DR. WILLIAM BRENNAN ARDEN DDS PHD DMSC MPH NPI 1285912154

NPI Information

NPI: 1285912154
Provider Name: DR. WILLIAM BRENNAN ARDEN, DDS, PHD, DMSC, MPH
Classification: Dentist - 1223E0200X
Specialization: Endodontics
Entity Type: Individual
PECOS Registration: Yes
Address: 8955 WOOD RD
BETHESDA, MD
ZIP 20889
Phone: (301) 295-8051

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NPI Details

DR. William Brennan Arden, DDS, PHD, DMSC, MPH is an endodontics dentist in Bethesda, MD. The provider is the branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions. DR. William Brennan Arden, DDS, PHD, DMSC, MPH NPI is 1285912154. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

8955 WOOD RD
BETHESDA, MD
ZIP 20889-628
Phone: (301) 295-8051

The NPI 1285912154 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA).

The enumeration date for this NPI number is 7/26/2011 and was last updated on 1/15/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No.	Taxonomy Code	Taxonomy Clasification	Taxonomy Specialization	License Number	License State	Primary
1	1223E0200X	Dentist	Endodontics	DEN03439	RHODE ISLAND	No
2	1223E0200X	Dentist	Endodontics	DN1857462	MASSACHUSETTS	No
3	1223E0200X	Dentist	Endodontics	VA-0013	MARYLAND	No
4	1223G0001X	Dentist	General Practice	27167	TEXAS	No
5	1223E0200X	Dentist	Endodontics	27167	TEXAS	Yes
6	122300000X	Dentist		DN1857462	MASSACHUSETTS	No

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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