Quick answers
- Which hospitals does Mark J. Corey work at?
- Medicare's official clinician data lists Mark J. Corey at 3 hospitals: Geisinger Wyoming Valley Medical Center, Our Lady of Lourdes Memorial Hospital, Inc and Robert Packer Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark J. Corey see patients?
- Medicare's clinician data lists 4 practice locations, including Sayre, PA and Wellsboro, PA. Call before your visit to confirm the address.
- What is Mark J. Corey's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark J. Corey accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Corey 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 Mark J. Corey offer telehealth?
- Medicare's clinician data says Mark J. Corey offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark J. Corey?
- (570) 724-4241, as listed in official Medicare / NPI Registry data.
- What is Mark J. Corey's NPI number?
- 1629042585. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Corey works
Medicare's Facility Affiliation Data lists Mark J. Corey at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Geisinger Wyoming Valley Medical CenterWilkes-Barre, PA · Acute Care Hospital · CCN 390270
- Our Lady of Lourdes Memorial Hospital, IncBinghamton, NY · Acute Care Hospital · CCN 330011
- Robert Packer HospitalSayre, PA · Acute Care Hospital · CCN 390079
Practice locations
Addresses where Mark J. Corey is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Guthrie SqSayre, PA 18840
- 110 Plaza LnWellsboro, PA 16901 (570) 724‑4241
- One Guthrie SqSayre, PA 18840
- One Guthrie SquareSayre, PA 18840
Group practices
Medicare enrollment lists Mark J. Corey as a member of this group (CMS data updated 2026-10-02).
- Guthrie Medical Group PC795 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Sayre
Clinicians with the same Medicare primary specialty in Sayre, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629042585 |
| 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