Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark Vincent Williams, MD

Individual provider Internal Medicine Physician · NPI 1962425819

Dr. Mark Vincent Williams, MD is an Internal Medicine Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Barnes Jewish Hospital Plz Div Im Hospitalist
Saint Louis, MO 63110-1003
Phone: (314) 362-1700
Fax: (314) 362-9878
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2021045476 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2021045476 (MO)

Record details

NPI number1962425819
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESApril 17, 2025

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