DR. ERIC CHRISTOFF M.D.
NPI 1245287317
Internal Medicine in Chicago, IL

Active since May 27, 2006PECOS EnrolledAccepts Medicare Assignment
6500 N CLARK ST, CHICAGO, IL 60626(773) 388-1600 Get Directions Write a Review

NPPES record last updated: December 19, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 19, 2021, Mar 6, 2021 (2 updates tracked since 2021).

About Dr. Eric Christoff M.d. NPPES

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

DR. ERIC CHRISTOFF M.D. (NPI 1245287317) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036-094098) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and is a graduate of Toledo Medical College (1994).

NPPES Registry Identity

NPI1245287317
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ERIC CHRISTOFFCredential: M.D.
Location Address6500 N CLARK STChicago, IL 60626-4097
Mailing Address6500 N Clark StChicago, IL 60626-4097 · (773) 388-1600 · Fax (773) 564-4156
Sole ProprietorNo
Medical School CMSToledo Medical CollegeGraduated 1994
Enumeration DateMay 27, 2006
Last NPPES UpdateDecember 19, 20212 updates tracked since enumeration
NPPES CertifiedDecember 19, 2021
NPI 1245287317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036-094098
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

6500 N CLARK ST, Chicago, IL 60626

Other Identifiers 3

Other036094098IL · State Of Illinois Medical License
Medicaid036-094098IL
Other336055257IL · State Of Illinois Controlled Substance License

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. Eric Christoff 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 ID3476677063
PECOS Enrollment IDI20100903000196
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.

Hospital Affiliations CMS Care Compare 2

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

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60626 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

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

Counselor (Professional)
6500 N CLARK ST
CHICAGO, IL 60626
Psychiatry & Neurology (Psychiatry)
6500 N CLARK ST
CHICAGO, IL 60626
Family Medicine
6500 N CLARK ST
CHICAGO, IL 60626
Internal Medicine
6500 N CLARK ST
CHICAGO, IL 60626
Pharmacist
6500 N CLARK ST
CHICAGO, IL 60626
Pharmacy
6500 N CLARK ST, STE 101
CHICAGO, IL 60626
Family Medicine
6500 N CLARK ST
CHICAGO, IL 60626
Family Medicine
6500 N CLARK ST
CHICAGO, IL 60626

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 Eric Christoff's NPI number?

The NPI number for Eric Christoff is 1245287317. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Eric Christoff located?

Eric Christoff practices at 6500 N Clark St, Chicago, IL 60626. The listed phone number is (773) 388-1600.

What is Eric Christoff's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Eric Christoff enrolled in Medicare?

Yes. Eric Christoff 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 Eric Christoff accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Eric Christoff 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 Eric Christoff affiliated with any hospitals?

According to CMS data, Eric Christoff is affiliated with Advocate Illinois Masonic Medical Center and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Eric Christoff was last updated on December 19, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.