Active NPI
Matthew David Telmer, FNP
- Family Nurse Practitioner
- O Fallon, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 2018034196
- Practice address
- 20 Progress Point Pkwy Ste 206
O Fallon, MO 63368-2207 - Phone
- (636) 344-1073
- NPI assigned
- Dec 28, 2018
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | 2018034196 | MO | |
| Family Nurse Practitioner | 363LF0000X | 2018034196 | MO | Primary |
Addresses
Primary practice location
20 Progress Point Pkwy Ste 206
O Fallon, MO 63368-2207
Mailing address
15740 S Outer 40 Rd
Chesterfield, MO 63017-2004
Phone (636) 237-4700
Other practice location 1
15740 S Outer 40 Rd
Chesterfield, MO 63017-2004
Phone (636) 237-4700
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, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1110 Highlands Plaza Dr E
Saint Louis, MO 63110-1351
Phone (314) 273-0195
15740 S Outer 40 Rd
Chesterfield, MO 63017-2004
Phone (636) 237-4200
2630 Hwy K
O Fallon, MO 63368-6624
Phone (636) 240-5454
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2018034196 | MO | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Physician Groups LC | Current | Accepting new patients | |
| Physician Groups LC | Current | Accepting new patients | |
| Physician Groups LC | Past | Accepting new patients |
Locations
20 Progress Point Pkwy
Ste 206
O Fallon, MO 63368
Phone (636) 344-1073
2630 Highway K
O Fallon, MO 63368
Phone (636) 240-5454
201 Bjc Saint Peters Dr
Ste 200
Saint Peters, MO 63376
Phone (636) 916-9615
70 Jungermann Cir
Ste 201
Saint Peters, MO 63376
Phone (636) 916-9525
Organizations & group practices 5
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.
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1285664268
-
- Neurology Physician
- Chesterfield, MO
- NPI 1063965093
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1992746903
-
- Rural Health Clinic/Center
- Centralia, MO
- NPI 1164615316
-
- Multi-Specialty Clinic/Center
- Farmington, MO
- NPI 1427114990
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1545955200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776297600000",
"number": "1760954952",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15740 S OUTER 40 RD",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630172004",
"telephone_number": "636-237-4700",
"fax_number": "314-364-6350"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20 PROGRESS POINT PKWY STE 206",
"city": "O FALLON",
"state": "MO",
"postal_code": "633682207",
"telephone_number": "636-344-1073"
}
],
"practiceLocations": [
{
"address_1": "15740 S Outer 40 Rd",
"address_purpose": "LOCATION",
"city": "Chesterfield",
"state": "MO",
"postal_code": "630172004",
"country_code": "US",
"telephone_number": "636-237-4700",
"fax_number": "314-364-6350",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TELMER",
"first_name": "MATTHEW",
"middle_name": "DAVID",
"name_prefix": "Mr.",
"credential": "FNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-12-28",
"last_updated": "2026-04-16",
"certification_date": "2026-04-16",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "MO",
"license": "2018034196",
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MO",
"license": "2018034196",
"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": "20 Progress Point Pkwy Ste 206",
"city": "O Fallon",
"state": "MO",
"country_code": "US",
"postal_code": "633682207",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in O Fallon, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 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.