Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Brennan Arden, DDS, PHD, DMSC, MPH

Individual provider Endodontics · NPI 1285912154

Dr. William Brennan Arden, DDS, PHD, DMSC, MPH is an Endodontics in Bethesda, Maryland. Works from 3 locations. Licensed in Massachusetts, Maryland, Rhode Island and Texas.

Licensed in
MA, MD, RI, TX
In the registry since
2011
Specialties on file
6
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

8955 Wood Rd
Bethesda, MD 20889-5628
Phone: (301) 295-8051
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 7201 Wisconsin Ave Ste 370, Bethesda, MD 20814-4846 — (301) 264-5015
  • 1960 Mendon Rd, Cumberland, RI 02864-4318 — (401) 333-1516

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 27167 (TX)
Endodontics Taxonomy 1223E0200X · Licence DEN03439 (RI)
Endodontics Taxonomy 1223E0200X · Licence DN1857462 (MA)
Endodontics Taxonomy 1223E0200X · Licence VA-0013 (MD)
General Practice Dentistry Taxonomy 1223G0001X · Licence 27167 (TX)
Dentist Taxonomy 122300000X · Licence DN1857462 (MA)

Record details

NPI number1285912154
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , PHD , DMSC , MPH
Sole proprietorNo
NPI enumeratedJuly 26, 2011
Last updated in NPPESJanuary 15, 2025
Certification dateJanuary 15, 2025

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