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

Dr. Brian L. Mahaffey, MD

Individual provider Sports Medicine (Family Medicine) Physician · NPI 1306984505

Dr. Brian L. Mahaffey, MD is a Sports Medicine in Ballwin, Missouri. Graduated from University of Missouri, Columbia School of Medicine in 1993, 33 years ago. Practices with Mercy Clinic East Communities, a 573-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
33
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
MO
In the registry since
2007
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

15945 Clayton Rd Ste 210
Ballwin, MO 63011-2490
Phone: (314) 251-1556
Fax: (636) 893-1362
Show map & directions

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

Specialties & licences

Sports Medicine (Family Medicine) Physician (primary) Taxonomy 207QS0010X · Licence 103424 (MO)

Record details

NPI number1306984505
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 1, 2007
Last updated in NPPESAugust 30, 2022
Certification dateAugust 30, 2022

Medicare enrollment

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

Medicare specialtySPORTS MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Mercy Clinic East Communities — 573 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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