Nathan Altner, PA-C
Individual provider Active NPI Physician Assistant · Muskegon, MI
NPI 1225752959 · NPPES record last updated Sep 18, 2025
Key facts
- NPI
- 1225752959
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Physician Assistant 363A00000X
- License
- 5601011303 (MI)
- Practice address
- 1223 Mercy Dr
Muskegon, MI 49444-1829 - Phone
- (231) 672-3500
- NPI assigned
- Sep 27, 2022
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 5
Hospital & facility affiliations 2
Medicare Care Compare profile
- Specialty
- Physician Assistant
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mercy Health Westshore Cardiology Services
Iha Health Services Corporation
Practice addresses (Care Compare)
1212 E Sherman Blvd
Muskegon, MI 49444-1879
Phone (231) 672-3500
1223 Mercy Dr
Muskegon, MI 49444-1829
Phone (231) 672-3500
1670 E Sherman Blvd
Suite 100
Muskegon, MI 49444-1863
Phone (231) 672-3600
2006 Holton Rd
Suite 500
Muskegon, MI 49445-1505
Phone (231) 370-1280
2305 Genoa Bus Park Dr
Brighton, MI 48114-7005
3380 44TH St SW
Suite 100 Trinity Health Urgent Care Rivert
Grandville, MI 49418-2461
Phone (616) 410-7703
Hospital & facility affiliations
- Trinity Health Muskegon Hospital
- Mercy Health Lakeshore Campus
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20240409004863 | MI | Practitioner - Physician Assistant | 5395183347 | Reassigns benefits to 3 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Iha Health Services Corporation | Current |
Accepting new patients | |
| Iha Health Service Corporation | Current |
Accepting new patients |
Locations
2305 Genoa Business Park Dr
Ste 200
Brighton, MI 48114
Phone (810) 494-6840
128 Van Buren St
Chelsea, MI 48118
Phone (734) 475-8677
Interoperability endpoints
- naltner2121934@direct.trinity-health.org
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 5601011303 | MI | Yes |
Addresses
Primary practice location
1223 Mercy Dr
Muskegon, MI 49444-1829
Mailing address
256 Westown Dr NW Apt 305
Walker, MI 49534-3725
Other providers in Muskegon, MI
- Vernon William Allen
- Kenneth Richard Almas
- Doaa Alnaggar
- Alpha Psychological Services of Western Michigan
- Elizabeth Ann Alsteens
- Maria Alvarado
- David Alexander Alves Sr.
- Ekow Damoah Amakye
- Theourrn Amalathasan
- Amanda Family Inc
All providers in Muskegon, MI · Physician Assistant in Michigan
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Sep 18, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.