Active NPI
Arthur Knack, PH.D., CCC-SLP
- Speech-Language Pathologist
- Ann Arbor, MI
National Provider Identifier
1104195502
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Pathologist
- License
- 7101002307
- Practice address
- 2215 Fuller Rd
Ann Arbor, MI 48105-2303 - Phone
- (734) 845-5144
- NPI assigned
- Dec 14, 2011
- 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 |
|---|---|---|---|---|
| Speech-Language Pathologist | 235Z00000X | 7101002307 | MI | Primary |
Addresses
Primary practice location
2215 Fuller Rd
Ann Arbor, MI 48105-2303
Mailing address
2215 Fuller Rd
Ann Arbor, MI 48105-2303
Phone (734) 845-5144
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 Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 7101002307 | MI | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1323820800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772755200000",
"number": "1104195502",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2215 FULLER RD",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481052303",
"telephone_number": "734-845-5144"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2215 FULLER RD",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481052303",
"telephone_number": "734-845-5144"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KNACK",
"first_name": "ARTHUR",
"name_prefix": "Mr.",
"credential": "PH.D., CCC-SLP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2011-12-14",
"last_updated": "2026-03-06",
"certification_date": "2026-03-06",
"status": "A"
},
"taxonomies": [
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "MI",
"license": "7101002307",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Ann Arbor, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 6, 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.