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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Marshall A Williams, D.D.S.

General Practice Dentistry in Birmingham, AL · enumerated 2006.

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

National Provider Identifier

1588722615

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Registry record

Entity type Individual (Type 1)
Name Dr. Marshall A Williams
Credential D.D.S.
Sex Male
Practice address Birmingham, AL, 35207
Phone (205) 324-5130
Fax (205) 324-5188
Enumeration date Dec 4, 2006
Last updated in NPPES Apr 29, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 3811 (AL) 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

Where does Marshall Williams practice?
The practice location on file with NPPES is in Birmingham, AL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marshall Williams?
The National Provider Identifier (NPI) for Marshall Williams is 1588722615, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-29.