Dr. Marcus Stammen, DO
- Part D claims, 2024
- 158
- Hospital affiliations
- 2
- Industry payments
- $50
- Medical group
- 1
- State license
- 1
- 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. Stammen'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. Marcus Stammen is a dermatologist in Winfield, Illinois
Dr. Stammen practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Stammen's NPI, 1861070203, was assigned on March 29, 2021. Dr. Stammen graduated from Midwestern University, Chicago College of Osteopathic Med in 2021. Dr. Stammen holds Illinois license 036176359.
- NPI
- 1861070203NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971908344
- NPI enumeration date
- March 29, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marcus Stammen practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Stammen'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. Marcus Stammen is affiliated with 5 sites of care and 1 medical group
Dr. Stammen's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Stammen is also affiliated with Northwestern Medicine Kishwaukee Hospital. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Dr. Stammen to 1 more breast imaging center, 1 clinical lab and 1 group practice or clinic, 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. Marcus Stammen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stammen practices, 5 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 |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Marcus Stammen is one of 564 dermatologists in Illinois
Dermatology is Dr. Stammen's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Stammen is licensed in Illinois.
Specialties and state licenses
- Dermatology, IllinoisPrimary
Dermatologists near Dr. Stammen
Counts of dermatologists 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. Marcus Stammen's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Stammen's median patient age at 62, with 54% women.
Dr. Stammen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Marcus Stammen wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Stammen wrote 158 Medicare Part D claims for 65 patients. 87% of them were for generic drugs. CMS names the drug for 60 of them, across 3 drugs with 11 or more claims each, at $943 in total drug cost.
Dr. Stammen's Part D claims by kind of drug, 2024
- Generic137 claims87%
- Brand-name21 claims13%
Dr. Stammen'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.
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. Marcus Stammen ranks in the 86th percentile for skin biopsy in Medicare
Dr. Stammen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 211 procedures of skin biopsy by Dr. Stammen, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Stammen ranks in Medicare procedure volume
- Removal of skin lesions
- 85th percentile438 procedures
- Skin biopsy
- 86th percentile211 procedures
- Removal or shaving of skin growth
- 78th percentile42 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marcus Stammen received $50 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Stammen from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $33.
General payments to Dr. Stammen by program year, 2024 to 2025
Companies that paid Dr. Stammen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marcus Stammen graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Stammen graduated from Midwestern University, Chicago College of Osteopathic Med in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marcus Stammen'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 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)Doctors and Clinicians Utilization Data (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. Marcus Stammen
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. Marcus Stammen's NPI number?
Dr. Marcus Stammen's NPI number is 1861070203. It was assigned on March 29, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Marcus Stammen?
Dr. Marcus Stammen is a dermatologist in Winfield, Illinois. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Marcus Stammen practice?
Dr. Stammen practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Stammen's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Stammen to 1 breast imaging center, 1 clinical lab and 1 group practice or clinic.
What is Dr. Marcus Stammen's office phone number?
The practice phone on file for Dr. Stammen is (630) 682-1600.
What is Dr. Marcus Stammen's medical license number?
Dr. Stammen holds Illinois license 036176359.
Which hospitals is Dr. Marcus Stammen affiliated with?
Dr. Stammen practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Stammen is also affiliated with Northwestern Medicine Kishwaukee Hospital.
What medical group is Dr. Marcus Stammen part of?
Dr. Stammen is linked to Northwestern Medicine Regional Medical Group.
Does Dr. Marcus Stammen accept Medicare?
Yes. CMS lists Dr. Stammen as accepting Medicare assignment.
Where did Dr. Marcus Stammen go to medical school?
Dr. Stammen graduated from Midwestern University, Chicago College of Osteopathic Med in 2021.
What drugs does Dr. Marcus Stammen prescribe most?
In 2024 Medicare Part D data, Dr. Stammen's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Clobetasol Propionate.
Has Dr. Marcus Stammen received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Stammen from 2 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Marcus Stammen been practicing?
Dr. Stammen graduated from medical school in 2021, 5 years ago.
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