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Hospitalist

Gagandeep Singh, MD

Works at hospitals in Derby, CT · Manchester, CT · Hartford, CT · Connecticut

Summary

Dr. Gagandeep Singh, MD is a hospitalist at 114 Woodland St, Hartford, CT 06105. Phone: (860) 714-4000. Accepts Medicare assignment. In 2024, Gagandeep Singh had 422 Original Medicare patients and 1,410 services. NPI 1003055021. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Gagandeep Singh, 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 Gagandeep Singh accept Medicare assignment?
Yes. Medicare's clinician data says Gagandeep Singh 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 Gagandeep Singh see?
In 2024, CMS data shows 422 Original Medicare patients and 1,410 services for Gagandeep Singh. This counts Original Medicare only and measures volume, not quality.
What is Gagandeep Singh's NPI number?
1003055021. 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 Gagandeep Singh, 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 patients422
Services billed to Medicare1,410
Different services or procedures19
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)656 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)230 services
  3. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)171 services
  4. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)116 services
  5. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)71 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%
  • Arthritis55%
  • Anxiety54%
  • Ischemic heart disease52%
  • Heart failure52%

Hospitals where Gagandeep Singh works

Medicare's Facility Affiliation Data lists Gagandeep Singh 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.

  • Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
  • Manchester Memorial HospitalManchester, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070027
  • St Francis Hospital & Medical CenterHartford, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070002

Practice locations

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

Group practices

Medicare enrollment lists Gagandeep Singh as a member of this group (CMS data updated October 2, 2026).

  • Galen Inpatient Physicians PC1,077 clinicians in the group

Specialties

Find other Hospitalist doctors in Connecticut →

Other hospitalists in Hartford

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

All hospitalists in Hartford →

Other clinicians in Galen Inpatient Physicians PC

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003055021
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