Dr. Steven Anthony Koos, DDS, MD
- Part D claims, 2024
- 113
- Industry payments
- $119
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 5841 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The University of Chicago Medical Center
Chicago, Illinois
Find Dr. Koos' 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 Anthony Koos is an anesthesiologist in Chicago, Illinois
Dr. Koos practices at The University of Chicago Medical Center in Chicago, Illinois.
Dr. Koos' NPI, 1265520340, was assigned on October 11, 2006.
- NPI
- 1265520340NPI Registry (opens in a new tab)
- NPI enumeration date
- October 11, 2006
- NPI status
- Active
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Steven Anthony Koos practices at The University of Chicago Medical Center in Chicago, Illinois
Dr. Koos' primary practice is The University of Chicago Medical Center, at 5841 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- The University of Chicago Medical Center5841 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steven Anthony Koos is affiliated with 1 site of care
Dr. Koos' primary practice is The University of Chicago Medical Center in Chicago, Illinois.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Steven Anthony Koos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Chicago Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Anthony Koos is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Dr. Koos' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Koos has a license on file in Illinois.
Specialties and state licenses
- Anesthesiology, Illinois
Anesthesiologists near Dr. Koos
Counts of anesthesiologists 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 Anthony Koos' patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Koos' median patient age at 43, with 50% women.
Dr. Koos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Steven Anthony Koos wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Koos wrote 113 Medicare Part D claims for 63 patients. 100% of them were for generic drugs. CMS names the drug for 98 of them, across 3 drugs with 11 or more claims each, at $378 in total drug cost.
Dr. Koos' 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. Koos' Part D claims, 2024
- Opioids36%41 of 113 claims
- Antibiotics56%63 of 113 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Dr. Steven Anthony Koos received $119 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Koos from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Zimvie Inc. paid the most, $119.
General payments to Dr. Koos by program year, 2024 to 2025
Companies that paid Dr. Koos the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Steven Anthony Koos'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Anthony Koos
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 Anthony Koos' NPI number?
Dr. Steven Anthony Koos' NPI number is 1265520340. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Anthony Koos?
Dr. Steven Anthony Koos is an anesthesiologist in Chicago, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Steven Anthony Koos practice?
Dr. Koos practices at 5841 S Maryland Ave, Chicago, IL 60637. Dr. Koos' primary practice is The University of Chicago Medical Center in Chicago, Illinois.
What is Dr. Steven Anthony Koos' office phone number?
The practice phone on file for Dr. Koos is (773) 702-1530.
What drugs does Dr. Steven Anthony Koos prescribe most?
In 2024 Medicare Part D data, Dr. Koos' most prescribed drugs by claims were Amoxicillin, Hydrocodone-Acetaminophen and Clindamycin HCl.
Has Dr. Steven Anthony Koos received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Dr. Koos from 1 company from 2024 to 2025. The largest total came from Zimvie Inc.
How long has Dr. Steven Anthony Koos been practicing?
Dr. Koos' NPI was assigned in 2006.
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