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

William C Summers, MD

Individual provider Infectious Disease Physician · NPI 1265471650

William C Summers, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from University of Alabama School of Medicine in 1999, 27 years ago. Practices with Summers Healthcare LLC, a 2-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Missouri and Tennessee.

Years since qualifying
27
Trained at
University of Alabama School of Medicine
Licensed in
MO, TN
In the registry since
2006
Specialties on file
3
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

3915 Watson Rd Ste 202
Saint Louis, MO 63109-1251
Phone: (314) 244-3818
Fax: (888) 464-1108
Show map & directions

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

Additional practice locations (1)

  • 6188 Mackenzie Valley Ct, Saint Louis, MO 63123-3477 — (314) 686-9714

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2007010580 (MO)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 2007010580 (MO)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 39419 (TN)

Record details

NPI number1265471650
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2006
Last updated in NPPESMay 31, 2024
Certification dateSeptember 6, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Summers Healthcare Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Saint Louis