Quick answers
- Which hospitals does John Prenshaw work at?
- Medicare's official clinician data lists John Prenshaw at 2 hospitals: AdventHealth Murray and Fort Loudoun Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Prenshaw see patients?
- Medicare's clinician data lists 2 practice locations, including Chattanooga, TN and Atlanta, GA. Call before your visit to confirm the address.
- What is John Prenshaw's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does John Prenshaw accept Medicare assignment?
- Yes. Medicare's clinician data says John Prenshaw 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 Prenshaw?
- (423) 894-5300, as listed in official Medicare / NPI Registry data.
- What is John Prenshaw's NPI number?
- 1164869475. 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 Prenshaw works
Medicare's Facility Affiliation Data lists John Prenshaw at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth MurrayChatsworth, GA · Acute Care Hospital · CCN 110050
- Fort Loudoun Medical CenterLenoir City, TN · Acute Care Hospital · CCN 440110
Practice locations
Addresses where John Prenshaw is enrolled with Medicare (CMS data updated 2026-10-02).
- 7305 Jarnigan Rd, Suite 100Chattanooga, TN 37421 (423) 894‑5300
- 800 Mount Vernon Nehwy, Suite 120Atlanta, GA 30328 (770) 804‑1684
Group practices
Medicare enrollment lists John Prenshaw as a member of this group (CMS data updated 2026-10-02).
- Jonathan Woolfson MD PC28 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Chattanooga
Clinicians with the same Medicare primary specialty in Chattanooga, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164869475 |
| 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