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

Dr. Harrison David Lancaster, MD

Individual provider Internal Medicine Physician · NPI 1902541253

Dr. Harrison David Lancaster, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from University of South Carolina School of Medicine, Greenville in 2022, 4 years ago. Works from 2 locations. Licensed in Missouri.

Years since qualifying
4
Trained at
University of South Carolina School of Medicine, Greenville
Licensed in
MO
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Barnes Jewish Hospital Plz Div Im General Med
Saint Louis, MO 63110-1003
Phone: (314) 747-3000
Fax: (314) 996-8436
Show map & directions

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

Additional practice locations (1)

  • 915 N Grand Blvd, Saint Louis, MO 63106-1621 — (314) 652-4100

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2025010768 (MO)

Record details

NPI number1902541253
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2022
Last updated in NPPESSeptember 18, 2025
Certification dateSeptember 18, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE, GREENVILLE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Saint Louis