Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Graham Michael Dersley, D.D.S., M.S.

Prosthodontics in Burtonsville, MD · enumerated 2008.

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

National Provider Identifier

1427229780

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Registry record

Entity type Individual (Type 1)

Name Dr. Graham Michael Dersley

Credential D.D.S., M.S.

Sex Male

Practice address 3905 National Dr, Suite 260, Burtonsville, MD, 20866

Phone (301) 421-1996

Fax (240) 455-4922

Enumeration date Mar 14, 2008

Last updated in NPPES Jan 9, 2009

Taxonomy & licenses

1223P0700X Prosthodontics Dental Providers · License 14033 (MD) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

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 Graham Dersley?

The National Provider Identifier (NPI) for Graham Dersley is 1427229780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Graham Dersley practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-09.