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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM JOHN LYONS D.D.S.
NPI 1013968031
Dentist - General Practice in Bethesda, MD

Active since May 15, 2006
8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-5440 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William John Lyons D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM JOHN LYONS D.D.S. (NPI 1013968031) is an individual general practice provider in Bethesda, Maryland, licensed in Iowa (7338) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1013968031
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameWILLIAM JOHN LYONSCredential: D.D.S.
Location Address8901 WISCONSIN AVEBethesda, MD 20889-0001
Mailing Address235 Congressional LnRockville, MD 20852-1559 · (240) 620-3941
Phone(301) 295-5440
Sole ProprietorNo
Enumeration DateMay 15, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1013968031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in IA · 7338
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
8901 WISCONSIN AVE, Bethesda, MD 20889
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TAMMERA NELSON
Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4497
DAWOOD TAFTI M.D.
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 319-8373
DR. ASHLEY BEE BOZZAY
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-8588
DR. ADAM JOSEPH MAIER DO
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
OANA MARIA POVIAN STROIE MD
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
SIMAL RUHISHTA ALI DO
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4900
DR. JACOB L FRIESEN M.D.
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Montgomery County (301) 319-3772
MS. CARLA PATRICE ALEXIS P.T.
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4880

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Lyons's NPI number?

The NPI number for William Lyons is 1013968031. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is William Lyons located?

William Lyons practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-5440.

What is William Lyons's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for William Lyons was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.