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Internal Medicine

Manik Garg, MD

Works at hospitals in Derby, CT · New Haven, CT · Connecticut

Summary

Manik Garg, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Derby, CT and New Haven, CT. NPI 1649566332. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Manik Garg, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
MaleGender (as listed)
Griffin Faculty Physicians IncGroup practice

Quick answers

Which hospitals does Manik Garg work at?
Medicare's official clinician data lists Manik Garg at 2 hospitals: Griffin Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Manik Garg see patients?
Medicare's clinician data lists 1 practice location in Derby, CT. Call before your visit to confirm the address.
What is Manik Garg's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Manik Garg accept Medicare assignment?
Yes. Medicare's clinician data says Manik Garg accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Manik Garg?
(203) 732-1330, as listed in official Medicare / NPI Registry data.
What is Manik Garg's NPI number?
1649566332. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Manik Garg works

Medicare's Facility Affiliation Data lists Manik Garg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Manik Garg is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Manik Garg as a member of this group (CMS data updated 2026-10-02).

  • Griffin Faculty Physicians Inc134 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Derby

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

All internal medicine doctors in Derby →

Clinician information

CredentialMD
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649566332
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians