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

Dr. Mark Houston Hoofnagle, MD

Individual provider Surgical Critical Care Physician · NPI 1033344759

Dr. Mark Houston Hoofnagle, MD is a General Surgery in Saint Louis, Missouri. Graduated from University of Virginia School of Medicine in 2009, 17 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
17
Trained at
University of Virginia School of Medicine
Licensed in
MO
In the registry since
2009
Specialties on file
3
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 Surg Accs
Saint Louis, MO 63110-1003
Phone: (314) 362-5298
Fax: (888) 824-2176
Show map & directions

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

Specialties & licences

Surgical Critical Care Physician (primary) Taxonomy 2086S0102X · Licence 2018021845 (MO)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence 2018021845 (MO)
Surgery Physician Taxonomy 208600000X · Licence 2018021845 (MO)

Record details

NPI number1033344759
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2009
Last updated in NPPESJuly 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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