Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Steven M Zahn, MD

Individual provider Emergency Medicine Physician · NPI 1689820409

Steven M Zahn, MD practises Emergency Medicine in Chicago, Illinois. Graduated from Creighton University School of Medicine in 2006, 20 years ago. Practices with Cepamerica Illinois LLP, a 493-clinician group and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
20
Trained at
Creighton University School of Medicine
Licensed in
IL, IN
In the registry since
2008
Specialties on file
3
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

259 E Erie St Ste 100
Chicago, IL 60611-2930
Phone: (312) 926-9512
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036.122218 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence AN5240394-1815 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 01087343A (IN)

Record details

NPI number1689820409
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2008
Last updated in NPPESApril 12, 2022
Certification dateApril 12, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Cepamerica Illinois Llp — 493 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 patients297
Services billed 426 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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 Cepamerica Illinois LLP

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 493 clinicians in the practice; 12 are shown here.

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