JONG GIL OH MD
NPI 1245296573
Internal Medicine in Farmington, CT
About Jong Gil Oh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONG GIL OH MD (NPI 1245296573) is an individual internal medicine provider in Farmington, Connecticut, licensed in Connecticut (045845) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jong Gil Oh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
13Medicare enrollment records show Jong Oh reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Farmington, CT 06032
- Reassigned Medicare billing, Connecticut enrollment
- 496 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 302 clinicians in this Medicare group
Vernon, CT 06066
- Reassigned Medicare billing, Connecticut enrollment
- 23 clinicians in this Medicare group
Derby, CT 06418
- Reassigned Medicare billing, Connecticut enrollment
- 40 clinicians in this Medicare group
Springfield, MA 01151
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Ipc Hospitalists Of New England PC
- 88 clinicians in this Medicare group
Norwich, CT 06360
- Reassigned Medicare billing, Connecticut enrollment
- 430 clinicians in this Medicare group
Stamford, CT 06902
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Careconnectmd Connecticut P.C.
- 168 clinicians in this Medicare group
Framingham, MA 01702
- Reassigned Medicare billing, Connecticut enrollment
- 142 clinicians in this Medicare group
Framingham, MA 01702
- Reassigned Medicare billing, Connecticut enrollment
- 149 clinicians in this Medicare group
Chelsea, MA 02150
- Reassigned Medicare billing, Connecticut enrollment
- 40 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, CT 06032
FARMINGTON, CT 06032
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jong Oh's NPI number?
The NPI number for Jong Oh is 1245296573. It was assigned to this individual provider in the NPPES registry on April 25, 2006.
Where is Jong Oh located?
Jong Oh practices at 4 Farm Springs Rd, Farmington, CT 06032. The listed phone number is (860) 284-5200.
What is Jong Oh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jong Oh enrolled in Medicare?
Yes. Jong Oh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jong Oh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jong Oh reassigns Medicare benefits to 13 organizations: Prohealth Physicians PC (Farmington, CT), Windham Community Memorial Hospital, Inc. (Willimantic, CT), Reliant Housecalls, PLLC (Vernon, CT), Connecticut Post Acute Medical Services 1 PC (Derby, CT), Ipc Hospitalists Of New England, P.C. (Springfield, MA) and 8 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jong Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jong Oh accept?
Health plans from Anthem Blue Cross and Blue Shield list Jong Oh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jong Oh was last updated on August 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Jong Gil Oh, MD · NPI 1245296573
Internal Medicine physician in Farmington, Connecticut. Individual provider, active in the CMS NPPES registry since April 25, 2006.
## Identity
- **NPI:** 1245296573 (Entity type: Individual)
- **Enumerated:** April 25, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 045845 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 4 FARM SPRINGS RD, Farmington, CT 06032-2573
- **Phone:** (860) 284-5200 · **Fax:** (860) 284-5333
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 13 organizations under Medicare reassignment (form CMS-855R): Prohealth Physicians PC (NPI 1720194053, Farmington, CT); Windham Community Memorial Hospital, Inc. (NPI 1023191467, Willimantic, CT); Reliant Housecalls, PLLC (NPI 1720826381, Vernon, CT); Connecticut Post Acute Medical Services 1 PC (NPI 1558890467, Derby, CT); Ipc Hospitalists Of New England, P.C. (NPI 1659555266, Springfield, MA); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** August 19, 2011
- **Other identifiers:** Medicaid 1245296573 (CT); Medicare PIN 110010405 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1245296573) · Data from the CMS NPPES public registry.