Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sydney Benita Sowell, D.D.S.

Dentist in Upper Marlboro, MD · enumerated 2007 · practices at Pgn Dental LLC.

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

National Provider Identifier

1154523090

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Registry record

Entity type Individual (Type 1)

Name Dr. Sydney Benita Sowell

Credential D.D.S.

Sex Female

Practice address 14420 Old Mill Rd Ste 101, Upper Marlboro, MD, 20772

Phone (301) 627-6568

Fax (301) 627-5526

Enumeration date Jun 4, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 06969 (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 Sydney Sowell?

The National Provider Identifier (NPI) for Sydney Sowell is 1154523090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sydney Sowell practice?

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

Other providers at this practice address

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Lynnette Chinnery Dentist · Upper Marlboro, MD NPI 1093917635 Maryam Nabavi General Practice Dentistry · Upper Marlboro, MD NPI 1770843120 Pgn Dental LLC Dental Clinic/Center · Upper Marlboro, MD NPI 1295279024

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.