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STEVEN M ZAHN M.D.
NPI 1689820409
Emergency Medicine in Chicago, IL

Active since August 12, 2008PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
259 E ERIE ST STE 100, CHICAGO, IL 60611(312) 926-9512 Get Directions Write a Review

NPPES record last updated: April 12, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 12, 2022, Mar 22, 2018 (2 updates tracked since 2018).

About Steven M Zahn M.d. NPPES

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

STEVEN M ZAHN M.D. (NPI 1689820409) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036.122218) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Presence Mercy Medical Center, and is a graduate of Creighton University School Of Medicine (2006).

NPPES Registry Identity

NPI1689820409
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSTEVEN M ZAHNCredential: M.D.
Location Address259 E ERIE ST STE 100Chicago, IL 60611-2930
Mailing Address1322 S Prairie Ave Unit 1401Chicago, IL 60605-3080
Phone(312) 926-9512
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2006
Enumeration DateAugust 12, 2008
Last NPPES UpdateApril 12, 20222 updates tracked since enumeration
NPPES CertifiedApril 12, 2022
✔ NPI 1689820409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IL · 036.122218✔ Licensed in IL · AN5240394-1815✔ Licensed in IN · 01087343A
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
259 E ERIE ST STE 100, Chicago, IL 60611
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.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

Steven M Zahn 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 ID1456483122
PECOS Enrollment IDI20100715000238
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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
211 services198 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
80 services75 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
71 services70 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
30 services29 patients

Hospital Affiliations CMS Care Compare 5

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

Presence Mercy Medical Center

Acute Care Hospitals · Aurora, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140174
Location1325 N Highland AvenueAurora, IL 60506 · Kane County
Emergency services Birthing friendly

Presence Saint Joseph Hospital - Elgin

Acute Care Hospitals · Elgin, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140217
Location77 N Airlite StreetElgin, IL 60123 · Kane County
Emergency services

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140258
Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County
Emergency services Birthing friendly

Ascension St Vincent Hospital

Acute Care Hospitals · Indianapolis, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150084
Location2001 W 86th StIndianapolis, IN 46260 · Marion County
Emergency services Birthing friendly

Ascension St Vincent Jennings

Critical Access Hospitals · North Vernon, IN
OwnershipVoluntary non-profit - Church
CMS Certification Number151303
Location301 Henry StNorth Vernon, IN 47265 · Jennings County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost94.69

Other Providers at the Same Location NPPES 2

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

DR. ANDREW FOSTER M.D.
Emergency Medicine
259 E ERIE ST STE 100
CHICAGO, IL 60611
Cook County (312) 926-9512
DR. DANIEL L REAVEN MD
Emergency Medicine
259 E ERIE ST STE 100
CHICAGO, IL 60611
Cook County (312) 926-9512

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 Steven Zahn's NPI number?

The NPI number for Steven Zahn is 1689820409. It was assigned to this individual provider in the NPPES registry on August 12, 2008.

Where is Steven Zahn located?

Steven Zahn practices at 259 E Erie St Ste 100, Chicago, IL 60611. The listed phone number is (312) 926-9512.

What is Steven Zahn's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Steven Zahn enrolled in Medicare?

Yes. Steven Zahn 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 Steven Zahn accept?

Health plans from Molina Healthcare list Steven Zahn 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 Steven Zahn affiliated with any hospitals?

According to CMS data, Steven Zahn is affiliated with Presence Mercy Medical Center, Presence Saint Joseph Hospital - Elgin, Alexian Brothers Medical Center 1, Ascension St Vincent Hospital and Ascension St Vincent Jennings.

When was this NPI record last updated?

The NPPES record for Steven Zahn was last updated on April 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.