Quick answers
- Which hospitals does Jonas D. Clark work at?
- Medicare's official clinician data lists Jonas D. Clark at 1 hospital: Marietta Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonas D. Clark see patients?
- Medicare's clinician data lists 1 practice location in Marietta, OH. Call before your visit to confirm the address.
- What is Jonas D. Clark's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Jonas D. Clark accept Medicare assignment?
- Yes. Medicare's clinician data says Jonas D. Clark 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 Jonas D. Clark?
- (740) 568-5207, as listed in official Medicare / NPI Registry data.
- What is Jonas D. Clark's NPI number?
- 1427666486. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonas D. Clark works
Medicare's Facility Affiliation Data lists Jonas D. Clark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marietta Memorial HospitalMarietta, OH · Acute Care Hospital · CCN 360147
Practice locations
Addresses where Jonas D. Clark is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 Matthew St, Suite 302Marietta, OH 45750 (740) 568‑5207
Group practices
Medicare enrollment lists Jonas D. Clark as a member of this group (CMS data updated 2026-10-02).
- Marietta Memorial Hospital392 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Marietta
Clinicians with the same Medicare primary specialty in Marietta, OH — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427666486 |
| 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