Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marshall Verner Johnson, D.D.S., M.S.

Periodontics in Plano, TX · enumerated 2005.

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

National Provider Identifier

1659375095

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Registry record

Entity type Individual (Type 1)

Name Dr. Marshall Verner Johnson

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

Sex Male

Practice address 5800 Coit Rd, Ste 300, Plano, TX, 75023

Phone (972) 964-8833

Fax (972) 612-8291

Enumeration date Jun 13, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223P0300X Periodontics Dental Providers · License 1551212 (TX) 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.

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Frequently asked questions

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.

What specialty is Marshall Johnson?

Marshall Johnson is registered in NPPES with the primary taxonomy of Periodontics. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Gregory Grave General Practice Dentistry · Plano, TX NPI 1922002203 Elizabeth Jaynes Periodontics · Plano, TX NPI 1760486252 Small Witherspoon & Regan Endodontics Partnership LLC Endodontics · Plano, TX NPI 1801997168 Esther Tam Endodontics · Plano, TX NPI 1477614345 Williams and Sivie DDS LLP General Practice Dentistry · Plano, TX NPI 1619028628 Arthur Fields Oral and Maxillofacial Surgery (Dentist) · Plano, TX NPI 1679613491 Lynne Spencer Gerlach General Practice Dentistry · Plano, TX NPI 1285761551 Jeffrey C Jaynes DDS PA Dental Clinic/Center · Plano, TX NPI 1649304767

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