Mark J. Dykstra, M.D.
Urology Physician · Menomonee Falls, WI
Mark J. Dykstra, M.D. is a urology physician with a practice address in Menomonee Falls, Wisconsin, and NPI 1083646772, issued on Jul 6, 2006. Check the license (Wisconsin 43757, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark J. Dykstra
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 43757 WI
Self-reported in NPPES; status is on the state search - Practice location
- N84W16889 Menomonee Ave, Menomonee Falls, WI 53051
- Phone
- (262) 251-7500
- Enumerated
- Jul 6, 2006
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (262) 251-7128
- Medicaid ID
- 34132500 WI
- Medicare enrollment
- Enrolled (PECOS I20080124000492); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1982
- Entity
- Type 1 · individual
8 nearest urology physician records → All 259 in Wisconsin → Look up another NPI →
Also registered at N84W16889 Menomonee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hardeep Ahuja, MDFamily Medicine Physician1780863787
- Betsy Appel, MDSurgery Physician1780973420
- Denise Balistrieri, O.T.R.Occupational Therapist1750326997
- Jenna Biesterfeld, DPTPhysical Therapist1528957065
- Mary Birschbach, OTROccupational Therapist1477710929
- Heather Bougie, P.T.Physical Therapist1972531663
Verify Mark J. Dykstra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average urology physician in 2024
267 Medicare Part D claims for 109 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Tamsulosin Hcl84 claims
- Finasteride83 claims
- Trospium Chloride18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Ascension Medical Group-Fox Valley Wisconsin IncAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Dykstra among 259 urology physician records in Wisconsin
Mark J. Dykstra, M.D. is one of 259 urology physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 43% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1982 · median 2002 among the 166 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Wisconsin
There are 259 urology physician records in Wisconsin.
All 259 in Wisconsin → Every provider in Menomonee Falls → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Michelle Andrew, MDMenomonee Falls, WI 530511992793327
- Jeffrey Bejma, MDMenomonee Falls, WI 530511770707358
- Kevin Zeeck, M.D.Menomonee Falls, WI 530511598108458
- Alexander Haberman, DOSummit, WI 530661437773645
- Franklin Smith, MDOconomowoc, WI 530661205943412
- Aaron Sulman, MDSummit, WI 530661639126170
- Michael Krco, M.D.Grafton, WI 530241770501876
- Sameer Sharma, MDGrafton, WI 530241245204197
Common questions
What is Mark J. Dykstra, M.D.'s NPI number?
Mark J. Dykstra, M.D.'s National Provider Identifier (NPI) is 1083646772, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Dykstra, M.D. located?
The NPPES record lists a practice address at N84W16889 Menomonee Ave, Menomonee Falls, WI, 53051. Phone: (262) 251-7500. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Dykstra, M.D.'s license?
NPPES lists Wisconsin license number 43757, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark J. Dykstra, M.D. prescribe under Medicare Part D?
In 2024, Mark J. Dykstra, M.D. had 267 Medicare Part D claims for 109 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.