Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JAMES E RUFFER M.D.
NPI 1679564629
Radiology - Radiation Oncology in Libertyville, IL

Q: What is James Ruffer's NPI number?

The NPI number for James Ruffer is 1679564629. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Q: What is James Ruffer's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for James Ruffer was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

801 S MILWAUKEE AVE, LIBERTYVILLE, IL 60048(847) 990-5910 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 7, 2026, Dec 27, 2021, Oct 12, 2016 (3 updates tracked since 2016).

On this page

About Dr. James E Ruffer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES E RUFFER M.D. (NPI 1679564629) is an individual radiation oncology provider in Libertyville, Illinois, licensed in Illinois (036099331) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Northwestern University Feinberg Medical School (1989).

NPPES Registry Identity

NPI1679564629

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. JAMES E RUFFERCredential: M.D.

Location Address801 S MILWAUKEE AVELibertyville, IL 60048-3204

Mailing Address700 Commerce Dr Ste 500Oak Brook, IL 60523-8736 · (847) 698-0600 · Fax (847) 698-0601

Phone(847) 990-5910

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1989

Enumeration DateOctober 31, 2005

Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration

NPPES CertifiedAugust 7, 2026

✔ NPI 1679564629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in IL · 036099331

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

801 S MILWAUKEE AVE, Libertyville, IL 60048

Open in Google Maps ↗

Other Identifiers 5

Other920005580IL · Railroad Medicare

Other778401IL · Medicare Provider Number

Medicaid036099331IL

Other558620IL · Medicare Provider Number

Other920005272IL · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James E Ruffer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769469048

PECOS Enrollment IDI20100318000403

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

369 services48 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

155 services50 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

143 services58 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

142 services71 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

82 services64 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

59 services42 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

53 services50 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

48 services48 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

38 services33 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

38 services33 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

37 services32 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

29 services27 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

28 services27 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

22 services21 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

16 services15 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

15 services15 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

15 services15 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

12 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140182

Location836 West Wellington AvenueChicago, IL 60657 · Cook County

Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140202

Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County

Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140223

Location1775 Dempster StPark Ridge, IL 60068 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$181.38 typical visit price

range $59.81 – $181.38

Typical copayment $45.34 (range $14.95 – $45.34)

Most-billed visit code 99205

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANNA MAE STEGEMANN D.O.

Anesthesiology

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (847) 990-2135

MAUREEN FRITZ DPT

Physical Therapist

801 S MILWAUKEE AVE, REHAB DEPARTMENT
LIBERTYVILLE, IL 60048

Lake County (847) 990-5350

DR. DEAN JOSEPH CONTERATO MD

Radiology (Radiation Oncology)

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (847) 990-5910

GLORIA BOLAND BSN, RN, CDCES

Registered Nurse (Diabetes Educator)

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (847) 990-5579

CONDELL MEDICAL CENTER

General Acute Care Hospital

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (847) 362-2900

MARINA LYUBKIN

Nurse Practitioner

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (847) 362-2900

IHC-LIBERTYVILLE EMERGENCY PHYSICIANS, LLC

Emergency Medicine

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (414) 290-6718

DR. DIMITRIOS T. MOUGOLIAS M.D.

Emergency Medicine

801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048

Lake County (847) 990-2075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Ruffer's NPI number?

The NPI number for James Ruffer is 1679564629. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is James Ruffer located?

James Ruffer practices at 801 S Milwaukee Ave, Libertyville, IL 60048. The listed phone number is (847) 990-5910.

What is James Ruffer's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is James Ruffer enrolled in Medicare?

Yes. James Ruffer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Ruffer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list James Ruffer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Ruffer affiliated with any hospitals?

According to CMS data, James Ruffer is affiliated with Northshore University Healthsystem - Evanston Hospital, Advocate Illinois Masonic Medical Center, Advocate Condell Medical Center and Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for James Ruffer was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.