Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Stephen Matthew Asma, MD

Individual provider Family Medicine Physician · NPI 1639103187

Stephen Matthew Asma, MD is registered under Family Practice in De Pere, Wisconsin. Graduated from Medical College of Wisconsin in 1984, 42 years ago. Practices with St Vincent Hospital-Hospital Sisters-Third Order of St Francis, a 594-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
42
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3860 Monroe Rd
De Pere, WI 54115 Not confirmed with CMS for 10 years — call before visiting
Phone: (920) 496-4700
Fax: (920) 431-1967
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 26910 (WI)

Record details

NPI number1639103187
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESSeptember 15, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1984 (42 years in practice)
Group practice St Vincent Hospital-Hospital Sisters-Third Order Of St Francis — 594 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 1–10 times
Skin biopsy 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients129
Services billed 505 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • St Marys Hospital Medical Ctr Hospital · Green Bay, WI
  • St Vincent Hospital Hospital · Green Bay, WI
  • Unity Hospice Hospice · De Pere, WI

Colleagues at St Vincent Hospital-Hospital Sisters-Third Order of St Francis

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 594 clinicians in the practice; 12 are shown here.

Other providers in De Pere