GREGG M KOVAL M.D.
NPI 1659472363
Internal Medicine in Atlanta, GA
About Gregg M Koval M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGG M KOVAL M.D. (NPI 1659472363) is an individual internal medicine provider in Atlanta, Georgia, licensed in Georgia (025202) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Emory Decatur Hospital, and is a graduate of Emory University School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Gregg M Koval M.d. 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 Reassignment
Medicare enrollment records show Gregg Koval reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 9 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 16
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emory Decatur Hospital
Acute Care Hospitals · Decatur, GAEmory University Hospital Midtown
Acute Care Hospitals · Atlanta, GASaint Joseph's Hospital Of Atlanta, Inc
Acute Care Hospitals · Atlanta, GANorthside Hospital
Acute Care Hospitals · Atlanta, GAEmory Johns Creek Hospital
Acute Care Hospitals · Johns Creek, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30342 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 4
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
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 Gregg Koval's NPI number?
The NPI number for Gregg Koval is 1659472363. It was assigned to this individual provider in the NPPES registry on September 26, 2006.
Where is Gregg Koval located?
Gregg Koval practices at 5667 Peachtree Dunwoody Road Suite 150, Atlanta, GA 30342. The listed phone number is (404) 256-0775.
What is Gregg Koval's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gregg Koval enrolled in Medicare?
Yes. Gregg Koval 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 organization bills Medicare for Gregg Koval's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Koval reassigns Medicare benefits to Center For Medicine Endocrinology & Diabetes LLC (Atlanta, GA). The 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 Gregg Koval's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregg Koval accept?
Health plans from Oscar Health list Gregg Koval 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 Gregg Koval affiliated with any hospitals?
According to CMS data, Gregg Koval is affiliated with Emory Decatur Hospital, Emory University Hospital Midtown, Saint Joseph's Hospital Of Atlanta, Inc, Northside Hospital and Emory Johns Creek Hospital.
When was this NPI record last updated?
The NPPES record for Gregg Koval was last updated on December 2, 2010. 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.