Dr. Steven Bieser, MD
- Part D claims, 2024
- 95
- Hospital affiliations
- 1
- Industry payments
- $416
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bieser'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 Bieser is an internist in Winfield, Illinois
Dr. Bieser practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Bieser's NPI, 1477257582, was assigned on March 30, 2023. Dr. Bieser holds Illinois license 125.081742.
- NPI
- 1477257582NPI Registry (opens in a new tab)
- NPI enumeration date
- March 30, 2023
- NPI status
- Active
- Practice phone
- (630) 682-1600
- 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 Affiliation Data
Dr. Steven Bieser practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Bieser's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Dr. Steven Bieser is affiliated with 3 sites of care
Dr. Bieser's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Bieser to 1 breast imaging center and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven Bieser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bieser practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Bieser is one of 5,652 internists in Illinois
Internal medicine is Dr. Bieser's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bieser is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Bieser
Counts of internists 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 Bieser's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Bieser's median patient age at 80, with 40% women.
Dr. Bieser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Steven Bieser wrote 95 Medicare Part D claims in 2024
In 2024, Dr. Bieser wrote 95 Medicare Part D claims for 19 patients. 75% of them were for generic drugs.
Dr. Bieser's Part D claims by kind of drug, 2024
- Generic71 claims75%
- Brand-name24 claims25%
Drug classes CMS tracks in Dr. Bieser's Part D claims, 2024
- Antibiotics18%17 of 95 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Steven Bieser received $416 in industry payments from 2023 to 2025
CMS Open Payments shows 4 general payments to Dr. Bieser from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $249.
General payments to Dr. Bieser by program year, 2023 to 2025
Companies that paid Dr. Bieser the most, 2023 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 Bieser'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 Bieser
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 Bieser's NPI number?
Dr. Steven Bieser's NPI number is 1477257582. It was assigned on March 30, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Bieser?
Dr. Steven Bieser is an internist in Winfield, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Steven Bieser practice?
Dr. Bieser practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Bieser's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Bieser to 1 breast imaging center and 1 clinical lab.
What is Dr. Steven Bieser's office phone number?
The practice phone on file for Dr. Bieser is (630) 682-1600.
What is Dr. Steven Bieser's medical license number?
Dr. Bieser holds Illinois license 125.081742.
Which hospitals is Dr. Steven Bieser affiliated with?
Dr. Bieser practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
Has Dr. Steven Bieser received payments from drug or device companies?
CMS Open Payments shows $416 in general payments to Dr. Bieser from 3 companies from 2023 to 2025. The largest total came from Amgen Inc.
How long has Dr. Steven Bieser been practicing?
Dr. Bieser's NPI was assigned in 2023.
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