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

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
900 W NELSON ST, CHICAGO, IL 60657(773) 296-7076 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 27, 2021, Oct 12, 2016 (2 updates tracked since 2016).

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 Chicago, 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 maintains 2 additional practice locations.

NPPES Registry Identity

NPI1679564629
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameDR. JAMES E RUFFERCredential: M.D.
Location Address900 W NELSON STChicago, IL 60657-6704
Mailing Address700 Commerce Dr, Suite 500Oak Brook, IL 60523-1546 · (847) 698-0600 · Fax (847) 698-0601
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1989
Enumeration DateOctober 31, 2005
Last NPPES UpdateDecember 27, 20212 updates tracked since enumeration
NPPES CertifiedDecember 27, 2021
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.
900 W NELSON ST, Chicago, IL 60657

Secondary Practice Locations 2

Location 127750 W Highway 22, Suite G-50Barrington, IL 60010-2379 · Phone (847) 842-0300 · Fax (847) 842-0370
Location 2801 S Milwaukee AveLibertyville, IL 60048-3204 · Phone (847) 990-5910

Other Identifiers 5

Other920005580IL · Railroad Medicare
Other778401IL · Medicare Provider Number
Medicaid036099331IL
Other558620IL · Medicare Provider Number
Other920005272IL · Railroad Medicare

Accepted 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

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 60657 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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
Quality82.59
Promoting Interoperability100
Improvement Activities40

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.

Radiology (Radiation Oncology)
900 W NELSON ST
CHICAGO, IL 60657
Colon & Rectal Surgery
900 W NELSON ST
CHICAGO, IL 60657
Pharmacist
900 W NELSON ST
CHICAGO, IL 60657
Internal Medicine (Gastroenterology)
900 W NELSON ST
CHICAGO, IL 60657
Registered Nurse
900 W NELSON ST
CHICAGO, IL 60657
Internal Medicine (Hematology & Oncology)
900 W NELSON ST
CHICAGO, IL 60657
Obstetrics & Gynecology (Gynecologic Oncology)
900 W NELSON ST
CHICAGO, IL 60657
Obstetrics & Gynecology (Gynecologic Oncology)
900 W NELSON ST
CHICAGO, IL 60657

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 900 W Nelson St, Chicago, IL 60657. The listed phone number is (773) 296-7076.

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 December 27, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.