Girija Narayanaswamy, MD

Medicare activity in 2024

Official CMS public-use data for Girija Narayanaswamy, 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.

Most frequent services

1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)166 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)22 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%
• Arthritis66%
• Ischemic heart disease51%
• Heart failure49%
• Anxiety48%

Hospitals where Girija Narayanaswamy works

Medicare's Facility Affiliation Data lists Girija Narayanaswamy 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.

• Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
• Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
• Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where Girija Narayanaswamy is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Hospital PlzStamford, CT 06902 (203) 276‑1000
• 29 Hospital PlzStamford, CT 06902
• 4 Hospital Plz, Suite 102Stamford, CT 06902 (203) 276‑2330
• 5 High Ridge Park, Suite 103Stamford, CT 06905 (203) 276‑4644
• 5 Perryridge RdGreenwich, CT 06830 (203) 863‑3840

Group practices

Medicare enrollment lists Girija Narayanaswamy as a member of these groups (CMS data updated October 2, 2026).

• Northeast Medical Group Inc1,360 clinicians in the group
• Stamford Health Medical Group Inc444 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Stamford

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

• Nila G. Aburto, MD
• Yiannis Apergis
• Lynn J. Morris, MD
• Maja Simic, MD
• Vipulkumar Bhalodiya, MD
• Elyse Erlich
• Inga K. Tuluca, MD
• Samay Patel

All internal medicine doctors in Stamford →

Other clinicians in Northeast Medical Group Inc

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

• Kathleen Ellis
• Susan M. Paxton
• Benjamin Chipkin, MD
• Joseph Tortorello, MD
• Asini E. Gunawardana, MD
• Urvika Choksey, MD

Clinician information

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