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Anesthesiology

Sriharsha D. Subramanya, MD

Works at hospitals in Hartford, CT · Norwich, CT · Connecticut

Summary

Dr. Sriharsha D. Subramanya, MD is an anesthesiologist at 326 Washington St, Norwich, CT 06360. Phone: (860) 282-0833. Accepts Medicare assignment. In 2024, Sriharsha D. Subramanya had 134 Original Medicare patients and 176 services. NPI 1609029602. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 326 Washington St, Norwich, CT 06360 · Directions (3 more locations)
  • Phone: (860) 282‑0833
  • Medicare: Accepts Medicare assignment
  • Hospitals: Hartford Hospital, William W Backus Hospital
  • Group practice: Hartford Hospital (+1 more)
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sriharsha D. Subramanya, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sriharsha D. Subramanya accept Medicare assignment?
Yes. Medicare's clinician data says Sriharsha D. Subramanya accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sriharsha D. Subramanya see?
In 2024, CMS data shows 134 Original Medicare patients and 176 services for Sriharsha D. Subramanya. This counts Original Medicare only and measures volume, not quality.
What is Sriharsha D. Subramanya's NPI number?
1609029602. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sriharsha D. Subramanya, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients134
Services billed to Medicare176
Different services or procedures64
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Critical care, first 30-74 minutes (99291)27 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease49%
  • Arthritis47%
  • Chronic kidney disease45%
  • Anxiety43%

Hospitals where Sriharsha D. Subramanya works

Medicare's Facility Affiliation Data lists Sriharsha D. Subramanya at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025
  • William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024

Practice locations

Addresses where Sriharsha D. Subramanya is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sriharsha D. Subramanya as a member of these groups (CMS data updated October 2, 2026).

  • Hartford Hospital1,044 clinicians in the group
  • Integrated Anesthesia Associates LLC409 clinicians in the group

Specialties

Find other Anesthesiology doctors in Connecticut →

Other anesthesiologists in Norwich

Clinicians with the same Medicare primary specialty in Norwich, CT — not a recommendation.

All anesthesiologists in Norwich →

Other clinicians in Hartford Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609029602
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians