Active NPI
Mymichigan Medical Center Saginaw
Doing business as Ascension Medical Group Bay City Family Physicians
- Family Medicine Physician
- Bay City, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- AC043757
- Legal business name
- MYMICHIGAN MEDICAL CENTER SAGINAW
- Doing business as
- Ascension Medical Group Bay City Family Physicians
- Practice address
- 4040B N . Euclid Ave
Bay City, MI 48706 - Phone
- (989) 671-9153
- Fax
- (989) 671-9253
- NPI assigned
- Jul 13, 2007
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | AC043757 | MI | Primary |
Addresses
Primary practice location
4040B N . Euclid Ave
Bay City, MI 48706
Mailing address
4000 Wellness Dr
Midland, MI 48670-2000
Phone (844) 832-1956
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3356140 TYPE 10 | Medicaid | MI |
Other names 2
- Ascension Medical Group Bay City Family Physicians
- MYMICHIGAN FAMILY MEDICINE
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20111202000096 | MI | Part B Supplier - Clinic/Group Practice | 6305737156 |
Receives reassigned benefits from 10 practitioners Practice locations: Bay 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 Neurosurgery
- Neurological Surgery Physician
- Saginaw, MI
- NPI 1285974014
6305737156
-
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
-
- Radiation Oncology Physician
- Saginaw, MI
- NPI 1780841262
6305737156
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 10
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.
-
- Physician Assistant
- Bay City, MI
- NPI 1730711573
-
- Family Medicine Physician
- Bay City, MI
- NPI 1922528512
-
- Family Medicine Physician
- Bay City, MI
- NPI 1659869139
-
- Family Nurse Practitioner
- Bay City, MI
- NPI 1245064096
-
- Family Medicine Physician
- Muskegon, MI
- NPI 1679545115
-
- Physician Assistant
- Standish, MI
- NPI 1043861263
-
- Family Medicine Physician
- Midland, MI
- NPI 1033122304
-
- Family Medicine Physician
- Frankenmuth, MI
- NPI 1043208580
-
- Family Nurse Practitioner
- Vassar, MI
- NPI 1003228040
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1184284800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1768348800000",
"number": "1730388380",
"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": "4040B N . EUCLID AVE",
"city": "BAY CITY",
"state": "MI",
"postal_code": "48706",
"telephone_number": "989-671-9153",
"fax_number": "989-671-9253"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "MYMICHIGAN MEDICAL CENTER SAGINAW",
"organizational_subpart": "NO",
"enumeration_date": "2007-07-13",
"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": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "MI",
"license": "AC043757",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3356140 TYPE 10",
"state": "MI"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "Ascension Medical Group Bay City Family Physicians",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "MYMICHIGAN FAMILY MEDICINE",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Bay City, MI
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.