Caroline Kalember, M.D.
Internal Medicine Physician · Northbrook, IL
Caroline Kalember, M.D. is an internal medicine physician with a practice address in Northbrook, Illinois, and NPI 1487987509, issued on Sep 8, 2009. Check the license (Illinois 125055914, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Caroline Kalember
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125055914 IL
Self-reported in NPPES; status is on the state search - Practice location
- 400 Skokie Blvd. Suite 405, Northbrook, IL 60062
- Phone
- (224) 215-8585
- Enumerated
- Sep 8, 2009
- Record last updated
- Jul 28, 2026
- Fax
- (224) 296-1951
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Caroline Kalember 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 125055914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,831 Medicare Part D claims for 164 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Atorvastatin Calcium120 claims
- Losartan Potassium80 claims
- Levothyroxine Sodium73 claims
- Metoprolol Succinate46 claims
- Escitalopram Oxalate44 claims
- Omeprazole39 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).
Caroline Kalember among 7,238 internal medicine physician records in Illinois
Caroline Kalember, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 49% of them.
- NPI issued2009 · 49% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 internal medicine physician records list a practice address in Northbrook
They are 26 of the 2,226 NPPES records with a practice address in Northbrook, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Northbrook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nadeem Akhter, M.D.Northbrook, IL 600621235176074
- Lynne Belsky, MDNorthbrook, IL 600621265499438
- Gene Chiao, MDNorthbrook, IL 600621699733188
- Boris Gurevich, M.D.Northbrook, IL 600621902877129
- Richard Katz, MDNorthbrook, IL 600621205924230
- Cori Levinson, M.D.Northbrook, IL 600621356385389
- Meena Malhotra, MDNorthbrook, IL 600621821191958
- Richard Miller, M.D.Northbrook, IL 600621811933195
Common questions
What is Caroline Kalember, M.D.'s NPI number?
Caroline Kalember, M.D.'s National Provider Identifier (NPI) is 1487987509, issued on Sep 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Kalember, M.D. located?
The NPPES record lists a practice address at 400 Skokie Blvd. Suite 405, Northbrook, IL, 60062. Phone: (224) 215-8585. Providers update this record themselves, so call before visiting.
How can I verify Caroline Kalember, M.D.'s license?
NPPES lists Illinois license number 125055914, 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 Caroline Kalember, M.D. prescribe under Medicare Part D?
In 2024, Caroline Kalember, M.D. had 1,831 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Caroline Kalember, 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.