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

Dr. Marc Stuart Arnkoff, MD

Individual provider Urology Physician · NPI 1144200270

Dr. Marc Stuart Arnkoff, MD practises Urology in Southfield, Michigan. Graduated from Chicago College of Medicine and Surgery in 1971, 55 years ago. Practices with Bullhead City Clinic Corp, a 23-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana and Michigan.

Years since qualifying
55
Trained at
Chicago College of Medicine and Surgery
Licensed in
IN, MI
In the registry since
2006
Specialties on file
2
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

26400 W 12 Mile Rd Ste 70
Southfield, MI 48034-1700
Phone: (248) 569-3009
Fax: (248) 569-0670
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 919 Main St Ste 101, Dyer, IN 46311-3717 — (219) 836-7531

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 4301030781 (MI)
Urology Physician Taxonomy 208800000X · Licence 01094465A (IN)

Record details

NPI number1144200270
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 17, 2006
Last updated in NPPESOctober 21, 2025
Certification dateOctober 21, 2025

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolCHICAGO COLLEGE OF MEDICINE AND SURGERY
Graduated 1971 (55 years in practice)
Group practice Bullhead City Clinic Corp — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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 patients131
Services billed 584 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

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.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $72 3 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Garden City Hospital Hospital · Garden City, MI
  • Baptist Health Corbin Hospital · Corbin, KY
  • Western Arizona Regional Medical Center Hospital · Bullhead City, AZ

Colleagues at Bullhead City Clinic Corp

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 23 clinicians in the practice; 12 are shown here.

Other providers in Southfield