Lekshmi Thankam Nair, MD
Internal Medicine Physician · Chicago, IL
Lekshmi Thankam Nair, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1245677319, issued on May 30, 2013. Check the license (Illinois 036141105, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lekshmi Thankam Nair
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036141105 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St Ste 415, Chicago, IL 60611
- Phone
- (312) 926-3627
- Enumerated
- May 30, 2013
- Record last updated
- Jul 21, 2022
- Fax
- (312) 694-4102
- Medicare enrollment
- Enrolled (PECOS I20161110000792); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 676 N Saint Clair St Ste 415
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashton Harris, APRN, CNPNurse Practitioner1366293250
- Amy Kissinger, M.D.Internal Medicine Physician1548215841
- Chase Salazar, MDFamily Medicine Physician1447837018
- Daniel Sepe, MDFamily Medicine Physician1912526567
- Jennifer Zakko, MDInternal Medicine Physician1619468428
Verify Lekshmi Thankam 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 036141105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average internal medicine physician in 2024
4,195 Medicare Part D claims for 378 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 147 claims were for opioids.
Most prescribed
- Atorvastatin Calcium391 claims
- Amlodipine Besylate229 claims
- Levothyroxine Sodium187 claims
- Lisinopril156 claims
- Losartan Potassium130 claims
- Omeprazole95 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: $112.70
3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lekshmi Thankam Nair among 7,238 internal medicine physician records in Illinois
Lekshmi Thankam Nair, MD 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 2013, is newer than 57% of them.
- NPI issued2013 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2013 · median 2003 among the 3,580 with a school on file
- Record last updated2022 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kenneth Arbetter, MDChicago, IL 606111336132851
- Steven Gallo, MDChicago, IL 606111548253024
- Arnold Grauer, MDChicago, IL 606111619960184
- James Hall, MDChicago, IL 606111649263153
- Frances Langdon, MDChicago, IL 606111063405546
- Michael Lee, MDChicago, IL 606111942293451
- Hazel Manzano, MDChicago, IL 606111801889316
- Chadwick Milstead, MDChicago, IL 606111740273259
Common questions
What is Lekshmi Thankam Nair, MD's NPI number?
Lekshmi Thankam Nair, MD's National Provider Identifier (NPI) is 1245677319, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lekshmi Thankam Nair, MD located?
The NPPES record lists a practice address at 676 N Saint Clair St Ste 415, Chicago, IL, 60611. Phone: (312) 926-3627. Providers update this record themselves, so call before visiting.
How can I verify Lekshmi Thankam Nair, MD's license?
NPPES lists Illinois license number 036141105, 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 Lekshmi Thankam Nair, MD prescribe under Medicare Part D?
In 2024, Lekshmi Thankam Nair, MD had 4,195 Medicare Part D claims for 378 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.