Dr. Steven M. Zahn, MD
- Medicare services, 2024
- 392
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 206
- MIPS score, 2024
- 93
- Hospital affiliations
- 5
- Practice address
- 1325 N Highland Ave, Aurora, IL 60506
- Practice phone
- Call (630) 859-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Presence Mercy Medical Center- Aurora
Aurora, Illinois
Find Dr. Zahn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Steven M. Zahn is an emergency medicine physician in Aurora, Illinois
Dr. Zahn practices at Presence Mercy Medical Center- Aurora in Aurora, Illinois.
Dr. Zahn's NPI, 1689820409, was assigned on August 12, 2008. Dr. Zahn graduated from Creighton University School of Medicine in 2006. Dr. Zahn holds Illinois license 036.122218.
- NPI
- 1689820409NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456483122
- NPI enumeration date
- August 12, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 859-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven M. Zahn practices at Presence Mercy Medical Center- Aurora in Aurora, Illinois
Dr. Zahn's primary practice is Presence Mercy Medical Center- Aurora, at 1325 N Highland Ave, Aurora, IL 60506 in Kane County. The practice phone is (630) 859-2222.
- Presence Mercy Medical Center- Aurora1325 N Highland Ave, Aurora, IL 60506 · Kane CountyPhone(630) 859-2222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steven M. Zahn is affiliated with 8 sites of care and 3 medical groups
Dr. Zahn's primary practice is Presence Mercy Medical Center- Aurora in Aurora, Illinois. Dr. Zahn is also affiliated with Mercy Medical Center. The medical group on file is CEP America. Dmand AI also links Dr. Zahn to 4 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven M. Zahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zahn practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Presence Mercy Medical Center- Aurora | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven M. Zahn is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Zahn's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Zahn's licenses on file in 2 states: Illinois and Indiana.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
- Indiana license
Emergency medicine physicians near Dr. Zahn
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven M. Zahn billed Medicare for 392 services in 2024
CMS data shows 392 Medicare services from Dr. Zahn across 4 procedure codes in 2024, for 297 Medicare patients. Medicare paid $41,669 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3452024: 31210%
- Tests and treatments
- 2023: 992024: 8019%
Dr. Zahn compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Zahn
- Illinois median
- Medicare services
- 392vs 27443% above
- Medicare patients
- 297vs 2739% above
- Part D claims
- 100vs 452.2 times
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Zahn's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zahn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zahn and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven M. Zahn treated 297 Medicare patients in 2024, average age 75
CMS counts 297 Medicare patients who saw Dr. Zahn in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zahn's median patient age at 59, with 52% women.
Dr. Zahn's Medicare patients by age, 2024
Dr. Zahn's Medicare patients by sex, 2024
- Women18763%
- Men11037%
Chronic conditions among Dr. Zahn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders46%
- Anxiety45%
- Depression43%
- Diabetes42%
- Ischemic heart disease42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven M. Zahn wrote 206 Medicare Part D claims in 2024
In 2024, Dr. Zahn wrote 206 Medicare Part D claims for 164 patients. 97% of them were for generic drugs. CMS names the drug for 100 of them, across 5 drugs with 11 or more claims each, at $458 in total drug cost. In 2023, CMS named 60 claims across 3 drugs.
Dr. Zahn's Part D claims by kind of drug, 2024
- Generic200 claims97%
- Brand-name and other6 claims3%
Dr. Zahn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Zahn's Part D claims, 2024
- Opioids24%49 of 206 claims
- Antibiotics39%81 of 206 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 602024: 10067%
Drugs named by CMS: 5 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Steven M. Zahn scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Zahn for performance year 2024, reported as part of a group. Dr. Zahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zahn's MIPS scores, performance year 2024
- 93of 100Final score
- 86.8of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Steven M. Zahn received $747 in industry payments from 2016 to 2024
CMS Open Payments shows 23 general payments to Dr. Zahn from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $260.
General payments to Dr. Zahn by program year, 2016 to 2024
Companies that paid Dr. Zahn the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven M. Zahn graduated from Creighton University School of Medicine
Dr. Zahn graduated from Creighton University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven M. Zahn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Steven M. Zahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Steven M. Zahn's NPI number?
Dr. Steven M. Zahn's NPI number is 1689820409. It was assigned on August 12, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven M. Zahn?
Dr. Steven M. Zahn is an emergency medicine physician in Aurora, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Steven M. Zahn practice?
Dr. Zahn practices at 1325 N Highland Ave, Aurora, IL 60506. Dr. Zahn's primary practice is Presence Mercy Medical Center- Aurora in Aurora, Illinois. Dmand AI also links Dr. Zahn to 4 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Steven M. Zahn's office phone number?
The practice phone on file for Dr. Zahn is (630) 859-2222.
What is Dr. Steven M. Zahn's medical license number?
Dr. Zahn holds Illinois license 036.122218, one of the licenses on file in 2 states.
Which states has Dr. Steven M. Zahn been licensed in?
Dmand AI has state licenses on file for Dr. Zahn in Illinois and Indiana.
Which hospitals is Dr. Steven M. Zahn affiliated with?
Dr. Zahn is affiliated with Mercy Medical Center. Dmand AI links Dr. Zahn to 4 more hospitals.
What medical group is Dr. Steven M. Zahn part of?
Dr. Zahn is linked to CEP America. Dmand AI links Dr. Zahn to 2 more medical groups.
Does Dr. Steven M. Zahn accept Medicare?
Yes. CMS data shows Dr. Zahn billed Medicare for 392 services in 2024, and Dr. Zahn accepts Medicare assignment.
What is Dr. Steven M. Zahn's MIPS score?
Dr. Zahn's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Steven M. Zahn see?
CMS counts 297 Medicare patients who saw Dr. Zahn in 2024, with an average age of 75.
What services does Dr. Steven M. Zahn bill to Medicare?
In 2024, Dr. Zahn's most billed Medicare services were emergency department visit (99285), heart test or procedure (93042) and emergency department visit (99284).
Where did Dr. Steven M. Zahn go to medical school?
Dr. Zahn graduated from Creighton University School of Medicine in 2006.
What drugs does Dr. Steven M. Zahn prescribe most?
In 2024 Medicare Part D data, Dr. Zahn's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Sulfamethoxazole-Trimethoprim.
Has Dr. Steven M. Zahn received payments from drug or device companies?
CMS Open Payments shows $747 in general payments to Dr. Zahn from 9 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Steven M. Zahn been practicing?
Dr. Zahn graduated from medical school in 2006, 20 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card