Active NPI
William Brennan Arden, DDS, PHD, DMSC, MPH
- Endodontics
- Bethesda, MD
National Provider Identifier
1285912154
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endodontics
- License
- 27167
- Practice address
- 8955 Wood Rd
Bethesda, MD 20889-5628 - Phone
- (301) 295-8051
- NPI assigned
- Jul 26, 2011
- 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 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endodontics | 1223E0200X | DEN03439 | RI | |
| Endodontics | 1223E0200X | DN1857462 | MA | |
| Endodontics | 1223E0200X | VA-0013 | MD | |
| General Practice Dentistry | 1223G0001X | 27167 | TX | |
| Endodontics | 1223E0200X | 27167 | TX | Primary |
| Dentist | 122300000X | DN1857462 | MA |
Addresses
Primary practice location
8955 Wood Rd
Bethesda, MD 20889-5628
Mailing address
1960 Mendon Rd
Cumberland, RI 02864-4318
Phone (401) 333-1516
Other practice location 1
1960 Mendon Rd
Cumberland, RI 02864-4318
Phone (401) 333-1516
Other practice location 2
7201 Wisconsin Ave Ste 370
Bethesda, MD 20814-4846
Phone (301) 264-5015
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20161207000396 | MA | Order and Referring Only - Dentist | 5799065876 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| VA-0013 | MD | MD | Endodontist |
| DEN03439 | RI | MD | Endodontist |
| 27167 | TX | MD | Endodontist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Family & Cosmetic Dentistry | Dentist | 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.
-
- Dentist
- Cumberland, RI
- NPI 1801963186
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1311638400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1736899200000",
"number": "1285912154",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1960 MENDON RD",
"city": "CUMBERLAND",
"state": "RI",
"postal_code": "028644318",
"telephone_number": "401-333-1516"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8955 WOOD RD",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208895628",
"telephone_number": "301-295-8051"
}
],
"practiceLocations": [
{
"address_1": "1960 Mendon Rd",
"address_purpose": "LOCATION",
"city": "Cumberland",
"state": "RI",
"postal_code": "028644318",
"country_code": "US",
"telephone_number": "401-333-1516",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "7201 Wisconsin Ave Ste 370",
"address_purpose": "LOCATION",
"city": "Bethesda",
"state": "MD",
"postal_code": "208144846",
"country_code": "US",
"telephone_number": "301-264-5015",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ARDEN",
"first_name": "WILLIAM",
"middle_name": "BRENNAN",
"name_prefix": "Dr.",
"credential": "DDS, PHD, DMSC, MPH",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2011-07-26",
"last_updated": "2025-01-15",
"certification_date": "2025-01-15",
"status": "A"
},
"taxonomies": [
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "RI",
"license": "DEN03439",
"primary": false
},
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "MA",
"license": "DN1857462",
"primary": false
},
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "MD",
"license": "VA-0013",
"primary": false
},
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "TX",
"license": "27167",
"primary": false
},
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "TX",
"license": "27167",
"primary": true
},
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "MA",
"license": "DN1857462",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Bethesda, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.