Dr. Brian Aaron Weisenberg, MD
- Medicare services, 2024
- 532
- Medicare patients, 2024
- 420
- Part D claims, 2024
- 198
- Hospital affiliations
- 4
- Industry payments
- $115
- Practice address
- 100 Medical Plaza, Lake Saint Louis, MO 63367
- Practice phone
- Call (636) 625-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Weisenberg's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Brian Aaron Weisenberg is an emergency medicine physician in Lake Saint Louis, Missouri
Dr. Weisenberg practices at SSM Health St. Joseph Hospital - Lake Saint Louis in Lake Saint Louis, Missouri, part of SSM Health Care.
Dr. Weisenberg's NPI, 1093831042, was assigned on March 21, 2007. Dr. Weisenberg holds Missouri license 2008002490.
- NPI
- 1093831042NPI Registry (opens in a new tab)
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Practice phone
- (636) 625-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Brian Aaron Weisenberg practices at SSM Health St. Joseph Hospital - Lake Saint Louis in Lake Saint Louis, Missouri
Dr. Weisenberg's primary practice is SSM Health St. Joseph Hospital - Lake Saint Louis, at 100 Medical Plaza, Lake Saint Louis, MO 63367 in St. Charles County. The practice phone is (636) 625-5200.
- SSM Health St. Joseph Hospital - Lake Saint Louis100 Medical Plaza, Lake Saint Louis, MO 63367 · St. Charles CountyPhone(636) 625-5200
Source: Dmand AI Affiliation Data
Dr. Brian Aaron Weisenberg is affiliated with 4 sites of care and 4 medical groups
Dr. Weisenberg's primary practice is SSM Health St. Joseph Hospital - Lake Saint Louis in Lake Saint Louis, Missouri, part of SSM Health Care. Dr. Weisenberg is also affiliated with Mercy Hospital South. The medical group on file is Vituity. Dmand AI also links Dr. Weisenberg to 2 more hospitals and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian Aaron Weisenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weisenberg practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Joseph Hospital - Lake Saint Louis | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian Aaron Weisenberg is one of 1,063 emergency medicine physicians in Missouri
Emergency medicine is Dr. Weisenberg's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Weisenberg is licensed in Missouri.
Specialties and state licenses
- Emergency medicine, MissouriPrimary
Emergency medicine physicians near Dr. Weisenberg
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brian Aaron Weisenberg billed Medicare for 532 services in 2024
CMS data shows 532 Medicare services from Dr. Weisenberg across 4 procedure codes in 2024, for 420 Medicare patients. Medicare paid $61,880 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Weisenberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4872024: 4537%
- Tests and treatments
- 2023: 112024: 79618%
Dr. Weisenberg compared with the Missouri median for emergency medicine physicians, 2024
- Dr. Weisenberg
- Missouri median
- Medicare services
- 532vs 2522.1 times
- Medicare patients
- 420vs 26260% above
- Part D claims
- 102vs 6948% above
Medians across 1,092 emergency medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Weisenberg's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weisenberg and other emergency medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian Aaron Weisenberg treated 420 Medicare patients in 2024, average age 77
CMS counts 420 Medicare patients who saw Dr. Weisenberg in 2024. The largest group is 75 to 84, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.35, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Weisenberg's median patient age at 72, with 55% women.
Dr. Weisenberg's Medicare patients by age, 2024
Dr. Weisenberg's Medicare patients by sex, 2024
- Women24157%
- Men17943%
Chronic conditions among Dr. Weisenberg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease51%
- Heart failure49%
- Ischemic heart disease48%
- Mood disorders48%
- Anxiety45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weisenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian Aaron Weisenberg wrote 198 Medicare Part D claims in 2024
In 2024, Dr. Weisenberg wrote 198 Medicare Part D claims for 145 patients. 96% of them were for generic drugs. CMS names the drug for 102 of them, across 5 drugs with 11 or more claims each, at $449 in total drug cost. In 2023, CMS named 69 claims across 4 drugs.
Dr. Weisenberg's Part D claims by kind of drug, 2024
- Generic191 claims96%
- Brand-name and other7 claims4%
Dr. Weisenberg's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Weisenberg's Part D claims, 2024
- Opioids32%64 of 198 claims
- Antibiotics21%41 of 198 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 692024: 10248%
Drugs named by CMS: 5 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Brian Aaron Weisenberg received $115 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Weisenberg from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $115.
Companies that paid Dr. Weisenberg the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brian Aaron Weisenberg's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brian Aaron Weisenberg
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brian Aaron Weisenberg's NPI number?
Dr. Brian Aaron Weisenberg's NPI number is 1093831042. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Aaron Weisenberg?
Dr. Brian Aaron Weisenberg is an emergency medicine physician in Lake Saint Louis, Missouri. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Brian Aaron Weisenberg practice?
Dr. Weisenberg practices at 100 Medical Plaza, Lake Saint Louis, MO 63367. Dr. Weisenberg's primary practice is SSM Health St. Joseph Hospital - Lake Saint Louis in Lake Saint Louis, Missouri, part of SSM Health Care. Dmand AI also links Dr. Weisenberg to 2 hospitals and 3 medical groups.
What is Dr. Brian Aaron Weisenberg's office phone number?
The practice phone on file for Dr. Weisenberg is (636) 625-5200.
What is Dr. Brian Aaron Weisenberg's medical license number?
Dr. Weisenberg holds Missouri license 2008002490.
Which hospitals is Dr. Brian Aaron Weisenberg affiliated with?
Dr. Weisenberg practices at SSM Health St. Joseph Hospital - Lake Saint Louis in Lake Saint Louis, Missouri. Dr. Weisenberg is also affiliated with Mercy Hospital South. Dmand AI links Dr. Weisenberg to 2 more hospitals.
What medical group is Dr. Brian Aaron Weisenberg part of?
Dr. Weisenberg is linked to Vituity. Dmand AI links Dr. Weisenberg to 3 more medical groups.
Does Dr. Brian Aaron Weisenberg accept Medicare?
Yes. CMS data shows Dr. Weisenberg billed Medicare for 532 services in 2024.
How many Medicare patients does Dr. Brian Aaron Weisenberg see?
CMS counts 420 Medicare patients who saw Dr. Weisenberg in 2024, with an average age of 77.
What services does Dr. Brian Aaron Weisenberg bill to Medicare?
In 2024, Dr. Weisenberg's most billed Medicare services were emergency department visit (99285), critical care (99291) and heart test or procedure (93042).
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What drugs does Dr. Brian Aaron Weisenberg prescribe most?
In 2024 Medicare Part D data, Dr. Weisenberg's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Tramadol HCl.
Has Dr. Brian Aaron Weisenberg received payments from drug or device companies?
CMS Open Payments shows $115 in general payments to Dr. Weisenberg from 1 company from 2016 to 2016. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Brian Aaron Weisenberg been practicing?
Dr. Weisenberg's NPI was assigned in 2007.
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