Bretton Mularski, M.D.
Hospitalist Physician · Winfield, IL
Bretton Mularski, M.D. is a hospitalist physician with a practice address in Winfield, Illinois, and NPI 1346564317, issued on Mar 19, 2010. Check the license (Illinois 036132298, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Bretton Mularski
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036132298 IL
132298 IL
264098 NY
Self-reported in NPPES; status is on the state search - Practice location
- 25 N. Winfield RD, Winfield, IL 60190
- Phone
- (630) 933-4700
- Enumerated
- Mar 19, 2010
- Record last updated
- Jan 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (630) 933-4427
- Medicaid ID
- 036132298 IL
- Medicare enrollment
- Enrolled (PECOS I20130913000498); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 25 N. Winfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neil Agruss, M.D.Cardiovascular Disease Physician1780661736
- Debra Crystal, MSW, LCSWClinical Social Worker1255414801
- Joan Garvey, M.D.Hospitalist Physician1891989703
- Karey MakowskiFamily Nurse Practitioner1073860995
- Celina McIntyreNurse Practitioner1508295437
- Lauren Opila, PA-CSurgical Physician Assistant1841587045
Verify Bretton Mularski 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 036132298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average hospitalist physician in 2024
149 Medicare Part D claims for 81 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate20 claims
- Amoxicillin-Clavulanate Potass11 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
- Central Dupage Physician GroupWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
74 hospitalist physician records list a practice address in Winfield
They are 74 of the 778 NPPES records with a practice address in Winfield, and 1,535 hospitalist physician records in Illinois.
All 74 in Winfield → All 1,535 in Illinois → Every provider in Winfield →
Other hospitalist physician records in Illinois
- Hasan Abad, D.O.Chicago, IL1356872006
- Pamela Abadi, D.O.Winfield, IL1588820179
- Misha Abbasi, MDChicago, IL1770111635
- Hossam Abdel Aziz, MDWinfield, IL1114558145
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Maysa Abdul Hussain, MDChicago, IL1245417070
- Shabreen Abdul Sharief, MDHuntley, IL1992025118
- Eyad Abdulrazzak, MDEvanston, IL1710592589
- Syed Abdur-Rahman, MDDekalb, IL1538658729
Common questions
What is Bretton Mularski, M.D.'s NPI number?
Bretton Mularski, M.D.'s National Provider Identifier (NPI) is 1346564317, issued on Mar 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Bretton Mularski, M.D. located?
The NPPES record lists a practice address at 25 N. Winfield RD, Winfield, IL, 60190. Phone: (630) 933-4700. Providers update this record themselves, so call before visiting.
How can I verify Bretton Mularski, M.D.'s license?
NPPES lists Illinois license number 036132298, 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 Bretton Mularski, M.D. prescribe under Medicare Part D?
In 2024, Bretton Mularski, M.D. had 149 Medicare Part D claims for 81 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Bretton Mularski, M.D.'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.