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

William V Walker, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1558300392

William V Walker, MD is a Critical Care Medicine (Internal Medicine) Physician in Saint Charles, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
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

300 1st Capitol Dr
Saint Charles, MO 63301-2844
Phone: (636) 947-5000
Fax: (636) 947-5090
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence R7N20 (MO)

Record details

NPI number1558300392
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESJuly 13, 2026
Mailing address1836 Lackland Hill Pkwy, Attn: Credentialing Office, Saint Louis, MO 63146-3572

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