Ronald J. Kallen, MD
Pediatric Nephrology Physician · Chicago, IL
Ronald J. Kallen, MD is a pediatric nephrology physician with a practice address in Chicago, Illinois, and NPI 1245283647, issued on May 18, 2006. Check the license (Illinois 03643026, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ronald J. Kallen
- Credential
- MD
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License number
- 03643026 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2300 N Childrens Plz, Chicago, IL 60614
- Phone
- (847) 433-3345
- Enumerated
- May 18, 2006
- Record last updated
- Dec 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (847) 433-4426
- Medicaid ID
- 036043026 IL
- Entity
- Type 1 · individual
8 nearest pediatric nephrology physician records → All 42 in Illinois → Look up another NPI →
Also registered at 2300 N Childrens Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lina Abujamra, MDPediatric Emergency Medicine (Emergency Medicine) Physician1891743175
- Rishi Agrawal, M.D.Pediatrics Physician1083608038
- Mohammad Akhtar, M.D.Pediatric Critical Care Medicine Physician1942294897
- Tord Alden, MDNeurological Surgery Physician1053307215
- Farah Ali, M.D.Pediatric Nephrology Physician1841493681
- Maysan Alshaar, M.D.Pediatrics Physician1003800954
Verify Ronald J. Kallen 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 03643026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average pediatric nephrology physician in 2024
21 Medicare Part D claims, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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).
Ronald J. Kallen among 42 pediatric nephrology physician records in Illinois
Ronald J. Kallen, MD is one of 42 pediatric nephrology physician records with a practice address in Illinois. 50% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 69% newer
- In a Medicare fileYes · 50% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2010 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0210X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nephrology Physician providers in Illinois
There are 42 pediatric nephrology physician records in Illinois.
All 42 in Illinois → Every provider in Chicago → Pediatric Nephrology Physician nationwide →
The 8 pediatric nephrology physician records with the nearest ZIP codes
- Farah Ali, M.D.Chicago, IL 606141841493681
- Aviva Goldberg, MDChicago, IL 606141659330561
- Sara Jandeska, M.D.Chicago, IL 606141316146392
- Farahnak Assadi, M.D.Chicago, IL 606121639100019
- Kimberly Czech, MDChicago, IL 606121245447416
- Sonia Krishnan, M.D.Chicago, IL 606121164665808
- Shihtien Wang, M.D.Chicago, IL 606121548383656
- Carlos Becerril Romero, MD, MSChicago, IL 606111497243521
Common questions
What is Ronald J. Kallen, MD's NPI number?
Ronald J. Kallen, MD's National Provider Identifier (NPI) is 1245283647, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald J. Kallen, MD located?
The NPPES record lists a practice address at 2300 N Childrens Plz, Chicago, IL, 60614. Phone: (847) 433-3345. Providers update this record themselves, so call before visiting.
How can I verify Ronald J. Kallen, MD's license?
NPPES lists Illinois license number 03643026, 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 Ronald J. Kallen, MD prescribe under Medicare Part D?
In 2024, Ronald J. Kallen, MD had 21 Medicare Part D claims; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.
What is Ronald J. Kallen, MD'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.