Active NPI
Donald T Armstrong, OPA-C
- Surgical Physician Assistant
- Saint Paul, MN
National Provider Identifier
1700858321
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Physician Assistant
- License
- 8805
- Practice address
- 17 Exchange St W
#222
Saint Paul, MN 55102-1045 - Phone
- (651) 602-0101
- Fax
- (651) 602-0035
- NPI assigned
- Feb 7, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgical Physician Assistant | 363AS0400X | 8805 | MN | Primary |
Addresses
Primary practice location
17 Exchange St W
#222
Saint Paul, MN 55102-1045
Mailing address
17 Exchange St W
#222
Saint Paul, MN 55102-1045
Phone (651) 602-0101
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 |
|---|---|---|---|
| 8805 | MN | MD | Surgical Physician Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139270400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1700858321",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "17 EXCHANGE ST W",
"address_2": "#222",
"city": "SAINT PAUL",
"state": "MN",
"postal_code": "551021045",
"telephone_number": "651-602-0101",
"fax_number": "651-602-0035"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "17 EXCHANGE ST W",
"address_2": "#222",
"city": "SAINT PAUL",
"state": "MN",
"postal_code": "551021045",
"telephone_number": "651-602-0101",
"fax_number": "651-602-0035"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ARMSTRONG",
"first_name": "DONALD",
"middle_name": "T",
"credential": "OPA-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-07",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "MN",
"license": "8805",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Saint Paul, MN
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.