Active NPI
Joseph Grenn, D.M.D.
- Endodontics
- San Francisco, CA
National Provider Identifier
1245446509
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endodontics
- License
- 22501
- Practice address
- 500 Spruce St
San Francisco, CA 94118-2648 - Phone
- (415) 221-2900
- Fax
- (415) 221-2950
- NPI assigned
- May 15, 2007
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endodontics | 1223E0200X | 22501 | CA | Primary |
Addresses
Primary practice location
500 Spruce St
San Francisco, CA 94118-2648
Mailing address
32 Great Circle Drive
Mill Valley, CA 94941-3217
Phone (415) 221-2900
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1179187200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1183852800000",
"number": "1245446509",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "32 GREAT CIRCLE DRIVE",
"city": "MILL VALLEY",
"state": "CA",
"postal_code": "949413217",
"telephone_number": "415-221-2900",
"fax_number": "415-221-2950"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "500 SPRUCE ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941182648",
"telephone_number": "415-221-2900",
"fax_number": "415-221-2950"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GRENN",
"first_name": "JOSEPH",
"name_prefix": "Dr.",
"credential": "D.M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-05-15",
"last_updated": "2007-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "CA",
"license": "22501",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Francisco, 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.