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Internal Medicine

Jong Gil Oh, MD

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

Summary

Jong Gil Oh, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Derby, CT, Manchester, CT and Sharon, CT. NPI 1245296573. 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 Jong Gil Oh, 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
27Years since medical school (graduated 1999)
MaleGender (as listed)
HDC Care Solutions LLCGroup practice (+1 more)

Quick answers

Which hospitals does Jong Gil Oh work at?
Medicare's official clinician data lists Jong Gil Oh at 3 hospitals: Griffin Hospital, Manchester Memorial Hospital and Sharon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jong Gil Oh see patients?
Medicare's clinician data lists 2 practice locations, including Middletown, CT and Vernon, CT. Call before your visit to confirm the address.
What is Jong Gil Oh's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jong Gil Oh accept Medicare assignment?
Yes. Medicare's clinician data says Jong Gil Oh 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 Jong Gil Oh?
(888) 964-6681, as listed in official Medicare / NPI Registry data.
What is Jong Gil Oh's NPI number?
1245296573. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jong Gil Oh works

Medicare's Facility Affiliation Data lists Jong Gil Oh 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 Jong Gil Oh is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jong Gil Oh as a member of these groups (CMS data updated 2026-10-02).

  • HDC Care Solutions LLC197 clinicians in the group
  • Reliant Housecalls, PLLC17 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Middletown

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

All internal medicine doctors in Middletown →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245296573
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