Quick answers
- Which hospitals does Orton C. Armstrong work at?
- Medicare's official clinician data lists Orton C. Armstrong at 2 hospitals: Camden Clark Medical Center and Marietta Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Orton C. Armstrong see patients?
- Medicare's clinician data lists 2 practice locations, including Parkersburg, WV. Call before your visit to confirm the address.
- What is Orton C. Armstrong's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Orton C. Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Orton C. Armstrong 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 Orton C. Armstrong?
- (304) 893-9090, as listed in official Medicare / NPI Registry data.
- What is Orton C. Armstrong's NPI number?
- 1871550947. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Orton C. Armstrong works
Medicare's Facility Affiliation Data lists Orton C. Armstrong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Camden Clark Medical CenterParkersburg, WV · Acute Care Hospital · CCN 510058
- Marietta Memorial HospitalMarietta, OH · Acute Care Hospital · CCN 360147
Practice locations
Addresses where Orton C. Armstrong is enrolled with Medicare (CMS data updated 2026-10-02).
- 2012 Garfield Ave, Suite BParkersburg, WV 26101
- 2012 Garfield Ave BParkersburg, WV 26101 (304) 893‑9090
Group practices
Medicare enrollment lists Orton C. Armstrong as a member of this group (CMS data updated 2026-10-02).
- River Valley Medicine and Pediatrics Inc.3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Parkersburg
Clinicians with the same Medicare primary specialty in Parkersburg, WV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871550947 |
| 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