Active NPI
Sean Dale McNall
- Internal Medicine Physician
- Billings, MT
National Provider Identifier
1972191997
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- MED-PHYS-LIC-169874
- Practice address
- 801 N 29TH St
Billings, MT 59101-0905 - Phone
- (406) 690-2984
- NPI assigned
- Jan 5, 2021
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | MED-PHYS-LIC-169874 | MT | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Hospitalist Physician | 208M00000X | MED-PHYS-LIC-169874 | MT |
Addresses
Primary practice location
801 N 29TH St
Billings, MT 59101-0905
Mailing address
PO Box 35100
Billings, MT 59107-5100
Phone (406) 690-2984
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20230929000546 | MT | Order and Referring Only - Internal Medicine | 8729432430 |
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Other, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Billings Clinic
Practice addresses (Care Compare)
2800 10TH Ave N
Billings, MT 59101-0703
Phone (406) 657-4000
Hospital & facility affiliations
- Billings Clinic Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MED-PHYS-LIC-169874 | MT | MD | Hospitalist Physician |
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Bozeman, MT
- NPI 1215660840
-
- General Acute Care Hospital
- Billings, MT
- NPI 1265478291
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1609804800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780531200000",
"number": "1972191997",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 35100",
"city": "BILLINGS",
"state": "MT",
"postal_code": "591075100",
"telephone_number": "406-690-2984"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 N 29TH ST",
"city": "BILLINGS",
"state": "MT",
"postal_code": "591010905",
"telephone_number": "406-690-2984"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCNALL",
"first_name": "SEAN",
"middle_name": "DALE",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-01-05",
"last_updated": "2026-06-04",
"certification_date": "2026-06-04",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MT",
"license": "MED-PHYS-LIC-169874",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "MT",
"license": "MED-PHYS-LIC-169874",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Billings, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 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.