Shiela V. Subramanian, MD
Internal Medicine Physician · New Cauaan, CT
Shiela V. Subramanian, MD is an internal medicine physician with a practice address in New Cauaan, Connecticut, and NPI 1538235163, issued on Nov 27, 2006. Check the license (Connecticut 039463, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Shiela V. Subramanian
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 039463 CT
Self-reported in NPPES; status is on the state search - Practice location
- 173 East Avenue, New Cauaan, CT 06840
- Phone
- (203) 972-4255
- Enumerated
- Nov 27, 2006
- Record last updated
- Apr 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (203) 801-2126
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Verify Shiela V. Subramanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039463Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,503 Medicare Part D claims for 122 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Levothyroxine Sodium76 claims
- Atorvastatin Calcium71 claims
- Rosuvastatin Calcium56 claims
- Alprazolam49 claims
- Lorazepam49 claims
- Losartan Potassium41 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: $274.33
13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Shiela V. Subramanian among 2,623 internal medicine physician records in Connecticut
Shiela V. Subramanian, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2012 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Connecticut
There are 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deena Ebright, M.D.New Canaan, CT 068401346202371
- Seymour Fein, M.D.New Canaan, CT 068401598886723
- Yesha Gandhi, M.D.New Canaan, CT 068401457887200
- Peter Hasapis, MDNew Canaan, CT 068401720154354
- Kirsten Hohmann, MDNew Canaan, CT 068401912017989
- Denise Lautenbach, MDNew Canaan, CT 068401174620694
- Alicia Masucci, MDNew Canaan, CT 068401992333777
- Rebecca ScherrNew Canaan, CT 068401841816360
Common questions
What is Shiela V. Subramanian, MD's NPI number?
Shiela V. Subramanian, MD's National Provider Identifier (NPI) is 1538235163, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shiela V. Subramanian, MD located?
The NPPES record lists a practice address at 173 East Avenue, New Cauaan, CT, 06840. Phone: (203) 972-4255. Providers update this record themselves, so call before visiting.
How can I verify Shiela V. Subramanian, MD's license?
NPPES lists Connecticut license number 039463, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shiela V. Subramanian, MD prescribe under Medicare Part D?
In 2024, Shiela V. Subramanian, MD had 1,503 Medicare Part D claims for 122 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.