Dr. Brandon Ward Koser, DO
- Medicare services, 2024
- 95
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 105
- Hospital affiliations
- 3
- Industry payments
- $52
- Practice address
- 701 N First St, Springfield, IL 62702
- Practice phone
- Call (217) 788-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koser's professional email, personal email and mobile number
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Dr. Brandon Ward Koser is an emergency medicine physician in Springfield, Illinois
Dr. Koser practices at Springfield Memorial Hospital in Springfield, Illinois, part of Memorial Health System.
Dr. Koser's NPI, 1245751254, was assigned on June 29, 2017. Dr. Koser holds Illinois license 125071556.
- NPI
- 1245751254NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729337050
- NPI enumeration date
- June 29, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 788-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brandon Ward Koser practices at Springfield Memorial Hospital in Springfield, Illinois
Dr. Koser's primary practice is Springfield Memorial Hospital, at 701 N First St, Springfield, IL 62702 in Sangamon County. The practice phone is (217) 788-3000.
- Springfield Memorial Hospital701 N First St, Springfield, IL 62702 · Sangamon CountyPhone(217) 788-3000
Source: Dmand AI Affiliation Data
Dr. Brandon Ward Koser is affiliated with 3 sites of care and 2 medical groups
Dr. Koser's primary practice is Springfield Memorial Hospital in Springfield, Illinois, part of Memorial Health System. Dr. Koser is also affiliated with Decatur Memorial Hospital. The medical group on file is Mid-America Emergency Physicians. Dmand AI also links Dr. Koser to 1 more hospital and 1 medical group, 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. Brandon Ward Koser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koser practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Springfield Memorial Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Memorial Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brandon Ward Koser is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Koser's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Koser is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Koser
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. Brandon Ward Koser billed Medicare for 95 services in 2024
CMS data shows 95 Medicare services from Dr. Koser across 3 procedure codes in 2024, for 101 Medicare patients. Medicare paid $11,012 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Koser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2922024: 9567%
Dr. Koser compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Koser
- Illinois median
- Medicare services
- 95vs 27465% below
- Medicare patients
- 101vs 27363% below
- Part D claims
- 37vs 4518% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Koser'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brandon Ward Koser treated 101 Medicare patients in 2024, average age 73
CMS counts 101 Medicare patients who saw Dr. Koser in 2024. The largest group is 75 to 84, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.19, 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. Koser's median patient age at 55, with 58% women.
Dr. Koser's Medicare patients by age, 2024
Dr. Koser's Medicare patients by sex, 2024
- Women5554%
- Men4646%
Chronic conditions among Dr. Koser's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Anxiety50%
- Ischemic heart disease50%
- Diabetes49%
- Heart failure42%
- COPD41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Koser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brandon Ward Koser wrote 105 Medicare Part D claims in 2024
In 2024, Dr. Koser wrote 105 Medicare Part D claims for 77 patients. 91% of them were for generic drugs. CMS names the drug for 37 of them, across 3 drugs with 11 or more claims each, at $186 in total drug cost. In 2023, CMS named 135 claims across 8 drugs.
Dr. Koser's Part D claims by kind of drug, 2024
- Generic96 claims91%
- Brand-name and other9 claims9%
Dr. Koser'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. Koser's Part D claims, 2024
- Antibiotics53%56 of 105 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: 1352024: 3773%
Drugs named by CMS: 3 in 2024, 8 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
How Dr. Brandon Ward Koser takes part in Medicare
Dr. Koser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brandon Ward Koser received $52 in industry payments from 2019 to 2020
CMS Open Payments shows 3 general payments to Dr. Koser from 3 drug and device companies from 2019 to 2020. Food and beverage make up the largest share, 52% of the total. Instrumentation Laboratory Company paid the most, $25.
General payments to Dr. Koser by program year, 2019 to 2020
General payments to Dr. Koser by kind, 2019 to 2020
- Food and beverage$2752%
- Speaker and faculty fees$2548%
Companies that paid Dr. Koser the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brandon Ward Koser'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Brandon Ward Koser
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. Brandon Ward Koser's NPI number?
Dr. Brandon Ward Koser's NPI number is 1245751254. It was assigned on June 29, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Brandon Ward Koser?
Dr. Brandon Ward Koser is an emergency medicine physician in Springfield, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Brandon Ward Koser practice?
Dr. Koser practices at 701 N First St, Springfield, IL 62702. Dr. Koser's primary practice is Springfield Memorial Hospital in Springfield, Illinois, part of Memorial Health System. Dmand AI also links Dr. Koser to 1 hospital and 1 medical group.
What is Dr. Brandon Ward Koser's office phone number?
The practice phone on file for Dr. Koser is (217) 788-3000.
What is Dr. Brandon Ward Koser's medical license number?
Dr. Koser holds Illinois license 125071556.
Which hospitals is Dr. Brandon Ward Koser affiliated with?
Dr. Koser practices at Springfield Memorial Hospital in Springfield, Illinois. Dr. Koser is also affiliated with Decatur Memorial Hospital. Dmand AI links Dr. Koser to 1 more hospital.
What medical group is Dr. Brandon Ward Koser part of?
Dr. Koser is linked to Mid-America Emergency Physicians. Dmand AI links Dr. Koser to 1 more medical group.
Does Dr. Brandon Ward Koser accept Medicare?
Yes. CMS data shows Dr. Koser billed Medicare for 95 services in 2024, and Dr. Koser accepts Medicare assignment.
How many Medicare patients does Dr. Brandon Ward Koser see?
CMS counts 101 Medicare patients who saw Dr. Koser in 2024, with an average age of 73.
What services does Dr. Brandon Ward Koser bill to Medicare?
In 2024, Dr. Koser's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
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What drugs does Dr. Brandon Ward Koser prescribe most?
In 2024 Medicare Part D data, Dr. Koser's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Amoxicillin-Clavulanate Potass.
Has Dr. Brandon Ward Koser received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Koser from 3 companies from 2019 to 2020. The largest total came from Instrumentation Laboratory Company.
How long has Dr. Brandon Ward Koser been practicing?
Dr. Koser graduated from medical school in 2017, 9 years ago.
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