Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Barbara Martin Tatum, D.D.S.

Pediatric Dentistry in Columbia, MD · enumerated 2007.

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

National Provider Identifier

1326257650

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Registry record

Entity type Individual (Type 1)

Name Dr. Barbara Martin Tatum

Credential D.D.S.

Sex Female

Practice address 10630 Little Patuxent Pkwy, Suite 100, Columbia, MD, 21044

Phone (410) 730-8330

Fax (410) 992-4095

Enumeration date May 22, 2007

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

1223P0221X Pediatric Dentistry Dental Providers · License 6329 (MD) Primary

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License 6329 (MD) Secondary

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 specialty is Barbara Tatum?

Barbara Tatum is registered in NPPES with the primary taxonomy of Pediatric Dentistry. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.