MERCY SPECIALTY SERVICES
NPI 1629010384
Internal Medicine in Muskegon, MI
About Mercy Specialty Services NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCY SPECIALTY SERVICES (NPI 1629010384), doing business as Trinity Health Medical Group, is a healthcare organization registered as an internal medicine in Muskegon, Michigan and active in the NPI registry since June 2006. The organization maintains 3 additional practice locations and lists Michael Gusho, Chief Financial Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 6
Other Names 2
Secondary Practice Locations 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mercy Specialty Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date 2
Next revalidation due by February 28, 2027
This provider holds 2 Medicare enrollments with upcoming revalidation dates. Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
72Medicare enrollment records show 72 clinicians reassign Medicare billing to Mercy Specialty Services, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 45 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 11
Nearest to this location (20)
See all 72Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mercy Specialty Services's NPI number?
The NPI number for Mercy Specialty Services is 1629010384. It was assigned to this organization in the NPPES registry on June 10, 2006. The provider is doing business as Trinity Health Medical Group. The provider was formerly known as Mercy General Specialty Services.
Where is Mercy Specialty Services located?
Mercy Specialty Services is located at 1150 E Sherman Blvd Ste 2400, Muskegon, MI 49444. The listed phone number is (231) 672-6336.
What is Mercy Specialty Services's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mercy Specialty Services enrolled in Medicare?
Yes. Mercy Specialty Services is registered in the Medicare PECOS enrollment system.
When is Mercy Specialty Services's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), Mercy Specialty Services holds 2 Medicare enrollments with upcoming revalidation dates. The next is due by February 28, 2027 (Non-DME Part B, Michigan, Clinic/Group Practice). Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Mercy Specialty Services?
According to the CMS Revalidation Reassignment List (October 2026 release), 72 clinicians in 11 Medicare specialties reassign their Medicare billing to Mercy Specialty Services. A 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 the clinician's services. The largest specialties are Internal Medicine (32), Hospitalist (21) and Osteopathic Manipulative Medicine (6). Of these, 5 practice at this address and 45 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mercy Specialty Services accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Mercy Specialty Services 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.
When was this NPI record last updated?
The NPPES record for Mercy Specialty Services was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mercy Specialty Services · NPI 1629010384
Internal Medicine organization in Muskegon, Michigan. Organization record, active in the CMS NPPES registry since June 10, 2006.
## Identity
- **NPI:** 1629010384 (Entity type: Organization)
- **Enumerated:** June 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Also known as:** Trinity Health Medical Group (Doing Business As); Mercy General Specialty Services (Former Legal Business Name)
- **Organization subpart:** Yes (part of Mercy Health Partners)
- **Authorized official:** Michael Gusho, CHIEF FINANCIAL OFFICER
## Practice location
- **Address:** 1150 E SHERMAN BLVD STE 2400, Muskegon, MI 49444
- **Phone:** (231) 672-6336 · **Fax:** (231) 672-6335
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Michigan, Clinic/Group Practice), next of 2 enrollments with upcoming dates · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 72 clinicians in 11 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (32), Hospitalist (21), Osteopathic Manipulative Medicine (6); 5 practice at this address and 45 within 10 miles; [full list](https://npiprofile.com/npi/1629010384/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 5, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1629010384) · Data from the CMS NPPES public registry.