Quick answers
- Which hospitals does Greta V. Guyer work at?
- Medicare's official clinician data lists Greta V. Guyer at 5 hospitals: Charleston Area Medical Center, Jackson General Hospital, Logan Regional Medical Center, Summersville Regional Medical Center and Thomas Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Greta V. Guyer see patients?
- Medicare's clinician data lists 1 practice location in South Charleston, WV. Call before your visit to confirm the address.
- What is Greta V. Guyer's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Greta V. Guyer accept Medicare assignment?
- Yes. Medicare's clinician data says Greta V. Guyer 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.
- Does Greta V. Guyer offer telehealth?
- Medicare's clinician data says Greta V. Guyer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Greta V. Guyer?
- (304) 346-2121, as listed in official Medicare / NPI Registry data.
- What is Greta V. Guyer's NPI number?
- 1477623775. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Greta V. Guyer works
Medicare's Facility Affiliation Data lists Greta V. Guyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · CCN 510022
- Jackson General HospitalRipley, WV · Critical Access Hospital · CCN 511320
- Logan Regional Medical CenterLogan, WV · Acute Care Hospital · CCN 510048
- Summersville Regional Medical CenterSummersville, WV · Critical Access Hospital · CCN 511322
- Thomas Memorial HospitalSouth Charleston, WV · Acute Care Hospital · CCN 510029
Practice locations
Addresses where Greta V. Guyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 Poplar St, Suite 202South Charleston, WV 25309 (304) 346‑2121
Group practices
Medicare enrollment lists Greta V. Guyer as a member of this group (CMS data updated 2026-10-02).
- THS Physician Partners Inc378 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in West Virginia
Clinicians with the same Medicare primary specialty in West Virginia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jc Edwards School Of Medicine, Marshall University |
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477623775 |
| 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