Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Theodore Francis Zbiegien Jr., MD

Individual provider Family Medicine Physician · NPI 1245227693

Dr. Theodore Francis Zbiegien Jr., MD is registered under Family Practice in Chicago, Illinois. Qualified in 1987, 39 years ago. Practices with Tobia Barbato MD and Theodore Zbiegien MD SC, a 2-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
39
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7447 W Talcott Ave 204
Chicago, IL 60631-3745 Not confirmed with CMS for 16 years — call before visiting
Phone: (773) 467-8950
Fax: (773) 467-8949
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036087594 (IL)

Record details

NPI number1245227693
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 30, 2005
Last updated in NPPESMarch 11, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Tobia Barbato Md And Theodore Zbiegien Md Sc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients137
Services billed 1,813 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Tobia Barbato MD and Theodore Zbiegien MD SC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Chicago