Peter Kallas, M.D.
Hospitalist Physician · Chicago, IL
Peter Kallas, M.D. is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1760425797, issued on Jun 14, 2006. Check the license (Illinois 036-091104, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Peter Kallas
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036-091104 IL
Self-reported in NPPES; status is on the state search - Practice location
- 201 E Huron St, Chicago, IL 60611
- Phone
- (312) 238-7186
- Enumerated
- Jun 14, 2006
- Record last updated
- Feb 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 036-091104 IL
- Medicare enrollment
- Enrolled (PECOS I20050909000795); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 201 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Andrus, DDSOral and Maxillofacial Surgery (Dentist)1689797243
- Catherine Angle, APHPediatric Nurse Practitioner1578752812
- Mitesh Badiwala, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1316280035
- Sheila Barton, RNRegistered Nurse1548447527
- Helen Bedross, RNRegistered Nurse1700063799
- Senta Berggruen, MDDiagnostic Radiology Physician1891749776
Verify Peter Kallas 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 036-091104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average hospitalist physician in 2024
32 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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 FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Kallas among 1,535 hospitalist physician records in Illinois
Peter Kallas, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 88% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1993 · median 2013 among the 1,339 with a school on file
- Record last updated2019 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Abby Agulnek, DOChicago, IL 606111689662942
- Jeffrey Barsuk, MDChicago, IL 606111528031333
- Anjali Desai, M.D.Chicago, IL 606111730126004
- Vinnette Forde, MDChicago, IL 606111033174164
- Michael Kornfeld, MDChicago, IL 606111538198833
- Nita Kulkarni, MDChicago, IL 606111790717460
- Matthew Landler, MDChicago, IL 606111740212398
- Joseph Munsayac, MDChicago, IL 606111366472433
Common questions
What is Peter Kallas, M.D.'s NPI number?
Peter Kallas, M.D.'s National Provider Identifier (NPI) is 1760425797, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Kallas, M.D. located?
The NPPES record lists a practice address at 201 E Huron St, Chicago, IL, 60611. Phone: (312) 238-7186. Providers update this record themselves, so call before visiting.
How can I verify Peter Kallas, M.D.'s license?
NPPES lists Illinois license number 036-091104, 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 Peter Kallas, M.D. prescribe under Medicare Part D?
In 2024, Peter Kallas, M.D. had 32 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Peter Kallas, 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.