Quick answers
- Which hospitals does Jim M. John work at?
- Medicare's official clinician data lists Jim M. John at 3 hospitals: Northside Hospital Duluth, Northside Hospital Forsyth and Northside Hospital Gwinnett. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jim M. John see patients?
- Medicare's clinician data lists 7 practice locations, including Lawrenceville, GA, Roswell, GA and Snellville, GA. Call before your visit to confirm the address.
- What is Jim M. John's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Jim M. John accept Medicare assignment?
- Yes. Medicare's clinician data says Jim M. John 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 Jim M. John?
- (678) 312-1000, as listed in official Medicare / NPI Registry data.
- What is Jim M. John's NPI number?
- 1841404233. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jim M. John works
Medicare's Facility Affiliation Data lists Jim M. John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northside Hospital DuluthDuluth, GA · Acute Care Hospital · CCN 110252
- Northside Hospital ForsythCumming, GA · Acute Care Hospital · CCN 110005
- Northside Hospital GwinnettLawrenceville, GA · Acute Care Hospital · CCN 110087
Practice locations
Addresses where Jim M. John is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1000 Medical Ctr BlvdLawrenceville, GA 30046 (678) 312‑1000
- 1285 Upper Hembree RdRoswell, GA 30076 (770) 343‑8565
- 1608 Tree Ln, Bldg CSnellville, GA 30078 (404) 845‑8200
- 2200 Medical Ctr Blvd, Suite 400Lawrenceville, GA 30046 (404) 845‑8200
- 2200 Medical Ctr Blvd, Suite G1Lawrenceville, GA 30046 (404) 962‑2500
Group practices
Medicare enrollment lists Jim M. John as a member of these groups (CMS data updated 2026-10-02).
- Northside Cardiovascular Professional Services, LLC173 clinicians in the group
- Northside CV Professional Services LLC49 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Lawrenceville
Clinicians with the same Medicare primary specialty in Lawrenceville, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841404233 |
| 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