Dr. Shiela V. Subramanian, MD

  • Norwalk, CT
  • Internist
NPI1538235163
Part D claims, 2024
1,503
Industry payments
$1,517
Affiliated sites
1
Medical group
1
State license
1
Practice address
34 Maple St, Norwalk, CT 06850
Practice phone
Call (203) 852-2216
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Norwalk Hospital

Norwalk, Connecticut

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Dr. Shiela V. Subramanian is an internist in Norwalk, Connecticut

Dr. Subramanian practices at Norwalk Hospital in Norwalk, Connecticut.

Dr. Subramanian's NPI, 1538235163, was assigned on November 27, 2006. Dr. Subramanian holds Connecticut license 039463.

NPI and contact details
NPI enumeration date
November 27, 2006
NPI status
Active
Practice phone
(203) 852-2216
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Shiela V. Subramanian practices at Norwalk Hospital in Norwalk, Connecticut

Dr. Subramanian's primary practice is Norwalk Hospital, at 34 Maple St, Norwalk, CT 06850 in Western Ct County. The practice phone is (203) 852-2216.

  • Norwalk Hospital
    34 Maple St, Norwalk, CT 06850 · Western Ct CountyPhone(203) 852-2216

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Shiela V. Subramanian is affiliated with 2 sites of care and 1 medical group

Dr. Subramanian's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Dr. Subramanian to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Dr. Subramanian

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Shiela V. Subramanian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Subramanian practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Norwalk HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Shiela V. Subramanian is one of 2,189 internists in Connecticut

Internal medicine is Dr. Subramanian's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Subramanian is licensed in Connecticut.

Specialties and state licenses

  • Internal medicine, ConnecticutPrimaryLicense 039463 · taxonomy 207R00000X

Internists near Dr. Subramanian

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Shiela V. Subramanian's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Dr. Subramanian's median patient age at 65, with 72% women.

Dr. Subramanian's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women72%
  • Men24%

Source: Dmand AI Patient Panel Data

Dr. Shiela V. Subramanian wrote 1,503 Medicare Part D claims in 2024

In 2024, Dr. Subramanian wrote 1,503 Medicare Part D claims for 122 patients. 91% of them were for generic drugs. CMS names the drug for 1,139 of them, across 47 drugs with 11 or more claims each, at $49,168 in total drug cost. In 2023, CMS named 971 claims across 39 drugs.

Part D claims, 20241,503
Drugs named by CMS47
Total drug cost$49,168
Part D patients122

Dr. Subramanian's Part D claims by kind of drug, 2024

  • Generic1,364 claims91%
  • Brand-name and other139 claims9%

Dr. Subramanian's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Subramanian's Part D claims, 2024

  • Opioids3%40 of 1,503 claims
  • Antibiotics8%114 of 1,503 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9712024: 1,13917%

Drugs named by CMS: 47 in 2024, 39 in 2023.

See all prescribing by Dr. Subramanian

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Shiela V. Subramanian received $1,517 in industry payments from 2016 to 2025

CMS Open Payments shows 76 general payments to Dr. Subramanian from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $197.

General payments to Dr. Subramanian by program year, 2016 to 2025

Companies that paid Dr. Subramanian the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Subramanian

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Shiela V. Subramanian's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Shiela V. Subramanian

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Shiela V. Subramanian's NPI number?

Dr. Shiela V. Subramanian's NPI number is 1538235163. It was assigned on November 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Shiela V. Subramanian?

Dr. Shiela V. Subramanian is an internist in Norwalk, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Shiela V. Subramanian practice?

Dr. Subramanian practices at 34 Maple St, Norwalk, CT 06850. Dr. Subramanian's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Dr. Subramanian to 1 group practice or clinic and 1 medical group.

What is Dr. Shiela V. Subramanian's office phone number?

The practice phone on file for Dr. Subramanian is (203) 852-2216.

What is Dr. Shiela V. Subramanian's medical license number?

Dr. Subramanian holds Connecticut license 039463.

What drugs does Dr. Shiela V. Subramanian prescribe most?

In 2024 Medicare Part D data, Dr. Subramanian's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Rosuvastatin Calcium.

Has Dr. Shiela V. Subramanian received payments from drug or device companies?

CMS Open Payments shows $1,517 in general payments to Dr. Subramanian from 28 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Shiela V. Subramanian been practicing?

Dr. Subramanian's NPI was assigned in 2006.

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