Brian Aaron Weisenberg, M.D.
Emergency Medicine Physician · Saint Charles, MO
Brian Aaron Weisenberg, M.D. is an emergency medicine physician with a practice address in Saint Charles, Missouri, and NPI 1093831042, issued on Mar 21, 2007. Check the license (Missouri 2008002490, 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 Aaron Weisenberg
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 2008002490 MO
Self-reported in NPPES; status is on the state search - Practice location
- 300 1St Capitol Dr, Saint Charles, MO 63301
- Phone
- (636) 947-5111
- Enumerated
- Mar 21, 2007
- Record last updated
- Jun 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 300 1St Capitol Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Abbott, M.D.Emergency Medicine Physician1144269267
- Mohamad Albsheri, MDInternal Medicine Physician1447508874
- Nicole Allen, CRNACertified Registered Nurse Anesthetist1487993663
- Joseph Attewell, M.D.Critical Care Medicine (Internal Medicine) Physician1962456657
- Ellen Atwood, PA-CPhysician Assistant1487104303
- Christina Azzam, CRNACertified Registered Nurse Anesthetist1487074357
Verify Brian Aaron Weisenberg 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 2008002490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average emergency medicine physician in 2024
198 Medicare Part D claims for 145 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 64 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen39 claims
- Ondansetron Odt20 claims
- Tramadol Hcl16 claims
- Prednisone14 claims
- Amoxicillin-Clavulanate Potass13 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.
Brian Aaron Weisenberg among 1,405 emergency medicine physician records in Missouri
Brian Aaron Weisenberg, M.D. is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2019 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Missouri
There are 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Saint Charles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Abbott, M.D.Saint Charles, MO 633011144269267
- Bradley Gregg, M.D.Saint Charles, MO 633011871549626
- Ryan Hunsel, M.D.Saint Charles, MO 633011730352832
- Anthony Jennings, M.D.Saint Charles, MO 633011073568168
- Kimberly Perry, D.O.Saint Charles, MO 633011578500039
- Janene Sparks, DOSaint Charles, MO 633011275578874
- John Sparks, DOSaint Charles, MO 633011851329569
- Ashalatha Tatineny, M.D.Saint Charles, MO 633011760435648
Common questions
What is Brian Aaron Weisenberg, M.D.'s NPI number?
Brian Aaron Weisenberg, M.D.'s National Provider Identifier (NPI) is 1093831042, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brian Aaron Weisenberg, M.D. located?
The NPPES record lists a practice address at 300 1St Capitol Dr, Saint Charles, MO, 63301. Phone: (636) 947-5111. Providers update this record themselves, so call before visiting.
How can I verify Brian Aaron Weisenberg, M.D.'s license?
NPPES lists Missouri license number 2008002490, 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 Aaron Weisenberg, M.D. prescribe under Medicare Part D?
In 2024, Brian Aaron Weisenberg, M.D. had 198 Medicare Part D claims for 145 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.