DR. MARC STUART ARNKOFF M.D.
NPI 1144200270
Urology in Southfield, MI
About Dr. Marc Stuart Arnkoff M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC STUART ARNKOFF M.D. (NPI 1144200270) is an individual urology provider in Southfield, Michigan, licensed in Michigan (4301030781) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Corbin, and maintains a secondary practice location in Dyer.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Marc Stuart Arnkoff M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Marc Arnkoff reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington Hills, MI 48334
- Reassigned Medicare billing, Michigan enrollment
- 741 clinicians in this Medicare group
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- 474 clinicians in this Medicare group
Mishawaka, IN 46544
- Reassigned Medicare billing, Indiana enrollment
- 205 clinicians in this Medicare group
Mishawaka, IN 46544
- Reassigned Medicare billing, Indiana enrollment
- 1,396 clinicians in this Medicare group
Bullhead City, AZ 86442
- Reassigned Medicare billing, Arizona enrollment
- 52 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Health Corbin
Acute Care Hospitals · Corbin, KYGarden City Hospital
Acute Care Hospitals · Garden City, MISunrise Hospital And Medical Center
Acute Care Hospitals · Las Vegas, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48034 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
SOUTHFIELD, MI 48034
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marc Arnkoff's NPI number?
The NPI number for Marc Arnkoff is 1144200270. It was assigned to this individual provider in the NPPES registry on January 17, 2006.
Where is Marc Arnkoff located?
Marc Arnkoff practices at 26400 W 12 Mile Rd Suite 70, Southfield, MI 48034. The listed phone number is (248) 569-3009.
What is Marc Arnkoff's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Marc Arnkoff enrolled in Medicare?
Yes. Marc Arnkoff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marc Arnkoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Arnkoff reassigns Medicare benefits to 5 organizations: Michigan Healthcare Professionals PC (Farmington Hills, MI), W.A. Foote Memorial Hospital (Jackson, MI), Saint Joseph Regional Medical Center, Inc. (Mishawaka, IN), Franciscan Physician Network (Mishawaka, IN) and Bullhead City Clinic Corp (Bullhead City, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marc Arnkoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Arnkoff accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Care Network of Michigan, Blue Cross Blue Shield of Arizona and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Marc Arnkoff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marc Arnkoff affiliated with any hospitals?
According to CMS data, Marc Arnkoff is affiliated with Baptist Health Corbin, Garden City Hospital and Sunrise Hospital And Medical Center.
When was this NPI record last updated?
The NPPES record for Marc Arnkoff was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.