Tenkasi Subramanian, M.D.
Specialist · Oak Brook, IL
Tenkasi Subramanian, M.D. is a specialist with a practice address in Oak Brook, Illinois, and NPI 1962550335, issued on Jan 8, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tenkasi Subramanian
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 811 Saint Stephens Grn, Oak Brook, IL 60523
- Phone
- (630) 325-6561
- Enumerated
- Jan 8, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 325-6575
- Medicare enrollment
- Enrolled (PECOS I20080325000408); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Verify Tenkasi Subramanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $29.29
1 payment: food and beverage; the largest payer was Daiichi Sankyo Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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
- North American Partners IN Anesthesia Illinois LLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tenkasi Subramanian among 1,154 specialist records in Illinois
Tenkasi Subramanian, M.D. is one of 1,154 specialist records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 37% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1969 · median 1988 among the 127 with a school on file
- Record last updated2007 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Illinois
There are 1,154 specialist records in Illinois.
All 1,154 in Illinois → Every provider in Oak Brook → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- W. Paul Dmowski, M.D., PH.D.Oak Brook, IL 605231487657318
- Shanelle Rodee, MS, OTR/LOak Brook, IL 605231851798771
- Carlos Rotman, M.D.Oak Brook, IL 605231659426609
- Laura Teven-Watkinson, ATCOak Brook, IL 605231912976002
- Elena Trukhacheva, M.D.Oak Brook, IL 605231821227588
- Robert Beatty, M.D.Hinsdale, IL 605211205820818
- Mark Coleman, MDLa Grange, IL 605251295750743
- Nichole Dawson, PH.D.Hinsdale, IL 605211578780151
Common questions
What is Tenkasi Subramanian, M.D.'s NPI number?
Tenkasi Subramanian, M.D.'s National Provider Identifier (NPI) is 1962550335, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tenkasi Subramanian, M.D. located?
The NPPES record lists a practice address at 811 Saint Stephens Grn, Oak Brook, IL, 60523. Phone: (630) 325-6561. Providers update this record themselves, so call before visiting.
How can I verify Tenkasi Subramanian, M.D.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.