Active NPI
Stephen B Williams, DDS
- Oral and Maxillofacial Pathology Dentistry
- Washington, DC
National Provider Identifier
1700860160
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Oral and Maxillofacial Pathology Dentistry
- License
- 18404
- Practice address
- Afip, 6825 16TH St NW
BLDG 54, RM 3055
Washington, DC 20306-0001 - Phone
- (202) 782-1800
- NPI assigned
- Nov 30, 2005
- 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 |
|---|---|---|---|---|
| Oral and Maxillofacial Pathology Dentistry | 1223P0106X | 18404 | TX | Primary |
Addresses
Primary practice location
Afip, 6825 16TH St NW
BLDG 54, RM 3055
Washington, DC 20306-0001
Mailing address
1914 Elkhart St
Silver Spring, MD 20910-2153
Phone (301) 587-6067
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 |
|---|---|---|---|
| 18404 | TX | MD | Oral and Maxillofacial Pathology Dentist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133308800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1700860160",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1914 ELKHART ST",
"city": "SILVER SPRING",
"state": "MD",
"postal_code": "209102153",
"telephone_number": "301-587-6067"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "AFIP, 6825 16TH ST NW",
"address_2": "BLDG 54, RM 3055",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "203060001",
"telephone_number": "202-782-1800"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "STEPHEN",
"middle_name": "B",
"name_prefix": "Dr.",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-30",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1223P0106X",
"taxonomy_group": "",
"desc": "Dentist, Oral and Maxillofacial Pathology",
"state": "TX",
"license": "18404",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Washington, DC
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.