Dr. Brian Klostermann, MD
- Medicare services, 2024
- 52
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 9,711
- Hospital affiliations
- 5
- Industry payments
- $677
- Practice address
- 9401 Holy Cross Ln, Breese, IL 62230
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clinton County Rural Health - HOPD
Acute Care Hospital outpatient department · Breese, Illinois
Find Dr. Klostermann'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 Klostermann is a family medicine physician in Breese, Illinois
Dr. Klostermann practices at Clinton County Rural Health - HOPD in Breese, Illinois.
Dr. Klostermann's NPI, 1144457169, was assigned on June 17, 2009. Dr. Klostermann graduated from Southern Illinois University School of Medicine in 2009. Dr. Klostermann holds Illinois license 036129725.
- NPI
- 1144457169NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517106354
- NPI enumeration date
- June 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian Klostermann practices at Clinton County Rural Health - HOPD in Breese, Illinois
Dr. Klostermann's primary practice is Clinton County Rural Health - HOPD, at 9401 Holy Cross Ln, Breese, IL 62230.
- Clinton County Rural Health - HOPD9401 Holy Cross Ln, Breese, IL 62230
Source: Dmand AI Affiliation Data
Dr. Brian Klostermann is affiliated with 11 sites of care and 3 medical groups
Dr. Klostermann's primary practice is Clinton County Rural Health - HOPD in Breese, Illinois. Dr. Klostermann is also affiliated with HSHS St. Joseph's Hospital Breese. The medical group on file is HSHS Medical Group. Dmand AI also links Dr. Klostermann to 4 more hospitals, 2 home health agencies, 2 rural health clinics, 2 medical groups and 1 hospice, each named with a free account. Dr. Klostermann's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Brian Klostermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klostermann practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clinton County Rural Health - HOPD | Available with a free account |
| +10 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian Klostermann is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Klostermann's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Klostermann is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Klostermann
Counts of family 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 Klostermann billed Medicare for 52 services in 2024
CMS data shows 52 Medicare services from Dr. Klostermann across 2 procedure codes in 2024, for 35 Medicare patients. Medicare paid $472 for them. Every service was in an office.
Dr. Klostermann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 02024: 26
- Surgery
- 2023: 212024: 2624%
Dr. Klostermann compared with the Illinois median for family medicine physicians, 2024
- Dr. Klostermann
- Illinois median
- Medicare services
- 52vs 35685% below
- Medicare patients
- 35vs 16078% below
- Part D claims
- 8,912vs 61814.4 times
Medians across 5,015 family medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Klostermann'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. Brian Klostermann treated 35 Medicare patients in 2024, average age 74
CMS counts 35 Medicare patients who saw Dr. Klostermann in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klostermann's median patient age at 70, with 35% women.
Dr. Klostermann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Klostermann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes51%
- Arthritis34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klostermann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian Klostermann wrote 9,711 Medicare Part D claims in 2024
In 2024, Dr. Klostermann wrote 9,711 Medicare Part D claims for 723 patients. 86% of them were for generic drugs. CMS names the drug for 8,912 of them, across 129 drugs with 11 or more claims each, at $771,348 in total drug cost. In 2023, CMS named 7,780 claims across 121 drugs.
Dr. Klostermann's Part D claims by kind of drug, 2024
- Generic8,374 claims86%
- Brand-name1,260 claims13%
- Other77 claims1%
Dr. Klostermann'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. Klostermann's Part D claims, 2024
- Opioids2%237 of 9,711 claims
- Antibiotics1%140 of 9,711 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: 7,7802024: 8,91215%
Drugs named by CMS: 129 in 2024, 121 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. Brian Klostermann takes part in Medicare
Dr. Klostermann 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. Brian Klostermann received $677 in industry payments from 2018 to 2025
CMS Open Payments shows 33 general payments to Dr. Klostermann from 13 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 95% of the total. Eli Lilly and Company paid the most, $127.
General payments to Dr. Klostermann by program year, 2018 to 2025
General payments to Dr. Klostermann by kind, 2018 to 2025
- Food and beverage$64595%
- Debt forgiveness$335%
Companies that paid Dr. Klostermann the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian Klostermann graduated from Southern Illinois University School of Medicine
Dr. Klostermann graduated from Southern Illinois University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian Klostermann'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 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Klostermann
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 Klostermann's NPI number?
Dr. Brian Klostermann's NPI number is 1144457169. It was assigned on June 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian Klostermann?
Dr. Brian Klostermann is a family medicine physician in Breese, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Brian Klostermann practice?
Dr. Klostermann practices at 9401 Holy Cross Ln, Breese, IL 62230. Dr. Klostermann's primary practice is Clinton County Rural Health - HOPD in Breese, Illinois. Dmand AI also links Dr. Klostermann to 4 hospitals, 2 home health agencies, 2 rural health clinics, 2 medical groups and 1 hospice.
What is Dr. Brian Klostermann's medical license number?
Dr. Klostermann holds Illinois license 036129725.
Which hospitals is Dr. Brian Klostermann affiliated with?
Dr. Klostermann is affiliated with HSHS St. Joseph's Hospital Breese. Dmand AI links Dr. Klostermann to 4 more hospitals.
What medical group is Dr. Brian Klostermann part of?
Dr. Klostermann is linked to HSHS Medical Group. Dmand AI links Dr. Klostermann to 2 more medical groups.
Does Dr. Brian Klostermann accept Medicare?
Yes. CMS data shows Dr. Klostermann billed Medicare for 52 services in 2024, and Dr. Klostermann accepts Medicare assignment.
How many Medicare patients does Dr. Brian Klostermann see?
CMS counts 35 Medicare patients who saw Dr. Klostermann in 2024, with an average age of 74.
What services does Dr. Brian Klostermann bill to Medicare?
In 2024, Dr. Klostermann's most billed Medicare services were surgery: heart and blood vessels (36415) and lab and pathology test (83036).
Where did Dr. Brian Klostermann go to medical school?
Dr. Klostermann graduated from Southern Illinois University School of Medicine in 2009.
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What drugs does Dr. Brian Klostermann prescribe most?
In 2024 Medicare Part D data, Dr. Klostermann's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. Brian Klostermann received payments from drug or device companies?
CMS Open Payments shows $677 in general payments to Dr. Klostermann from 13 companies from 2018 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Brian Klostermann been practicing?
Dr. Klostermann graduated from medical school in 2009, 17 years ago.
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