Mark L. Vandewalker, MD
Listed as an allergist, with 2 practice addresses in Jefferson City and Columbia, Missouri.
Practice locations 2
PSF PLLC
1233 Jefferson St
Jefferson City, MO 65109PSF PLLC
601 W Nifong Blvd, Suite 2B
Columbia, MO 65203
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- Washington University School of Medicine, graduated 1974 (Medicare records)
- Registry record
- Last updated October 2007
- NPI
- 1386833358 (national provider registry)
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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors