Active NPI
St. Clair Obstetrics & Gynecology, PLLC
- Obstetrics & Gynecology Physician
- Port Huron, MI
National Provider Identifier
1184055394
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 5101015538
- Legal business name
- ST. CLAIR OBSTETRICS & GYNECOLOGY, PLLC
- Practice address
- 2603 Electric Ave Ste 2
Port Huron, MI 48060-6588 - Phone
- (810) 329-3333
- Fax
- (810) 329-1199
- NPI assigned
- Dec 13, 2013
- 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
- Teresa Powser
- Title
- Office Manager
- Phone
- (810) 329-3333
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 5101015538 | MI | Primary |
Addresses
Primary practice location
2603 Electric Ave Ste 2
Port Huron, MI 48060-6588
Mailing address
2603 Electric Ave Ste 2
Port Huron, MI 48060-6588
Phone (810) 329-3333
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 23D2071513 | St Clair Obstetrics Gynecology, PLLC | Provider-performed microscopy | Jan 13, 2028 |
National Provider Directory
National Provider DirectoryLocations
4154 S River Rd
East China, MI 48054
Phone (810) 329-2350
2603 Electric Ave
Ste 2
Port Huron, MI 48060
Phone (810) 329-3333
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Obstetrics & Gynecology Physician
- Port Huron, MI
- NPI 1235126954
-
- Women's Health Nurse Practitioner
- Port Huron, MI
- NPI 1699873612
-
- Family Medicine Physician
- Port Huron, MI
- NPI 1770126211
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1386892800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1770163200000",
"number": "1184055394",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2603 ELECTRIC AVE STE 2",
"city": "PORT HURON",
"state": "MI",
"postal_code": "480606588",
"telephone_number": "810-329-3333",
"fax_number": "810-329-1199"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2603 ELECTRIC AVE STE 2",
"city": "PORT HURON",
"state": "MI",
"postal_code": "480606588",
"telephone_number": "810-329-3333",
"fax_number": "810-329-1199"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "ST. CLAIR OBSTETRICS & GYNECOLOGY, PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2013-12-13",
"last_updated": "2026-02-04",
"certification_date": "2026-02-04",
"status": "A",
"authorized_official_last_name": "POWSER",
"authorized_official_first_name": "TERESA",
"authorized_official_title_or_position": "OFFICE MANAGER",
"authorized_official_telephone_number": "810-329-3333"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Obstetrics & Gynecology",
"state": "MI",
"license": "5101015538",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Port Huron, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.