Brian L. Mahaffey, MD
Sports Medicine (Family Medicine) Physician · Ballwin, MO
Brian L. Mahaffey, MD is a sports medicine (family medicine) physician with a practice address in Ballwin, Missouri, and NPI 1306984505, issued on Feb 1, 2007. Check the license (Missouri 103424, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Brian L. Mahaffey
- Credential
- MD
- Primary taxonomy
- Sports Medicine (Family Medicine) Physician 207QS0010X
- License number
- 103424 MO
Self-reported in NPPES; status is on the state search - Practice location
- 15945 Clayton RD, Ballwin, MO 63011
- Phone
- (314) 251-1556
- Enumerated
- Feb 1, 2007
- Record last updated
- Aug 30, 2022
- Fax
- (636) 893-1362
- Medicaid IDs
- 208254235 MO
154946001 AR - Medicare enrollment
- Enrolled (PECOS I20050208000096); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest sports medicine (family medicine) physician records → All 57 in Missouri → Look up another NPI →
Also registered at 15945 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shanna Ingram, FNP-CFamily Nurse Practitioner1982451027
- James Ketchum, MDInternal Medicine Physician1386610376
Verify Brian L. Mahaffey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 103424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024
84 Medicare Part D claims for 51 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Methylprednisolone43 claims
- Diclofenac Sodium Er12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $20.09
1 payment: food and beverage; the largest payer was Vertex Pharmaceuticals Incorporated. The 1,218 providers of this specialty with any payment received $781.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic East CommunitiesBallwin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian L. Mahaffey among 57 sports medicine (family medicine) physician records in Missouri
Brian L. Mahaffey, MD is one of 57 sports medicine (family medicine) physician records with a practice address in Missouri. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 67% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated1993 · median 2011 among the 50 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Family Medicine) Physician providers in Missouri
There are 57 sports medicine (family medicine) physician records in Missouri.
All 57 in Missouri → Every provider in Ballwin → Sports Medicine (Family Medicine) Physician nationwide →
The 8 sports medicine (family medicine) physician records with the nearest ZIP codes
- Nicholas Greiner, D.O.Ballwin, MO 630111326200692
- Devin Willis, MDWildwood, MO 630401295175057
- Ben HeimosSaint Louis, MO 631031871115857
- William Mitchell, M.D.Saint Louis, MO 631041497958508
- Ha Hoang, D.O.Saint Louis, MO 631101376778076
- David Lee, MDSaint Louis, MO 631171114458023
- Larkin Wadsworth, MDSaint Louis, MO 631171851486575
- Steven Stahle, M.D.Saint Louis, MO 631221578672341
Common questions
What is Brian L. Mahaffey, MD's NPI number?
Brian L. Mahaffey, MD's National Provider Identifier (NPI) is 1306984505, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brian L. Mahaffey, MD located?
The NPPES record lists a practice address at 15945 Clayton RD, Ballwin, MO, 63011. Phone: (314) 251-1556. Providers update this record themselves, so call before visiting.
How can I verify Brian L. Mahaffey, MD's license?
NPPES lists Missouri license number 103424, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian L. Mahaffey, MD prescribe under Medicare Part D?
In 2024, Brian L. Mahaffey, MD had 84 Medicare Part D claims for 51 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.