DR. MARK T TIERNEY MD
NPI 1659509701
Radiology - Diagnostic Radiology in Wyoming, MI
About Dr. Mark T Tierney Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK T TIERNEY MD (NPI 1659509701) is an individual diagnostic radiology provider in Wyoming, Michigan, licensed in Michigan (4301094795) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health - West, and is a graduate of Toledo Medical College (2009).
NPPES Registry Identity
Specialties & Licenses
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. Mark T Tierney Md 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 Reassignment
Medicare enrollment records show Mark Tierney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wyoming, MI 49519
- Reassigned Medicare billing, Michigan enrollment
- 685 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health - West
Acute Care Hospitals · Wyoming, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49519 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.
WYOMING, MI 49519
WYOMING, MI 49519
WYOMING, MI 49519
WYOMING, MI 49519
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 Mark Tierney's NPI number?
The NPI number for Mark Tierney is 1659509701. It was assigned to this individual provider in the NPPES registry on June 29, 2009.
Where is Mark Tierney located?
Mark Tierney practices at 5900 Byron Center Ave SW, Wyoming, MI 49519. The listed phone number is (616) 252-7200.
What is Mark Tierney's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mark Tierney enrolled in Medicare?
Yes. Mark Tierney 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 organization bills Medicare for Mark Tierney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tierney reassigns Medicare benefits to Metropolitan Hospital (Wyoming, MI). The 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 Mark Tierney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Tierney accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Mark Tierney 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 Mark Tierney affiliated with any hospitals?
According to CMS data, Mark Tierney is affiliated with University Of Michigan Health - West.
When was this NPI record last updated?
The NPPES record for Mark Tierney was last updated on June 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Dr. Mark T Tierney, MD · NPI 1659509701
Diagnostic Radiology physician in Wyoming, Michigan. Individual provider, active in the CMS NPPES registry since June 29, 2009.
## Identity
- **NPI:** 1659509701 (Entity type: Individual)
- **Enumerated:** June 29, 2009
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 4301094795 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 5900 BYRON CENTER AVE SW, Wyoming, MI 49519
- **Phone:** (616) 252-7200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Metropolitan Hospital (NPI 1255807178, Wyoming, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Toledo Medical College, class of 2009
## Record status
- **NPPES last updated:** June 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1659509701) · Data from the CMS NPPES public registry.