Theodore Francis Zbiegien, MD
Family Medicine Physician · Chicago, IL
Theodore Francis Zbiegien, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1245227693, issued on Sep 30, 2005. Check the license (Illinois 036087594, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Theodore Francis Zbiegien
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036087594 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7447 W Talcott Ave, Chicago, IL 60631
- Phone
- (773) 467-8950
- Enumerated
- Sep 30, 2005
- Record last updated
- Mar 11, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (773) 467-8949
- Medicare enrollment
- Enrolled (PECOS I20060117001018); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 7447 W Talcott Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Theodore Francis Zbiegien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036087594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average family medicine physician in 2024
2,852 Medicare Part D claims for 181 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 86 claims were for opioids.
Most prescribed
- Levothyroxine Sodium136 claims
- Rosuvastatin Calcium111 claims
- Alprazolam110 claims
- Losartan Potassium100 claims
- Atorvastatin Calcium84 claims
- Furosemide78 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Tobia Barbato MD And Theodore Zbiegien MD SCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodore Francis Zbiegien among 6,215 family medicine physician records in Illinois
Theodore Francis Zbiegien, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1987 · median 2006 among the 3,714 with a school on file
- Record last updated2010 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
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Common questions
What is Theodore Francis Zbiegien, MD's NPI number?
Theodore Francis Zbiegien, MD's National Provider Identifier (NPI) is 1245227693, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Theodore Francis Zbiegien, MD located?
The NPPES record lists a practice address at 7447 W Talcott Ave, Chicago, IL, 60631. Phone: (773) 467-8950. Providers update this record themselves, so call before visiting.
How can I verify Theodore Francis Zbiegien, MD's license?
NPPES lists Illinois license number 036087594, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theodore Francis Zbiegien, MD prescribe under Medicare Part D?
In 2024, Theodore Francis Zbiegien, MD had 2,852 Medicare Part D claims for 181 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.