William Arden, DDS, PHD, DMSC, MPH
NPI 1285912154 · Endodontics · Bethesda, MD
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Arden, DDS, PHD, DMSC, MPH is a Endodontics provider in Bethesda, MD (NPI 1285912154).
Provider details
- NPI number
- 1285912154
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- DDS, PHD, DMSC, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- DEN03439 (RI)
Specialties & taxonomies
Dental Providers
Dental Providers
Dental Providers
Dental Providers
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 7201 Wisconsin Ave Ste 370Bethesda, MD 20814-4846Phone: (301) 264-5015
- 1960 Mendon RdCumberland, RI 02864-4318Phone: (401) 333-1516
Registry dates
- Enumerated
- 2011-07-26
- Last updated
- 2025-01-15
- Certified
- 2025-01-15
Frequently asked questions
- What is William Arden's NPI number?
- William Arden's National Provider Identifier (NPI) is 1285912154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Arden's specialty?
- William Arden is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is William Arden located?
- William Arden's practice location on file with NPPES is 8955 Wood Rd, Bethesda, MD 20889-5628.
- What is William Arden's phone number?
- The practice phone number listed in the NPPES registry for William Arden is (301) 295-8051.
- Does William Arden accept Medicare?
- William Arden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Arden's NPI active?
- Yes — William Arden's NPI (1285912154) is active in the NPPES registry as of the last update on 2025-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.