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

Mark J. Dykstra, MD

Individual provider Urology Physician · NPI 1083646772

Mark J. Dykstra, MD practises Urology in Menomonee Falls, Wisconsin. Graduated from Medical College of Wisconsin in 1982, 44 years ago. Practices with Ascension Medical Group-Fox Valley Wisconsin, Inc, a 260-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
44
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

N84W16889 Menomonee Ave
Menomonee Falls, WI 53051-2810
Phone: (262) 251-7500
Fax: (262) 251-7128
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 43757 (WI)

Record details

NPI number1083646772
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2006
Last updated in NPPESDecember 2, 2021
Certification dateDecember 2, 2021

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1982 (44 years in practice)
Group practice Ascension Medical Group-Fox Valley Wisconsin, Inc — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients110
Services billed 238 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

  • Ascension Ne Wisconsin - St Elizabeth Campus Hospital · Appleton, WI

Colleagues at Ascension Medical Group-Fox Valley Wisconsin, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 260 clinicians in the practice; 12 are shown here.

Other providers in Menomonee Falls