Chinnammal C. Kandaswamy, M.D.
Internal Medicine Physician · Oak Lawn, IL
Chinnammal C. Kandaswamy, M.D. is an internal medicine physician with a practice address in Oak Lawn, Illinois, and NPI 1346260817, issued on Jul 20, 2006. Check the license (Illinois 036-110311, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Chinnammal C. Kandaswamy
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-110311 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH St Ste 3192H, Oak Lawn, IL 60453
- Phone
- (708) 684-5685
- Enumerated
- Jul 20, 2006
- Record last updated
- Mar 20, 2025
- Fax
- (708) 684-4712
- Medicare enrollment
- Enrolled (PECOS I20041028001014); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 4440 W 95TH St Ste 3192H
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chinnammal C. Kandaswamy 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 036-110311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
374 Medicare Part D claims for 168 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Pantoprazole Sodium44 claims
- Hydrocodone-Acetaminophen29 claims
- Prednisone15 claims
- Tramadol Hcl13 claims
- Warfarin Sodium13 claims
- Methenamine Hippurate12 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chinnammal C. Kandaswamy among 7,238 internal medicine physician records in Illinois
Chinnammal C. Kandaswamy, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 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).
173 internal medicine physician records list a practice address in Oak Lawn
They are 173 of the 2,993 NPPES records with a practice address in Oak Lawn, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Oak Lawn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Chalupczak, M.D.Oak Lawn, IL 604531679505051
- Anupam Goel, MDOak Lawn, IL 604531013957570
- Joseph Kowalczyk, MDOak Lawn, IL 604531831166255
- Vinay Kumar, MDOak Lawn, IL 604531639138217
- Eugene Muzykansky, MDOak Lawn, IL 604531457328874
- Win Myint, MDOak Lawn, IL 604531063412062
- Robert Raines, MDOak Lawn, IL 604531164499596
- Mark Reiter, M.D.Oak Lawn, IL 604531902864408
Common questions
What is Chinnammal C. Kandaswamy, M.D.'s NPI number?
Chinnammal C. Kandaswamy, M.D.'s National Provider Identifier (NPI) is 1346260817, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chinnammal C. Kandaswamy, M.D. located?
The NPPES record lists a practice address at 4440 W 95TH St Ste 3192H, Oak Lawn, IL, 60453. Phone: (708) 684-5685. Providers update this record themselves, so call before visiting.
How can I verify Chinnammal C. Kandaswamy, M.D.'s license?
NPPES lists Illinois license number 036-110311, 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 Chinnammal C. Kandaswamy, M.D. prescribe under Medicare Part D?
In 2024, Chinnammal C. Kandaswamy, M.D. had 374 Medicare Part D claims for 168 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.