Vijayakumar Somasekharan Nair, MD, FACS
Critical Care Medicine (Internal Medicine) Physician · Oak Lawn, IL
Vijayakumar Somasekharan Nair, MD, FACS is a critical care medicine (internal medicine) physician with a practice address in Oak Lawn, Illinois, and NPI 1891752234, issued on Apr 28, 2006. Check the license (Illinois 036108208, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Vijayakumar Somasekharan Nair
- Credential
- MD, FACS
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 036108208 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9555 S 52ND Ave, Oak Lawn, IL 60453
- Phone
- (708) 684-6867
- Enumerated
- Apr 28, 2006
- Record last updated
- May 30, 2025
- Fax
- (708) 684-6869
- Medicare enrollment
- Enrolled (PECOS I20040115000891); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 9555 S 52ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Issa AlhamoudPediatric Nephrology Physician1407231913
- Alberto AlvarezRegistered Dietitian1356193247
- Usha Appalaneni, MDNeurology with Special Qualifications in Child Neurology Physician1992234611
- Cali Arundel, NPPediatric Nurse Practitioner1356839765
Verify Vijayakumar Somasekharan Nair 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 036108208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
119 Medicare Part D claims for 62 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Ibuprofen37 claims
- Oxycodone Hcl35 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).
Vijayakumar Somasekharan Nair among 281 critical care medicine (internal medicine) physician records in Illinois
Vijayakumar Somasekharan Nair, MD, FACS is one of 281 critical care medicine (internal medicine) physician records with a practice address in Illinois. 92% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 71% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1987 · median 2008 among the 226 with a school on file
- Record last updated2025 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 critical care medicine (internal medicine) physician records list a practice address in Oak Lawn
They are 33 of the 2,993 NPPES records with a practice address in Oak Lawn, and 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in Oak Lawn → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Isis Duran, MDOak Lawn, IL 604531891943619
- Kristopher Fultz, DOOak Lawn, IL 604531083842439
- Faiza Hashmi, MDOak Lawn, IL 604531972812774
- Nureain Mirza, MDOak Lawn, IL 604531205876414
- Zulfiqar Mohammad, MDOak Lawn, IL 604531902834633
- Karen O'Mara, D.O.Oak Lawn, IL 604531235112269
- Bharati Prasad, M.D.Oak Lawn, IL 604531033300090
- Vasantha Samala, M.D.Oak Lawn, IL 604531053430033
Common questions
What is Vijayakumar Somasekharan Nair, MD, FACS's NPI number?
Vijayakumar Somasekharan Nair, MD, FACS's National Provider Identifier (NPI) is 1891752234, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vijayakumar Somasekharan Nair, MD, FACS located?
The NPPES record lists a practice address at 9555 S 52ND Ave, Oak Lawn, IL, 60453. Phone: (708) 684-6867. Providers update this record themselves, so call before visiting.
How can I verify Vijayakumar Somasekharan Nair, MD, FACS's license?
NPPES lists Illinois license number 036108208, 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 Vijayakumar Somasekharan Nair, MD, FACS prescribe under Medicare Part D?
In 2024, Vijayakumar Somasekharan Nair, MD, FACS had 119 Medicare Part D claims for 62 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.