Preethi Sasikumar, M.D.
Internal Medicine Physician · Hinsdale, IL
Preethi Sasikumar, M.D. is an internal medicine physician with a practice address in Hinsdale, Illinois, and NPI 1780639062, issued on May 24, 2006. Check the license (Illinois 036113443, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Preethi Sasikumar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036113443 IL
Self-reported in NPPES; status is on the state search - Practice location
- 15 Salt Creek LN, Hinsdale, IL 60521
- Phone
- (630) 371-0133
- Enumerated
- May 24, 2006
- Record last updated
- May 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (630) 371-0138
- Medicaid ID
- 036113443 IL
- Medicare enrollment
- Enrolled (PECOS I20051012000110); 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 15 Salt Creek LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zainab Ali Baig, MDInternal Medicine Physician1013099555
- Steven Beltran, M.D.Internal Medicine Physician1417996265
- Julia Bennett, NURSE PRACTITIONERAdult Health Nurse Practitioner1932312089
- Muna Enshiwat-Salman, M.D.Internal Medicine Physician1184679110
- Felix Fonge, NPNurse Practitioner1386994812
- Hepsi Kalapala, M.D.Internal Medicine Physician1427003516
Verify Preethi Sasikumar 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 036113443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
32 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 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.
Bills Medicare through one group practice
- Inpatient Consultants OF Illinois, P.C.Hinsdale, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Preethi Sasikumar among 7,238 internal medicine physician records in Illinois
Preethi Sasikumar, 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
- Graduated2000 · median 2003 among the 3,580 with a school on file
- Record last updated2008 · 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).
36 internal medicine physician records list a practice address in Hinsdale
They are 36 of the 1,290 NPPES records with a practice address in Hinsdale, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Hinsdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Francis Agnoli, M.D.Hinsdale, IL 605211699752741
- Walter Arand, M.D.Hinsdale, IL 605211699752659
- Steven Beltran, M.D.Hinsdale, IL 605211417996265
- Robert Carbone, M.D.Hinsdale, IL 605211639167919
- Muna Enshiwat-Salman, M.D.Hinsdale, IL 605211184679110
- Thomas Gallagher, MDHinsdale, IL 605211467427641
- Amy Hashimoto, MDHinsdale, IL 605211972578953
- Hepsi Kalapala, M.D.Hinsdale, IL 605211427003516
Common questions
What is Preethi Sasikumar, M.D.'s NPI number?
Preethi Sasikumar, M.D.'s National Provider Identifier (NPI) is 1780639062, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Preethi Sasikumar, M.D. located?
The NPPES record lists a practice address at 15 Salt Creek LN, Hinsdale, IL, 60521. Phone: (630) 371-0133. Providers update this record themselves, so call before visiting.
How can I verify Preethi Sasikumar, M.D.'s license?
NPPES lists Illinois license number 036113443, 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 Preethi Sasikumar, M.D. prescribe under Medicare Part D?
In 2024, Preethi Sasikumar, M.D. had 32 Medicare Part D claims for 18 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.