Mercy Specialty Services
NPI 1629010384 · Internal Medicine Physician · Muskegon, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercy Specialty Services is a Internal Medicine Physician organization in Muskegon, MI (NPI 1629010384).
Provider details
- NPI number
- 1629010384
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Mercy Health Partners
- Organization subpart
- Yes
- Authorized official
- Michael Gusho, Chief Financial Officer(734) 398-0642
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Nurse Practitioner363L00000X
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
- Obstetrics & Gynecology Physician207V00000X
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- Mercy General Specialty Services
- Doing business as
- Trinity Health Medical Group
Additional practice locations (3)
- 1310 Wisconsin St Ste 200Grand Haven, MI 49417-2472Phone: (616) 844-4790Fax: (616) 844-4794
- 1500 E Sherman BlvdMuskegon, MI 49444-1849Phone: (231) 672-3883
- 6401 Prairie St Ste 2300Norton Shores, MI 49444-7842Phone: (231) 727-7928Fax: (231) 727-7844
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Mercy Specialty Services's NPI number?
- Mercy Specialty Services's National Provider Identifier (NPI) is 1629010384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Specialty Services?
- Mercy Specialty Services is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mercy Specialty Services located?
- Mercy Specialty Services's practice location on file with NPPES is 1150 E Sherman Blvd Ste 2400, Muskegon, MI 49444.
- What is Mercy Specialty Services's phone number?
- The practice phone number listed in the NPPES registry for Mercy Specialty Services is (231) 672-6336.
- Does Mercy Specialty Services accept Medicare?
- Mercy Specialty Services is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mercy Specialty Services?
- The authorized official listed on Mercy Specialty Services's NPPES record is Michael Gusho, Chief Financial Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Specialty Services's NPI active?
- Yes — Mercy Specialty Services's NPI (1629010384) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.