JASON SANGHWA OH MD
NPI 1063617413
Internal Medicine - Critical Care Medicine in Gainesville, GA
About Jason Sanghwa Oh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON SANGHWA OH MD (NPI 1063617413) is an individual critical care medicine provider in Gainesville, Georgia, licensed in Georgia (69824) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 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
Jason Sanghwa 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
2Medicare enrollment records show Jason Oh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Roswell, GA 30076
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Lavonia, GA 30553
- Reassigned Medicare billing, Georgia enrollment
- 128 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 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellstar Kennestone Regional Medical Center
Acute Care Hospitals · Marietta, GAWellstar Cobb Medical Center
Acute Care Hospitals · Austell, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jason Oh's NPI number?
The NPI number for Jason Oh is 1063617413. It was assigned to this individual provider in the NPPES registry on June 17, 2007.
Where is Jason Oh located?
Jason Oh practices at 743 Spring St NE, Gainesville, GA 30501. The listed phone number is (770) 219-9000.
What is Jason Oh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jason Oh enrolled in Medicare?
Yes. Jason 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 Jason Oh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Oh reassigns Medicare benefits to 2 organizations: Wellstar Medical Group, LLC (Roswell, GA) and Cep America LLC (Lavonia, GA). 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 Jason Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jason Oh accept?
Health plans from Alliant Health Plans, Inc. and Oscar Health list Jason 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.
Is Jason Oh affiliated with any hospitals?
According to CMS data, Jason Oh is affiliated with Wellstar Kennestone Regional Medical Center and Wellstar Cobb Medical Center.
When was this NPI record last updated?
The NPPES record for Jason Oh was last updated on April 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Jason Sanghwa Oh, MD · NPI 1063617413
Critical Care Medicine physician in Gainesville, Georgia. Individual provider, active in the CMS NPPES registry since June 17, 2007.
## Identity
- **NPI:** 1063617413 (Entity type: Individual)
- **Enumerated:** June 17, 2007
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 69824 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 743 SPRING ST NE, Gainesville, GA 30501-3715
- **Phone:** (770) 219-9000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Wellstar Medical Group, LLC (NPI 1922405729, Roswell, GA); Cep America LLC (NPI 1740039262, Lavonia, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** April 22, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1063617413) · Data from the CMS NPPES public registry.