Active NPI
David Mark Olson, M.D.
- Psychiatry Physician
- Sheridan, WY
National Provider Identifier
1831285451
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 34559
- Practice address
- 1898 Fort Road
Sheridan Vamc
Sheridan, WY 82801 - Phone
- (307) 672-3473
- Fax
- (307) 672-1911
- NPI assigned
- Oct 4, 2006
- 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | H7333 | TX | |
| Psychiatry Physician | 2084P0800X | 34559 | CO | Primary |
Addresses
Primary practice location
1898 Fort Road
Sheridan Vamc
Sheridan, WY 82801
Mailing address
1898 Fort Road
Sheridan Vamc
Sheridan, WY 82801
Phone (307) 672-3473
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
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 34559 | CO | MD | Psychiatry Physician |
| H7333 | TX | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159920000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1831285451",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1898 FORT ROAD",
"address_2": "SHERIDAN VAMC",
"city": "SHERIDAN",
"state": "WY",
"postal_code": "82801",
"telephone_number": "307-672-3473",
"fax_number": "307-672-1911"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1898 FORT ROAD",
"address_2": "SHERIDAN VAMC",
"city": "SHERIDAN",
"state": "WY",
"postal_code": "82801",
"telephone_number": "307-672-3473",
"fax_number": "307-672-1911"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OLSON",
"first_name": "DAVID",
"middle_name": "MARK",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-04",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "TX",
"license": "H7333",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CO",
"license": "34559",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Sheridan, WY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.