Quick answers
- Which hospitals does Ruth A. Grissom work at?
- Medicare's official clinician data lists Ruth A. Grissom at 3 hospitals: Johnson City Medical Center, MaineHealth Maine Medical Center and Sacred Heart Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruth A. Grissom see patients?
- Medicare's clinician data lists 4 practice locations, including Bristol, TN, Portland, ME and Johnson City, TN. Call before your visit to confirm the address.
- What is Ruth A. Grissom's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Ruth A. Grissom accept Medicare assignment?
- Yes. Medicare's clinician data says Ruth A. Grissom 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 Ruth A. Grissom?
- (423) 390-0451, as listed in official Medicare / NPI Registry data.
- What is Ruth A. Grissom's NPI number?
- 1801057658. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruth A. Grissom works
Medicare's Facility Affiliation Data lists Ruth A. Grissom at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · CCN 440063
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- Sacred Heart HospitalPensacola, FL · Acute Care Hospital · CCN 100025
Practice locations
Addresses where Ruth A. Grissom is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Medical Park BlvdBristol, TN 37620 (423) 390‑0451
- 22 Bramhall StPortland, ME 04102 (207) 662‑2526
- 400 N State of Franklin RdJohnson City, TN 37604 (423) 390‑0451
- 5151 N 9th AvePensacola, FL 32504 (850) 202‑4700
Group practices
Medicare enrollment lists Ruth A. Grissom as a member of these groups (CMS data updated 2026-10-02).
- Spectrum Healthcare Partners PA308 clinicians in the group
- Paragon Anesthesia PC211 clinicians in the group
- Ams Anesthetist Services LLC147 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Bristol
Clinicians with the same Medicare primary specialty in Bristol, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801057658 |
| 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