Active NPI
Courtney M Tessmer, PA-C
- Physician Assistant
- Royal Oak, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 5601007988
- Practice address
- 221 S Main St Ste 201
Royal Oak, MI 48067-2653 - Phone
- (248) 398-6459
- NPI assigned
- Oct 3, 2016
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 6801090650 | MI | |
| Physician Assistant | 363A00000X | 5601007988 | MI | Primary |
Addresses
Primary practice location
221 S Main St Ste 201
Royal Oak, MI 48067-2653
Mailing address
221 S Main St Ste 201
Royal Oak, MI 48067-2653
Phone (248) 398-6459
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
330 Lincoln Ave
Iron River, MI 49935-8452
Phone (718) 298-4375
42815 Garfield Rd
Suite 201
Clinton Township, MI 48038-1143
Phone (586) 333-5328
8401 Holly Rd
Suite 2
Grand Blanc, MI 48439-1812
8401 Holly Rd
Suite 2
Grand Blanc, MI 48439-1978
Phone (810) 306-2858
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 90
- Improvement activities
- 40
- Cost
- 82.51
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Senior Therapeutic Solutions, LLC | Clinical | Current | Accepting new patients |
| Oceanside Services LLC | Past | Accepting new patients |
Locations
4001 Walli Strasse Dr
Ste B
Burton, MI 48509
Phone (810) 306-2858
8401 Holly Rd
Ste 2
Grand Blanc, MI 48439
Phone (810) 286-3959
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Clinical Social Worker
- Burton, MI
- NPI 1215799978
-
- Professional Counselor
- Clinton Township, MI
- NPI 1801245972
-
- Clinical Psychologist
- Iron River, MI
- NPI 1548995608
-
- Psychiatric/Mental Health Nurse Practitioner
- Grand Blanc, MI
- NPI 1659234375
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1475452800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782691200000",
"number": "1720537731",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "221 S MAIN ST STE 201",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480672653",
"telephone_number": "248-398-6459"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "221 S MAIN ST STE 201",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480672653",
"telephone_number": "248-398-6459"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TESSMER",
"first_name": "COURTNEY",
"middle_name": "M",
"credential": "PA-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2016-10-03",
"last_updated": "2026-06-29",
"certification_date": "2026-06-29",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "MI",
"license": "6801090650",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MI",
"license": "5601007988",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Royal Oak, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.