Active NPI
Vollmar-Yeager Chiropractic Back 2 Back, PLLC
Doing business as Back 2 Back Chiropractic
- Chiropractor
- Cass City, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Chiropractor
- License
- 2301008811
- Legal business name
- VOLLMAR-YEAGER CHIROPRACTIC BACK 2 BACK, PLLC
- Doing business as
- Back 2 Back Chiropractic
- Practice address
- 4456 Seeger St
Cass City, MI 48726-1417 - Phone
- (989) 550-4462
- Fax
- (989) 673-4038
- NPI assigned
- Sep 10, 2007
- Last updated
- May 8, 2025
- 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
- Dr. Heidi Sue Yeager, D.C.
- Title
- Owner/Chiropractor
- Phone
- (989) 550-4462
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Chiropractor | 111N00000X | 2301009186 | MI | |
| Chiropractor | 111N00000X | 2301008811 | MI | Primary |
Addresses
Primary practice location
4456 Seeger St
Cass City, MI 48726-1417
Mailing address
4456 Seeger St
Cass City, MI 48726-1417
Phone (989) 872-2737
Other names 1
- Back 2 Back Chiropractic
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
6249 Main St
Caseville, MI 48725
4456 Seeger St
Cass City, MI 48726
Phone (989) 872-2737
4456 Seeger St
#2
Cass City, MI 48726
Phone (989) 553-2225
Practitioners & affiliated clinicians
Practitioners 2
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.
-
- Chiropractor
- Cass City, MI
- NPI 1437264934
-
- Chiropractor
- Cass City, MI
- NPI 1023040847
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1189382400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1746662400000",
"number": "1972798346",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4456 SEEGER ST",
"city": "CASS CITY",
"state": "MI",
"postal_code": "487261417",
"telephone_number": "989-872-2737",
"fax_number": "989-872-2740"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4456 SEEGER ST",
"city": "CASS CITY",
"state": "MI",
"postal_code": "487261417",
"telephone_number": "989-550-4462",
"fax_number": "989-673-4038"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "VOLLMAR-YEAGER CHIROPRACTIC BACK 2 BACK, PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2007-09-10",
"last_updated": "2025-05-08",
"certification_date": "2025-05-08",
"status": "A",
"authorized_official_last_name": "YEAGER",
"authorized_official_first_name": "HEIDI",
"authorized_official_middle_name": "SUE",
"authorized_official_title_or_position": "OWNER/CHIROPRACTOR",
"authorized_official_telephone_number": "989-550-4462",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "D.C."
},
"taxonomies": [
{
"code": "111N00000X",
"taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
"desc": "Chiropractor",
"state": "MI",
"license": "2301009186",
"primary": false
},
{
"code": "111N00000X",
"taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
"desc": "Chiropractor",
"state": "MI",
"license": "2301008811",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Back 2 Back Chiropractic",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Back 2 Back Chiropractic",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Cass City, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.