Quick answers
- Which hospitals does John Knopf work at?
- Medicare's official clinician data lists John Knopf at 5 hospitals: Coastal Carolina Hospital, Effingham Health System, Memorial Health Meadows Hospital, Novant Health Hilton Head Medical Center and Savannah Health Services LLC dba Memorial Health University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Knopf see patients?
- Medicare's clinician data lists 6 practice locations, including Pooler, GA, Hilton Head Island, SC and Hilton Head, SC. Call before your visit to confirm the address.
- What is John Knopf's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John Knopf accept Medicare assignment?
- Yes. Medicare's clinician data says John Knopf 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 John Knopf?
- (786) 621-3900, as listed in official Medicare / NPI Registry data.
- What is John Knopf's NPI number?
- 1487116349. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Knopf works
Medicare's Facility Affiliation Data lists John Knopf at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Coastal Carolina HospitalHardeeville, SC · Acute Care Hospital · CCN 420101
- Effingham Health SystemSpringfield, GA · Critical Access Hospital · CCN 111306
- Memorial Health Meadows HospitalVidalia, GA · Acute Care Hospital · CCN 110128
- Novant Health Hilton Head Medical CenterHilton Head Island, SC · Acute Care Hospital · CCN 420080
- Savannah Health Services LLC dba Memorial Health University Medical CenterSavannah, GA · Acute Care Hospital · CCN 110036
Practice locations
Addresses where John Knopf is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 136 Traders WayPooler, GA 31322 (786) 621‑3900
- 15 Moss Creek VlgHilton Head Island, SC 29926 (843) 836‑7000
- 25 Hospital Ctr BlvdHilton Head, SC 29926 (843) 681‑6122
- 4700 Waters AveSavannah, GA 31404 (912) 350‑8436
- 655 Jesse Jewell Pkwy SEGainesville, GA 30501 (770) 533‑6511
Group practices
Medicare enrollment lists John Knopf as a member of these groups (CMS data updated 2026-10-02).
- The Longstreet Clinic, PC140 clinicians in the group
- Northeast Georgia Community Physicians LLC131 clinicians in the group
- Atlantic Radiology Associates LLC82 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Pooler
Clinicians with the same Medicare primary specialty in Pooler, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487116349 |
| 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