Active NPI
Dennis Paul Billman, LPC
- Counselor
- Alton, IL
National Provider Identifier
1639370653
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Counselor
- License
- 178.017686
- Practice address
- 108 Northport Dr
Alton, IL 62002-5904 - Phone
- (618) 466-0295
- NPI assigned
- May 29, 2007
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Counselor | 101Y00000X | 178.017686 | IL | Primary |
| Professional Counselor | 101YP2500X | 2006015367 | MO |
Addresses
Primary practice location
108 Northport Dr
Alton, IL 62002-5904
Mailing address
108 Northport Dr
Alton, IL 62002-5904
Phone (618) 466-0295
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2006015367 | MO | MD | Professional Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Open Door Counseling LLC | Professional | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Professional Counselor
- Marshfield, MO
- NPI 1235597212
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1180396800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1639370653",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "108 NORTHPORT DR",
"city": "ALTON",
"state": "IL",
"postal_code": "620025904",
"telephone_number": "618-466-0295"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "108 NORTHPORT DR",
"city": "ALTON",
"state": "IL",
"postal_code": "620025904",
"telephone_number": "618-466-0295"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BILLMAN",
"first_name": "DENNIS",
"middle_name": "PAUL",
"name_prefix": "Mr.",
"credential": "LPC",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-05-29",
"last_updated": "2026-07-13",
"certification_date": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "101Y00000X",
"taxonomy_group": "",
"desc": "Counselor",
"state": "IL",
"license": "178.017686",
"primary": true
},
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "MO",
"license": "2006015367",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Alton, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.