Active NPI
Ann Marie Bayne, NP
- Adult Health Nurse Practitioner
- Saint Louis, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Health Nurse Practitioner
- License
- 2016038189
- Practice address
- 621 S New Ballas Rd Ste 228a
Saint Louis, MO 63141-8256 - Phone
- (314) 251-4966
- Fax
- (314) 251-4588
- NPI assigned
- Oct 25, 2016
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Adult Health Nurse Practitioner | 363LA2200X | 2016038189 | MO | Primary |
Addresses
Primary practice location
621 S New Ballas Rd Ste 228a
Saint Louis, MO 63141-8256
Mailing address
621 S New Ballas Rd Ste 228a
Saint Louis, MO 63141-8256
Phone (314) 251-4966
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ | Health Information Exchange (HIE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3023 N Ballas Rd
Suite 150D
Saint Louis, MO 63131-2319
Phone (314) 996-5287
621 S New Ballas Rd
Suite 228a
Saint Louis, MO 63141-8256
Phone (314) 251-4966
Hospital & facility affiliations
- Mercy Hospital St Louis
- Missouri Baptist Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 79.22 of 100
- Quality
- 72.08
- Promoting interoperability
- 100
- Improvement activities
- 20
- Cost
- 74.14
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Missouri Baptist Physician Services LLC | Current | Accepting new patients | |
| MB Professional Billing Services, LLC | Past | Accepting new patients |
Locations
3023 N Ballas Rd
Ste 150D
Saint Louis, MO 63131
Phone (314) 996-5287
3023 N Ballas Rd
Saint Louis, MO 63131
Phone (314) 273-0770
3015 N Ballas Rd
Saint Louis, MO 63131
Phone (314) 996-5330
Interoperability endpoints
- https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Organizations & group practices 3
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.
-
- Medical Specialty Clinic/Center
- Saint Louis, MO
- NPI 1245310291
-
- Pulmonary Disease Physician
- Saint Louis, MO
- NPI 1821137886
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1174663900
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1427098169
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1487663506
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1477353600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783382400000",
"number": "1154873180",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "621 S NEW BALLAS RD STE 228A",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631418256",
"telephone_number": "314-251-4966",
"fax_number": "314-251-4588"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "621 S NEW BALLAS RD STE 228A",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631418256",
"telephone_number": "314-251-4966",
"fax_number": "314-251-4588"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BAYNE",
"first_name": "ANN",
"middle_name": "MARIE",
"name_prefix": "Mrs.",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-10-25",
"last_updated": "2026-07-07",
"certification_date": "2026-07-07",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Adult Health",
"state": "MO",
"license": "2016038189",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
"affiliation": "N",
"endpointDescription": "BJC",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "3023 N Ballas Rd Ste 150D",
"city": "Saint Louis",
"state": "MO",
"country_code": "US",
"postal_code": "631312319",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Saint Louis, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.