Active NPI
Roger W Mattison, M.S.
- Audiologist-Hearing Aid Fitter
- Arcata, CA
National Provider Identifier
1598863680
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Audiologist-Hearing Aid Fitter
- License
- HA 954
- Practice address
- 3770 Janes Rd
Arcata, CA 95521-4744 - Phone
- (707) 822-9122
- Fax
- (707) 822-1969
- NPI assigned
- Sep 20, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Audiologist | 231H00000X | AU 301 | CA | |
| Audiologist-Hearing Aid Fitter | 237600000X | HA 954 | CA | Primary |
Addresses
Primary practice location
3770 Janes Rd
Arcata, CA 95521-4744
Mailing address
3770 Janes Rd
Arcata, CA 95521-4744
Phone (707) 822-9122
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
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| AU 301 | CA | MD | Audiologist |
| HA 954 | CA | MD | Audiologist-Hearing Aid Fitter |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1158710400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1598863680",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3770 JANES RD",
"city": "ARCATA",
"state": "CA",
"postal_code": "955214744",
"telephone_number": "707-822-9122",
"fax_number": "707-822-1969"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3770 JANES RD",
"city": "ARCATA",
"state": "CA",
"postal_code": "955214744",
"telephone_number": "707-822-9122",
"fax_number": "707-822-1969"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATTISON",
"first_name": "ROGER",
"middle_name": "W",
"credential": "M.S.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-09-20",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "231H00000X",
"taxonomy_group": "",
"desc": "Audiologist",
"state": "CA",
"license": "AU 301",
"primary": false
},
{
"code": "237600000X",
"taxonomy_group": "",
"desc": "Audiologist-Hearing Aid Fitter",
"state": "CA",
"license": "HA 954",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Arcata, CA
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.