Active NPI
Matthew Fierro, O.D.
- Optometrist
- Gilbert, AZ
National Provider Identifier
1457703191
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 2134
- Practice address
- 2156 E Williams Field Rd Ste 104
Gilbert, AZ 85295-0733 - Phone
- (480) 814-2584
- Fax
- (480) 963-9391
- NPI assigned
- Jul 6, 2016
- 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 2134 | AZ | Primary |
Addresses
Primary practice location
2156 E Williams Field Rd Ste 104
Gilbert, AZ 85295-0733
Mailing address
2156 E Williams Field Rd Ste 104
Gilbert, AZ 85295-0733
Phone (480) 814-2584
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Mar 16, 2026 through Mar 16, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2134 | AZ | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emergency Medical & Surgical Specialists of Colorado LLC | 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.
-
- Critical Access Hospital
- Denver, CO
- NPI 1144669102
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1467763200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1467763200000",
"number": "1457703191",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2156 E WILLIAMS FIELD RD STE 104",
"city": "GILBERT",
"state": "AZ",
"postal_code": "852950733",
"telephone_number": "480-814-2584",
"fax_number": "480-963-9391"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2156 E WILLIAMS FIELD RD STE 104",
"city": "GILBERT",
"state": "AZ",
"postal_code": "852950733",
"telephone_number": "480-814-2584",
"fax_number": "480-963-9391"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FIERRO",
"first_name": "MATTHEW",
"name_prefix": "Dr.",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2016-07-06",
"last_updated": "2016-07-06",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "AZ",
"license": "2134",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Gilbert, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2016; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.