Active NPI
Marshall Newell McArthur, DDS
- Dentist
- Cheyenne, WY
National Provider Identifier
1508552118
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dentist
- License
- 1648
- Practice address
- 4000 Laramie St
Cheyenne, WY 82001-2064 - Phone
- (307) 426-4014
- NPI assigned
- Apr 17, 2023
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dentist | 122300000X | 1648 | WY | Primary |
Addresses
Primary practice location
4000 Laramie St
Cheyenne, WY 82001-2064
Mailing address
4000 Laramie St
Cheyenne, WY 82001-2064
Phone (307) 426-4014
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1648 | WY | MD | Physical Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1681689600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753660800000",
"number": "1508552118",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4000 LARAMIE ST",
"city": "CHEYENNE",
"state": "WY",
"postal_code": "820012064",
"telephone_number": "307-426-4014"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4000 LARAMIE ST",
"city": "CHEYENNE",
"state": "WY",
"postal_code": "820012064",
"telephone_number": "307-426-4014"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCARTHUR",
"first_name": "MARSHALL",
"middle_name": "NEWELL",
"name_prefix": "Dr.",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-17",
"last_updated": "2025-07-28",
"certification_date": "2025-07-28",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "WY",
"license": "1648",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Cheyenne, WY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.