Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David Barwell, MA AUDIOLOGY

Audiologist in Gaithersburg, MD · enumerated 2006 · practices at Olympus Dental LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1649246000

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Registry record

Entity type Individual (Type 1)

Name David Barwell

Credential MA AUDIOLOGY

Sex Male

Practice address 19231 Montgomery Village Ave, Suite D14, Gaithersburg, MD, 20886

Phone (301) 840-5517

Fax (301) 840-5518

Enumeration date Feb 27, 2006

Last updated in NPPES Nov 10, 2011

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 00069 (MD) Primary

Other identifiers

Identifier	Type	State	Issuer
54693002	Other	DC	CAREFIRST DC
1670636001	Other	-	CIGNA
52970013	Other	MD	CAREFIRST MD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for David Barwell?

The National Provider Identifier (NPI) for David Barwell is 1649246000, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Barwell practice?

The practice location on file with NPPES is in Gaithersburg, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Bruce Knolmayer Orthopaedic Surgery Physician · Montgomry Village, MD NPI 1124020383 Monica Guillen Physical Therapist · Montgomery Village, MD NPI 1700974086 Amy Barrer Orthodontics and Dentofacial Orthopedics Dentistry · Gaithersburg, MD NPI 1376705731 Olympus Dental LLC Pediatric Dentistry · Gaithersburg, MD NPI 1114344843

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-10.