Active NPI
Greg J. Matus, O.D.
- Corneal and Contact Management Optometrist
- Franklin, WI
National Provider Identifier
1407840531
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Corneal and Contact Management Optometrist
- License
- 2217-035
- Practice address
- 7113 S 76TH St
Franklin, WI 53132-9736 - Phone
- (414) 427-4577
- NPI assigned
- Sep 3, 2005
- 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 2217-035 | WI | |
| Corneal and Contact Management Optometrist | 152WC0802X | 2217-035 | WI | Primary |
Addresses
Primary practice location
7113 S 76TH St
Franklin, WI 53132-9736
Mailing address
12275 W Black Oak Dr
Greenfield, WI 53228-1047
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 38574300 | Medicaid | WI |
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 |
|---|---|---|---|
| 2217-035 | WI | MD | Optometrist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1125705600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1407840531",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12275 W BLACK OAK DR",
"city": "GREENFIELD",
"state": "WI",
"postal_code": "532281047"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7113 S 76TH ST",
"city": "FRANKLIN",
"state": "WI",
"postal_code": "531329736",
"telephone_number": "414-427-4577"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATUS",
"first_name": "GREG",
"middle_name": "J.",
"name_prefix": "Dr.",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-03",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "WI",
"license": "2217-035",
"primary": false
},
{
"code": "152WC0802X",
"taxonomy_group": "",
"desc": "Optometrist, Corneal and Contact Management",
"state": "WI",
"license": "2217-035",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "38574300",
"state": "WI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Franklin, WI
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.