radiation oncologists in Illinois.

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

Dr. James E. Ruffer treated 200 Medicare patients in 2024, average age 75

CMS counts 200 Medicare patients who saw Dr. Ruffer in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have cancer, and 75% have high blood pressure. 12% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ruffer's median patient age at 69, with 67% women.

Medicare patients, 2024200
Average age75
Average risk score2.06
Also on Medicaid12%

Dr. Ruffer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ruffer's Medicare patients by sex, 2024

  • Women11658%
  • Men8442%

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

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Arthritis49%
  5. COPD35%
  6. Diabetes34%
  7. Chronic kidney disease31%
  8. Ischemic heart disease29%

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

Dr. Ruffer's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women67%
  • Men32%

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

Dr. James E. Ruffer wrote 61 Medicare Part D claims in 2024

In 2024, Dr. Ruffer wrote 61 Medicare Part D claims for 33 patients. 97% of them were for generic drugs. CMS names the drug for 34 of them, across 2 drugs with 11 or more claims each, at $511 in total drug cost. In 2021, CMS named 13 claims across 1 drug.

Part D claims, 202461
Drugs named by CMS2
Total drug cost$511
Part D patients33

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

  • Generic59 claims97%
  • Brand-name and other2 claims3%

Dr. Ruffer's most prescribed drugs by claims, 2023

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, 2021 to 2023

  • 2021
  • 2023
Claims for drugs CMS names
2021: 132023: 34162%

Drugs named by CMS: 2 in 2023, 1 in 2021.

See all prescribing by Dr. Ruffer

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. James E. Ruffer scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Ruffer for performance year 2024, reported individually. Dr. Ruffer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Ruffer's MIPS scores, performance year 2024

  • 75of 100Final score
  • 86.8of 100Quality
  • 0of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. James E. Ruffer has 3 publications on record

Dmand AI links 3 papers to Dr. Ruffer. Dr. Ruffer's most frequent co-authors are Gregory A. Broderick, MD, Leonard A. Farber, MD and Corey J. Langer, MD.

Papers3

Dr. Ruffer's most frequent co-authors

Recent publications by Dr. Ruffer

See all 3 publications and co-authors

See who Dr. Ruffer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruffer works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James E. Ruffer received $2,620 in industry payments from 2016 to 2025

CMS Open Payments shows 36 general payments to Dr. Ruffer from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Carl Zeiss Meditec, Inc. paid the most, $940.

General payments to Dr. Ruffer by program year, 2016 to 2025

General payments to Dr. Ruffer by kind, 2016 to 2025

$2.6Kin total
  • Food and beverage$2,12081%
  • Travel and lodging$50019%

Companies that paid Dr. Ruffer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ruffer

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

Dr. James E. Ruffer has 1 award and honors on record

Dmand AI lists 1 award for Dr. Ruffer.

Awards and honors for Dr. Ruffer

  1. Undated
    • Regional Top Doctor

Source: Dmand AI Professional Profile Data

Dr. James E. Ruffer graduated from Feinberg School of Medicine

Dr. Ruffer graduated from Feinberg School of Medicine in 1989. Dr. Ruffer is a member of ASCO.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. James E. Ruffer accepts plans from 17 insurance carriers

Dr. Ruffer is in network with 17 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Ruffer accepts, by number of carriers

  1. PPO12
  2. HMO9
  3. Medicare9
  4. POS6
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. James E. Ruffer'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. James E. Ruffer

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. James E. Ruffer's NPI number?

Dr. James E. Ruffer's NPI number is 1679564629. It was assigned on October 31, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. James E. Ruffer?

Dr. James E. Ruffer is a radiation oncologist in Libertyville, Illinois. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. James E. Ruffer practice?

Dr. Ruffer practices at 801 S Milwaukee Ave, Libertyville, IL 60048. Dr. Ruffer's primary practice is Advocate Condell Medical Center in Libertyville, Illinois, part of Advocate Health. Dmand AI also links Dr. Ruffer to 2 hospitals, 1 group practice or clinic and 1 hospital outpatient department.

What is Dr. James E. Ruffer's office phone number?

The practice phone on file for Dr. Ruffer is (847) 362-2900.

What is Dr. James E. Ruffer's medical license number?

Dr. Ruffer holds Illinois license 036099331, one of the licenses on file in 3 states.

Which states has Dr. James E. Ruffer been licensed in?

Dmand AI has state licenses on file for Dr. Ruffer in Illinois (1998 to 2026), Pennsylvania (1992 to 2006) and New Jersey (1993 to 1999).

Which hospitals is Dr. James E. Ruffer affiliated with?

Dr. Ruffer practices at Advocate Condell Medical Center in Libertyville, Illinois. Dr. Ruffer is also affiliated with Evanston Hospital. Dmand AI links Dr. Ruffer to 2 more hospitals.

What medical group is Dr. James E. Ruffer part of?

Dr. Ruffer is linked to Radiation Oncology Consultants.

Does Dr. James E. Ruffer accept Medicare?

Yes. CMS data shows Dr. Ruffer billed Medicare for 1,301 services in 2024, and Dr. Ruffer accepts Medicare assignment.

What is Dr. James E. Ruffer's MIPS score?

Dr. Ruffer's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. James E. Ruffer see?

CMS counts 200 Medicare patients who saw Dr. Ruffer in 2024, with an average age of 75.

Is Dr. James E. Ruffer board certified?

Yes. Dr. Ruffer is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. James E. Ruffer bill to Medicare?

In 2024, Dr. Ruffer's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77334).

Where did Dr. James E. Ruffer go to medical school?

Dr. Ruffer graduated from Feinberg School of Medicine in 1989.

What drugs does Dr. James E. Ruffer prescribe most?

In 2023 Medicare Part D data, Dr. Ruffer's most prescribed drugs by claims were Gabapentin and Lidocaine HCl Viscous.

Has Dr. James E. Ruffer received payments from drug or device companies?

CMS Open Payments shows $2,620 in general payments to Dr. Ruffer from 17 companies from 2016 to 2025. The largest total came from Carl Zeiss Meditec, Inc.

How long has Dr. James E. Ruffer been practicing?

Dr. Ruffer graduated from medical school in 1989, 37 years ago.

Does Dr. James E. Ruffer do research?

Dmand AI links 3 publications to Dr. Ruffer.

Who does Dr. James E. Ruffer publish with?

Dr. Ruffer's most frequent co-authors are Gregory A. Broderick, MD (1 shared paper), Leonard A. Farber, MD (1 shared paper) and Corey J. Langer, MD (1 shared paper).

What insurance does Dr. James E. Ruffer accept?

Dr. Ruffer is in network with 17 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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