Active NPI
Mymichigan Medical Center Saginaw
Doing business as Ascension Medical Group Neurosurgery
- Neurological Surgery Physician
- Saginaw, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurological Surgery Physician
- Legal business name
- MYMICHIGAN MEDICAL CENTER SAGINAW
- Doing business as
- Ascension Medical Group Neurosurgery
- Practice address
- 4677 Towne Centre Rd Ste 301
Saginaw, MI 48604 - Phone
- (855) 298-9888
- Fax
- (989) 497-3128
- NPI assigned
- Feb 14, 2013
- Last updated
- Jan 14, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Sarah James
- Title
- Manager Patient Accounting
- Phone
- (989) 701-4734
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurological Surgery Physician | 207T00000X | Primary |
Addresses
Primary practice location
4677 Towne Centre Rd Ste 301
Saginaw, MI 48604
Mailing address
4000 Wellness Dr
Midland, MI 48670-2000
Phone (844) 832-1956
Other practice location 1
9900 Birch Run Rd
Birch Run, MI 48415-9609
Phone (989) 624-1532
Other practice location 2
4677 Towne Centre Rd Ste 301
Saginaw, MI 48604
Phone (855) 298-9888
Other names 1
- Ascension Medical Group Neurosurgery
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20130826000412 | MI | Part B Supplier - Clinic/Group Practice | 6305737156 |
Receives reassigned benefits from 38 practitioners 4 other NPIs on this enrollment Practice locations: Birch Run, MI; Grand Blanc, MI; Midland, MI; Mount Pleasant, MI; Oscoda, MI; Saginaw, MI; Standish, MI; Tawas City, MI… |
Other NPIs with the same Medicare PAC ID 6
NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).
-
dba Ascension Medical Group Primary Care Towne Centre
- Internal Medicine Physician
- Saginaw, MI
- NPI 1326658154
6305737156
-
- Certified Registered Nurse Anesthetist
- Saginaw, MI
- NPI 1457306185
6305737156
-
dba Ascension Medical Group Hematology and Oncology
- Medical Oncology Physician
- Saginaw, MI
- NPI 1538573605
6305737156
-
dba Ascension Medical Group Bay City Family Physicians
- Family Medicine Physician
- Bay City, MI
- NPI 1730388380
6305737156
-
- Radiation Oncology Physician
- Saginaw, MI
- NPI 1780841262
6305737156
Other NPIs on the same Medicare enrollment 4
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
dba Ascension Medical Group Neurology Partners
- Neurology Physician
- Saginaw, MI
- NPI 1366063729
O20130826000412
-
dba Ascension Medical Group Saginaw Valley Neurology
- Neurology Physician
- Saginaw, MI
- NPI 1417427352
O20130826000412
-
dba Ascension Medical Group Riverfront Cardiology
- Cardiovascular Disease Physician
- Saginaw, MI
- NPI 1467736132
O20130826000412
-
dba Ascension Medical Group Urgent Care Birch Run
- Nurse Practitioner
- Birch Run, MI
- NPI 1538662689
O20130826000412
National Provider Directory
National Provider DirectoryOwnership & related parties
All facility ownership & control disclosures 1
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| N/a | Hospital | 5% Or Greater Direct Ownership Interest (100%) | Aug 1, 2024 |
Owned or controlled facilities with NPI records 1
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- General Acute Care Hospital
- Saginaw, MI
- NPI 1871507509
5% Or Greater Direct Ownership Interest
Practitioners & affiliated clinicians
Practitioners 39
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Neurological Surgery Physician
- Saginaw, MI
- NPI 1689830192
-
- Neurological Surgery Physician
- Detroit, MI
- NPI 1255378253
-
- Family Nurse Practitioner
- Saginaw, MI
- NPI 1508194085
-
- Neurology Physician
- Saginaw, MI
- NPI 1528622990
-
- Family Nurse Practitioner
- Saginaw, MI
- NPI 1841073160
-
- Family Nurse Practitioner
- Saginaw, MI
- NPI 1407285257
-
- Neurology Physician
- Clinton Township, MI
- NPI 1285883371
-
- Neurology Physician
- Saginaw, MI
- NPI 1134100175
-
- Family Nurse Practitioner
- Saginaw, MI
- NPI 1437813144
-
- Nurse Practitioner
- Saginaw, MI
- NPI 1699179689
-
- Physician Assistant
- Saginaw, MI
- NPI 1639032147
-
- Nurse Practitioner
- Port Huron, MI
- NPI 1497532436
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1360800000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1768348800000",
"number": "1285974014",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4000 WELLNESS DR",
"city": "MIDLAND",
"state": "MI",
"postal_code": "486702000",
"telephone_number": "844-832-1956",
"fax_number": "989-633-5241"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4677 TOWNE CENTRE RD STE 301",
"city": "SAGINAW",
"state": "MI",
"postal_code": "48604",
"telephone_number": "855-298-9888",
"fax_number": "989-497-3128"
}
],
"practiceLocations": [
{
"address_1": "9900 Birch Run Rd",
"address_purpose": "LOCATION",
"city": "Birch Run",
"state": "MI",
"postal_code": "484159609",
"country_code": "US",
"telephone_number": "989-624-1532",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4677 Towne Centre Rd Ste 301",
"address_purpose": "LOCATION",
"city": "Saginaw",
"state": "MI",
"postal_code": "48604",
"country_code": "US",
"telephone_number": "855-298-9888",
"fax_number": "989-497-3128",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "MYMICHIGAN MEDICAL CENTER SAGINAW",
"organizational_subpart": "NO",
"enumeration_date": "2013-02-14",
"last_updated": "2026-01-14",
"certification_date": "2026-01-14",
"status": "A",
"authorized_official_last_name": "JAMES",
"authorized_official_first_name": "SARAH",
"authorized_official_title_or_position": "MANAGER PATIENT ACCOUNTING",
"authorized_official_telephone_number": "989-701-4734"
},
"taxonomies": [
{
"code": "207T00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Neurological Surgery",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Ascension Medical Group Neurosurgery",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Saginaw, MI
- Mymichigan Medical Center Saginaw (Ascension Medical Group Cardiothoracic Surgical Associates Saginaw)
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Saginaw (Ascension Medical Group Primary Healthcare)
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Saginaw (Ascension Medical Group Primary Care Towne Centre)
- Mymichigan Medical Center Saginaw
- Mymichigan Medical Center Saginaw (Ascension Medical Group Pulmonary and Critical Care)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.