Quick answers
- Which hospitals does Margaret Johnson work at?
- Medicare's official clinician data lists Margaret Johnson at 1 hospital: Memorial Healthcare System, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret Johnson see patients?
- Medicare's clinician data lists 3 practice locations, including Hixson, TN, Chattanooga, TN and Ringgold, GA. Call before your visit to confirm the address.
- What is Margaret Johnson's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Margaret Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Johnson 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 Margaret Johnson?
- (423) 495-7353, as listed in official Medicare / NPI Registry data.
- What is Margaret Johnson's NPI number?
- 1558337576. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret Johnson works
Medicare's Facility Affiliation Data lists Margaret Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Healthcare System, IncChattanooga, TN · Acute Care Hospital · CCN 440091
Practice locations
Addresses where Margaret Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2051 Hamill RdHixson, TN 37343 (423) 495‑7353
- 2525 Desales AveChattanooga, TN 37404 (423) 495‑2525
- 4710 Battlefield PkwyRinggold, GA 30736 (423) 495‑2525
Group practices
Medicare enrollment lists Margaret Johnson as a member of this group (CMS data updated 2026-10-02).
- Memorial Health Partners Foundation Inc485 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Tennessee →
Other nurse anesthetists in Hixson
Clinicians with the same Medicare primary specialty in Hixson, TN — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558337576 |
| 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