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MERCY HEALTH WESTSHORE CARDIOLOGY SERVICES
NPI 1336573393
Internal Medicine - Cardiovascular Disease in Muskegon, MI

Active since August 27, 2013
1223 MERCY DR, MUSKEGON, MI 49444(231) 672-3500(231) 672-6199 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 5, 2026, Oct 10, 2024, Oct 10, 2023 and 1 more (4 updates tracked since 2020).

About Mercy Health Westshore Cardiology Services NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERCY HEALTH WESTSHORE CARDIOLOGY SERVICES (NPI 1336573393), doing business as Trinity Health Medical Group, is a healthcare organization registered as a cardiovascular disease in Muskegon, Michigan and active in the NPI registry since August 2013. The organization maintains a secondary practice location in Muskegon and lists Michael Paul Gusho, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1336573393
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameMERCY HEALTH WESTSHORE CARDIOLOGY SERVICES
Location Address1223 MERCY DRMuskegon, MI 49444-1829
Mailing Address1212 E Sherman BlvdMuskegon, MI 49444-1879 · (231) 672-3500 · Fax (231) 672-6199
Phone(231) 672-3500
Fax(231) 672-6199
Organization SubpartYesParent: Mercy Health Partners
Authorized OfficialMichael Paul GushoChief Financial Officer · (734) 398-0642
Enumeration DateAugust 27, 2013
Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1336573393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X
Also ListedPhysician AssistantTaxonomy 363A00000X
1223 MERCY DR, Muskegon, MI 49444
Open in Google Maps ↗

Other Names 1

Doing Business AsTrinity Health Medical Group

Secondary Practice Location 1

Location 11212 E Sherman BlvdMuskegon, MI 49444-1879 · Phone (231) 672-3500 · Fax (231) 672-6199

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mercy Health Westshore Cardiology Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

29

Medicare enrollment records show 29 clinicians reassign Medicare billing to Mercy Health Westshore Cardiology Services, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 13 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Cardiovascular Disease (Cardiology)10
Nurse Practitioner8
Cardiac Electrophysiology5
Interventional Cardiology4
Internal Medicine1
Pediatric Medicine1

Nearest to this location (20)

See all 29
Steven Dewit, FNP
Nurse Practitioner
NPI 1063127108
1223 MERCY DR
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts MedicareSame address
Eric Shafer, D.O.
Cardiovascular Disease (Cardiology)
NPI 1083804280
1223 MERCY DR
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts MedicareSame address
Noah Thormeier, D.O.
Cardiac Electrophysiology
NPI 1790048528
1223 MERCY DR
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts MedicareSame address
Amber Vanderwagen, AGACNP-BC
Nurse Practitioner
NPI 1508321662
1223 MERCY DR
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts MedicareSame address
Kristen Vanhouten
Nurse Practitioner
NPI 1386024701
1223 MERCY DR
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts MedicareSame address
Varun Yelamanchili, MD
Interventional Cardiology
NPI 1396165080
1223 MERCY DR
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts MedicareSame address
Lindsey Mcneil, NP
Nurse Practitioner
NPI 1467977611
1212 E SHERMAN BLVD
Muskegon, MI 49444
(231) 739-9427
✔ PECOS✔ Accepts Medicare0.1 mi
Ionut Oravitan, MD
Cardiovascular Disease (Cardiology)
NPI 1407842362
1212 E SHERMAN BLVD
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts Medicare0.1 mi
Douglas Stewart, M.D.
Cardiovascular Disease (Cardiology)
NPI 1639332091
1212 E SHERMAN BLVD
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts Medicare0.1 mi
Thomas Hill, M.D.
Cardiovascular Disease (Cardiology)
NPI 1992799357
1212 E SHERMAN BLVD
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts Medicare0.1 mi
John Meek, D.O.
Cardiovascular Disease (Cardiology)
NPI 1679786230
1212 E SHERMAN BLVD
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts Medicare0.1 mi
Mark Meengs, M.D.
Cardiovascular Disease (Cardiology)
NPI 1245224674
1212 E SHERMAN BLVD
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts Medicare0.1 mi
John Skallerup, M.D.
Cardiovascular Disease (Cardiology)
NPI 1982698353
1212 E. SHERMAN BLVD
Muskegon, MI 49444
(231) 672-3500
✔ PECOS✔ Accepts Medicare0.1 mi
Mariel Maitland, MSN, APRN, ACNPC-AG
Nurse Practitioner
NPI 1891482881
5900 BYRON CENTER AVE SW
Wyoming, MI 49519
(616) 252-7922
✔ PECOS✔ Accepts Medicare35 mi
Michael Sumners, D.O.
Interventional Cardiology
NPI 1366753048
5900 BYRON CENTER AVE SW
Wyoming, MI 49519
(517) 862-9315
✔ PECOS✔ Accepts Medicare35 mi
Jennifer Gole, NP-C
Nurse Practitioner
NPI 1962910943
1000 E PARIS AVE SE STE 200
Grand Rapids, MI 49546
(616) 685-3450
✔ PECOS✔ Accepts Medicare37 mi
Peter Wenn, MD
Interventional Cardiology
NPI 1073019337
1000 E PARIS AVE SE STE 200
Grand Rapids, MI 49546
(616) 685-3450
✔ PECOS✔ Accepts Medicare37 mi
Keri Foster, NP
Nurse Practitioner
NPI 1225529019
2198 US 31 S
Manistee, MI 49660
(231) 723-3567
✔ PECOS✔ Accepts Medicare70 mi
Allison Brownlow, AGACNP-BC
Nurse Practitioner
NPI 1952073686
1521 GULL RD
Kalamazoo, MI 49048
(269) 226-7000
✔ PECOS✔ Accepts Medicare70 mi
Steven Mast, MD
Interventional Cardiology
NPI 1174522429
1200 SIXTH ST SUITE 200
Traverse City, MI 49684
(231) 935-5800
✔ PECOS✔ Accepts Medicare111 mi
See all 29 clinicians

Source: 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 Health Westshore Cardiology Services's NPI number?

The NPI number for Mercy Health Westshore Cardiology Services is 1336573393. It was assigned to this organization in the NPPES registry on August 27, 2013. The provider is doing business as Trinity Health Medical Group.

Where is Mercy Health Westshore Cardiology Services located?

Mercy Health Westshore Cardiology Services is located at 1223 Mercy Dr, Muskegon, MI 49444. The listed phone number is (231) 672-3500.

What is Mercy Health Westshore Cardiology Services's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mercy Health Westshore Cardiology Services enrolled in Medicare?

Yes. Mercy Health Westshore Cardiology Services is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mercy Health Westshore Cardiology Services?

According to the CMS Revalidation Reassignment List (October 2026 release), 29 clinicians in 6 Medicare specialties reassign their Medicare billing to Mercy Health Westshore Cardiology 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 Cardiovascular Disease (Cardiology) (10), Nurse Practitioner (8) and Cardiac Electrophysiology (5). Of these, 6 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mercy Health Westshore Cardiology 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 Health Westshore Cardiology 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 Health Westshore Cardiology 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 7 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.