Quick answers
- Which hospitals does Long B. Nguyen work at?
- Medicare's official clinician data lists Long B. Nguyen at 3 hospitals: Emory Johns Creek Hospital, Emory University Hospital Midtown and Northside Hospital Forsyth. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Long B. Nguyen see patients?
- Medicare's clinician data lists 5 practice locations, including Johns Creek, GA, Cumming, GA and Lawrenceville, GA. Call before your visit to confirm the address.
- What is Long B. Nguyen's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Long B. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Long B. Nguyen 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.
- Does Long B. Nguyen offer telehealth?
- Medicare's clinician data says Long B. Nguyen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Long B. Nguyen?
- (770) 227-2222, as listed in official Medicare / NPI Registry data.
- What is Long B. Nguyen's NPI number?
- 1740480565. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Long B. Nguyen works
Medicare's Facility Affiliation Data lists Long B. Nguyen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emory Johns Creek HospitalJohns Creek, GA · Acute Care Hospital · CCN 110230
- Emory University Hospital MidtownAtlanta, GA · Acute Care Hospital · CCN 110078
- Northside Hospital ForsythCumming, GA · Acute Care Hospital · CCN 110005
Practice locations
Addresses where Long B. Nguyen is enrolled with Medicare (CMS data updated 2026-10-02).
- 11315 Johns Creek Pkwy, Suite 400Johns Creek, GA 30097 (770) 227‑2222
- 1505 Northside Blvd, Suite 2000Cumming, GA 30041 (770) 781‑4010
- 1670 McKendree Church Rd, Bldg 800Lawrenceville, GA 30043 (770) 227‑2222
- 2520 Windy Hill Rd SE, Suite 102Marietta, GA 30067 (770) 612‑8165
- 488 Kennesaw Ave NW, Suite 200Marietta, GA 30060 (770) 427‑3075
Group practices
Medicare enrollment lists Long B. Nguyen as a member of these groups (CMS data updated 2026-10-02).
- Aga Professional Services LLC177 clinicians in the group
- Aga, LLC137 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Johns Creek
Clinicians with the same Medicare primary specialty in Johns Creek, GA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1740480565 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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