Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mcgregor T. Dennis Jr., D.M.D.

General Practice Dentistry in Moncks Corner, SC · enumerated 2005.

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

National Provider Identifier

1376546374

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Registry record

Entity type Individual (Type 1)

Name Dr. Mcgregor T. Dennis Jr.

Credential D.M.D.

Sex Male

Practice address 219 W Main St, Moncks Corner, SC, 29461

Phone (843) 761-7121

Fax (843) 761-7121

Enumeration date May 23, 2005

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 3103 (SC) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier	Type	State	Issuer
Z31038	Medicaid	SC	-

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 Mcgregor Dennis?

Mcgregor Dennis is registered in NPPES with the primary taxonomy of General Practice 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.