Brian Kostuk, D.O.
Emergency Medicine Physician · Woodstock, IL
Brian Kostuk, D.O. is an emergency medicine physician with a practice address in Woodstock, Illinois, and NPI 1255560785, issued on Jul 6, 2009. Check the license (Illinois 036123511, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Brian Kostuk
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036123511 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3707 Doty RD, Woodstock, IL 60098
- Phone
- (815) 338-6600
- Enumerated
- Jul 6, 2009
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20100109000397); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 3707 Doty RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Iftikhar Khan, MDEmergency Medicine Physician1679510986
- Clare Legursky, M.D.Family Medicine Physician1417059007
- David Martinez, D.O.Family Medicine Physician1245211259
- Patricia Nofzinger, M.D.Pediatrics Physician1457319261
- Bolatito Ogunsanwo, APRN, CNPNurse Practitioner1619747219
Verify Brian Kostuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036123511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average emergency medicine physician in 2024
247 Medicare Part D claims for 155 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Ondansetron Odt42 claims
- Prednisone24 claims
- Hydrocodone-Acetaminophen18 claims
- Cefadroxil15 claims
- Tramadol Hcl15 claims
- Diclofenac Sodium12 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationHuntley, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Kostuk among 3,291 emergency medicine physician records in Illinois
Brian Kostuk, D.O. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 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 2009, is newer than 44% of them.
- NPI issued2009 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2006 · median 2012 among the 1,867 with a school on file
- Record last updated2022 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 emergency medicine physician records list a practice address in Woodstock
They are 9 of the 511 NPPES records with a practice address in Woodstock, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Woodstock → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joellen Channon, M.D.Woodstock, IL 600981952531139
- Apiwat Ford, DOWoodstock, IL 600981053319822
- Lela Iduna, M.D.Woodstock, IL 600981457487597
- Iftikhar Khan, MDWoodstock, IL 600981679510986
- Randhirji Odedra, M.D.Woodstock, IL 600981962613885
- Rebecca Parker, MDWoodstock, IL 600981255373494
- Thomas Peeters, MDWoodstock, IL 600981891794681
- Archana Reddy, MDWoodstock, IL 600981629236047
Common questions
What is Brian Kostuk, D.O.'s NPI number?
Brian Kostuk, D.O.'s National Provider Identifier (NPI) is 1255560785, issued on Jul 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Brian Kostuk, D.O. located?
The NPPES record lists a practice address at 3707 Doty RD, Woodstock, IL, 60098. Phone: (815) 338-6600. Providers update this record themselves, so call before visiting.
How can I verify Brian Kostuk, D.O.'s license?
NPPES lists Illinois license number 036123511, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Kostuk, D.O. prescribe under Medicare Part D?
In 2024, Brian Kostuk, D.O. had 247 Medicare Part D claims for 155 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Brian Kostuk, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.