STEFAN TOMOV TCHERNODRINSKI M.D.
NPI 1992902845
Internal Medicine in Chicago, IL

Active since July 02, 2007PECOS EnrolledAccepts Medicare Assignment
87.08/100
CMS Quality Rating
840 S WOOD ST, ACADEMIC INTERNAL MEDICINE AND GERIATRICS, CHICAGO, IL 60612(312) 355-3433(312) 413-8283 Get Directions Write a Review

NPPES record last updated: April 1, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Stefan Tomov Tchernodrinski M.d. NPPES

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

STEFAN TOMOV TCHERNODRINSKI M.D. (NPI 1992902845) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036118008) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1992902845
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEFAN TOMOV TCHERNODRINSKICredential: M.D.
Location Address840 S WOOD ST, ACADEMIC INTERNAL MEDICINE AND GERIATRICSChicago, IL 60612-4325
Mailing Address840 S Wood St, Academic Internal Medicine And GeriatricsChicago, IL 60612-4325 · (312) 355-3433 · Fax (312) 413-8283
Fax(312) 413-8283
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJuly 2, 2007
Last NPPES UpdateApril 1, 2016
✔ NPI 1992902845 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 · 036118008
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.
840 S WOOD ST, Chicago, IL 60612

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stefan Tomov Tchernodrinski 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 ID6608963004
PECOS Enrollment IDI20071101000376
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Stefan Tchernodrinski reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
840 S WOOD ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
Critical Access
901 GRANT ST
Harvard, IL 60033
  • Reassigned Medicare billing, Illinois enrollment
  • 382 clinicians in this Medicare group
Multi-Specialty
8201 E RIVERSIDE BLVD
Rockford, IL 61114
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
Multi-Specialty
580 N WASHINGTON ST
Janesville, WI 53548
  • Reassigned Medicare billing, Illinois enrollment
  • 671 clinicians in this Medicare group
Family Medicine
1036 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 391 clinicians in this Medicare group
General Acute Care Hospital
1045 W STEPHENSON ST
Freeport, IL 61032
  • Reassigned Medicare billing, Illinois enrollment
  • 478 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
64 services21 patients

Hospital Affiliations CMS Care Compare 2

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

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

Javon Bea Hospital

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140239
Location8201 E Riverside BlvdRockford, IL 61114 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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.

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.

87.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.79
Promoting Interoperability100
Improvement Activities40
Cost52.82

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.

Pharmacist (Ambulatory Care)
840 S WOOD ST
CHICAGO, IL 60612
Surgery
840 S WOOD ST, SUITE 417 CSB
CHICAGO, IL 60612
Pharmacist (Pharmacotherapy)
840 S WOOD ST, SUITE 163, CSB
CHICAGO, IL 60612
Pharmacist (Pharmacotherapy)
840 S WOOD ST, SUITE 163 CLINICAL SCIENCES BUILDING
CHICAGO, IL 60612
Internal Medicine (Hematology & Oncology)
840 S WOOD ST, MC-713
CHICAGO, IL 60612
Internal Medicine (Gastroenterology)
840 S WOOD ST
CHICAGO, IL 60612
Student in an Organized Health Care Education/Training Program
840 S WOOD ST, MC 856
CHICAGO, IL 60612
Pathology (Anatomic Pathology)
840 S WOOD ST
CHICAGO, IL 60612

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 Stefan Tchernodrinski's NPI number?

The NPI number for Stefan Tchernodrinski is 1992902845. It was assigned to this individual provider in the NPPES registry on July 2, 2007.

Where is Stefan Tchernodrinski located?

Stefan Tchernodrinski practices at 840 S Wood St Academic Internal Medicine And Geriatrics, Chicago, IL 60612. The listed phone number is (312) 355-3433.

What is Stefan Tchernodrinski's specialty?

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

Is Stefan Tchernodrinski enrolled in Medicare?

Yes. Stefan Tchernodrinski 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.

Which organizations bill Medicare for Stefan Tchernodrinski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Tchernodrinski reassigns Medicare benefits to 6 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL), Mercy Harvard Hospital Inc (Harvard, IL), Rockford Health Physicians (Rockford, IL), Mercy Health System Corporation (Janesville, WI), Freeport Regional Health Care Foundation (Freeport, IL) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stefan Tchernodrinski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stefan Tchernodrinski accept?

Health plans from Anthem Blue Cross and Blue Shield list Stefan Tchernodrinski 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 Stefan Tchernodrinski affiliated with any hospitals?

According to CMS data, Stefan Tchernodrinski is affiliated with University Of Illinois Hospital And Clinics and Javon Bea Hospital.

When was this NPI record last updated?

The NPPES record for Stefan Tchernodrinski was last updated on April 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.