Quick answers
- Where does Johan Koo see patients?
- Medicare's clinician data lists 2 practice locations, including Cumming, GA. Call before your visit to confirm the address.
- What is Johan Koo's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Johan Koo accept Medicare assignment?
- Yes. Medicare's clinician data says Johan Koo 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 Johan Koo?
- (770) 888-8777, as listed in official Medicare / NPI Registry data.
- What is Johan Koo's NPI number?
- 1114280419. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Johan Koo is enrolled with Medicare (CMS data updated 2026-10-02).
- 2575 Peachtree Pkwy, Suite 100Cumming, GA 30041 (770) 888‑8777
- 868 Buford RdCumming, GA 30041 (678) 284‑2006
Group practices
Medicare enrollment lists Johan Koo as a member of this group (CMS data updated 2026-10-02).
- Peachtree Immediate Care FP, LLC326 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Cumming
Clinicians with the same Medicare primary specialty in Cumming, GA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lincoln Memorial University Medical Department |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114280419 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians