Individual provider Active NPI

William Brennan Arden, DDS, PHD, DMSC, MPH

  • Endodontics
  • Bethesda, MD
National Provider Identifier
1285912154
Registry record updated Jan 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
EndodonticsTaxonomy code 1223E0200X
License
27167 Issued in TX
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

Updated by the provider on Jan 15, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20161207000396 MA Order and Referring Only - DentistPractitioner - Dentist 5799065876

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
VA-0013MDMDEndodontist
DEN03439RIMDEndodontist
27167TXMDEndodontist

Practice roles

OrganizationSpecialtyStatusNew patients
Family & Cosmetic Dentistry Dentist PastSince Jan 19, 2025 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.

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

Verify at the official NPI Registry.