Kenneth R. Margules, MD
Rheumatology Physician · Libertyville, IL
Kenneth R. Margules, MD is a rheumatology physician with a practice address in Libertyville, Illinois, and NPI 1063403145, issued on Oct 28, 2005. Check the license (Illinois 036056714, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kenneth R. Margules
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 036056714 IL
Self-reported in NPPES; status is on the state search - Practice location
- 755 S Milwaukee Ave, Libertyville, IL 60048
- Phone
- (847) 367-0072
- Enumerated
- Oct 28, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (847) 367-0876
- Medicaid ID
- 036056714 IL
- Medicare enrollment
- Enrolled (PECOS I20101203000072); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1976
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 340 in Illinois → Look up another NPI →
Also registered at 755 S Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zayneb Bahrani, D.D.S.Dentist1811097660
- Maan Barhoum, M.D.Endocrinology, Diabetes & Metabolism Physician1114993979
- Oksana Boykovska, FNPPrimary Care Nurse Practitioner1255077236
- Thomas Burnstine, M.D.Neurology Physician1598759680
- Daniel GuerreroRegistered Nurse1790626471
- Rebecca Kennedy, MDOtolaryngology Physician1669582581
Verify Kenneth R. Margules 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 036056714Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average rheumatology physician in 2024
3,285 Medicare Part D claims for 187 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 686 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine266 claims
- Prednisone261 claims
- Hydrocodone-Acetaminophen228 claims
- Leflunomide192 claims
- Tramadol Hcl132 claims
- Hydroxychloroquine Sulfate125 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.
Industry payments in 2024: $449.73
12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Kenneth R. Margules among 340 rheumatology physician records in Illinois
Kenneth R. Margules, MD is one of 340 rheumatology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1976 · median 2003 among the 244 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Illinois
There are 340 rheumatology physician records in Illinois.
All 340 in Illinois → Every provider in Libertyville → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Ira Fenton, DOLibertyville, IL 600481477551752
- Umber Ahmad, DOMcHenry, IL 600501083957153
- Jacqueline Kannan, M.D.McHenry, IL 600501588058606
- Jennifer Capezio, MDLake Forest, IL 600451528023058
- Kathryn Kiehn, M.D.Lake Forest, IL 600451700834348
- Patrick Onkka, M.D.Lake Forest, IL 600451407235518
- Julia Sun, M.D.Lake Forest, IL 600451235589912
- Denise Verges, MDLake Forest, IL 600451053376681
Common questions
What is Kenneth R. Margules, MD's NPI number?
Kenneth R. Margules, MD's National Provider Identifier (NPI) is 1063403145, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth R. Margules, MD located?
The NPPES record lists a practice address at 755 S Milwaukee Ave, Libertyville, IL, 60048. Phone: (847) 367-0072. Providers update this record themselves, so call before visiting.
How can I verify Kenneth R. Margules, MD's license?
NPPES lists Illinois license number 036056714, 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 Kenneth R. Margules, MD prescribe under Medicare Part D?
In 2024, Kenneth R. Margules, MD had 3,285 Medicare Part D claims for 187 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
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.