Nwamaka Merah, MD
Individual provider Active NPI Internal Medicine Physician · Saginaw, MI
NPI 1255065124 · NPPES record last updated Sep 19, 2025
Key facts
- NPI
- 1255065124
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Internal Medicine Physician 207R00000X
- License
- 4351049988 (MI)
- Practice address
- 800 S Washington Ave
Saginaw, MI 48601-2551 - Phone
- (989) 839-1644
- Fax
- (989) 839-3029
- NPI assigned
- Jul 14, 2022
- Sex
- Female
- Sole proprietor
- Yes
Organizations & group practices 10
Hospital & facility affiliations 6
Medicare Care Compare profile
- Specialty
- Internal Medicine
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mymichigan Medical Group
Practice addresses (Care Compare)
800 S Washington Ave
Saginaw, MI 48601-2551
Phone (989) 839-1644
Hospital & facility affiliations
- Compassus - Bay City
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Midland
- Saint Mary'S Standish Community Hospital
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: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250721002200 | MI | Practitioner - Internal Medicine | 6406381193 | Reassigns benefits to 2 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4351049988 | MI | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mymichigan Medical Center Sault | Current |
Accepting new patients | |
| Mymichigan Medical Center Alpena | Current |
Accepting new patients | |
| Mymichigan Medical Group | Current | Accepting new patients | |
| Mymichigan Medical Group | Internal Medicine | Current |
Accepting new patients |
| Mymichigan Medical Center Sault | Current |
Accepting new patients | |
| Mymichigan Medical Center Sault | Current | Accepting new patients | |
| Mymichigan Medical Center Saginaw | Past | Accepting new patients |
Locations
609 Quarter St
Gladwin, MI 48624
Phone (989) 246-6371
815 N Clare Ave
Harrison, MI 48625
Phone (989) 539-4096
4000 Wellness Dr
Midland, MI 48670
Phone (844) 832-1956
800 S Washington Ave
Saginaw, MI 48601
Phone (989) 776-8000
500 Osborn Blvd
Sault South Marie, MI 49783
Phone (906) 635-4350
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 4351049988 | MI | Yes |
Addresses
Primary practice location
800 S Washington Ave
Saginaw, MI 48601-2551
Mailing address
4000 Wellness Dr
Midland, MI 48670-2000
Other practice location 1
1015 S Washington Ave Fl 3
Saginaw, MI 48601-2556
Phone (989) 746-7681
Other providers in Saginaw, MI
- Daniel J Mendyk
- Tena G Mendyk
- Nathalie P Menendes
- Vasant K Menon
- Melissa L Menzies
- McClain Mercer
- Lucy R. Mercier
- Kylie Mericle
- Susan E Merrell
- Cynthia R. Merrills
All providers in Saginaw, MI · Internal Medicine Physician 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 19, 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.