Active NPI
Matthew B Tonioli, DDS
- Endodontics
- Phoenix, AZ
National Provider Identifier
1861466146
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endodontics
- License
- D6156
- Practice address
- 4141 N 32ND St
Suite 100
Phoenix, AZ 85018 - Phone
- (602) 667-3600
- Fax
- (602) 667-3611
- NPI assigned
- Feb 14, 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 |
|---|---|---|---|---|
| Endodontics | 1223E0200X | D6156 | AZ | Primary |
Addresses
Primary practice location
4141 N 32ND St
Suite 100
Phoenix, AZ 85018
Mailing address
706 E Bell Rd
Suite 100
Phoenix, AZ 85022
Phone (602) 482-7000
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 |
|---|---|---|---|
| D6156 | AZ | MD | Endodontist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| North Valley Endodontics, P.a. | Endodontics | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Endodontics
- Phoenix, AZ
- NPI 1659308641
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139875200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1861466146",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "706 E BELL RD",
"address_2": "SUITE 100",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "85022",
"telephone_number": "602-482-7000",
"fax_number": "602-482-7021"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4141 N 32ND ST",
"address_2": "SUITE 100",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "85018",
"telephone_number": "602-667-3600",
"fax_number": "602-667-3611"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TONIOLI",
"first_name": "MATTHEW",
"middle_name": "B",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "AZ",
"license": "D6156",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Phoenix, AZ
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.