Active NPI
Gary Duane Maas, O.D.
- Optometrist
- Vallejo, CA
National Provider Identifier
1003960048
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- OPT5904T
- Practice address
- 675 Sereno Dr.
Vallejo, CA 94589 - Phone
- (707) 651-2990
- Fax
- (707) 651-2948
- NPI assigned
- Jan 23, 2007
- 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 | OPT5904T | CA | Primary |
Addresses
Primary practice location
675 Sereno Dr.
Vallejo, CA 94589
Mailing address
975 Sereno Dr
Vallejo, CA 94589-2441
Phone (707) 651-2990
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OPT5904T | CA | MD | Optometrist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1169510400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1183852800000",
"number": "1003960048",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "975 SERENO DR",
"city": "VALLEJO",
"state": "CA",
"postal_code": "945892441",
"telephone_number": "707-651-2990",
"fax_number": "707-651-2948"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "675 SERENO DR.",
"city": "VALLEJO",
"state": "CA",
"postal_code": "94589",
"telephone_number": "707-651-2990",
"fax_number": "707-651-2948"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAAS",
"first_name": "GARY",
"middle_name": "DUANE",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-01-23",
"last_updated": "2007-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "OPT5904T",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Vallejo, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.