Active NPI
Amy C Onken, O.D.
- Optometrist
- Duluth, MN
National Provider Identifier
1194776112
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 2796
- Practice address
- 801 W Central Entrance
Duluth, MN 55811-5468 - Phone
- (218) 727-7163
- Fax
- (218) 727-6240
- NPI assigned
- May 15, 2006
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 2796 | MN | Primary |
Addresses
Primary practice location
801 W Central Entrance
Duluth, MN 55811-5468
Mailing address
801 W Central Entrance
Duluth, MN 55811-5468
Phone (218) 727-7163
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 37503880 | Medicaid | MN |
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)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147651200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1194776112",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "801 W CENTRAL ENTRANCE",
"city": "DULUTH",
"state": "MN",
"postal_code": "558115468",
"telephone_number": "218-727-7163",
"fax_number": "218-727-6240"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 W CENTRAL ENTRANCE",
"city": "DULUTH",
"state": "MN",
"postal_code": "558115468",
"telephone_number": "218-727-7163",
"fax_number": "218-727-6240"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ONKEN",
"first_name": "AMY",
"middle_name": "C",
"name_prefix": "Dr.",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-15",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "MN",
"license": "2796",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "37503880",
"state": "MN"
}
],
"endpoints": [],
"other_names": []
}Other providers in Duluth, 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.