Quick answers
- Which hospitals does Mark L. Allen work at?
- Medicare's official clinician data lists Mark L. Allen at 2 hospitals: East Liverpool City Hospital and Surgical Hospital at Southwoods. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark L. Allen see patients?
- Medicare's clinician data lists 2 practice locations, including East Liverpool, OH and Youngstown, OH. Call before your visit to confirm the address.
- What is Mark L. Allen's specialty?
- Medicare lists Pain Management as the primary specialty, and also Anesthesiology.
- Does Mark L. Allen accept Medicare assignment?
- Yes. Medicare's clinician data says Mark L. Allen 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 Mark L. Allen?
- (330) 385-4610, as listed in official Medicare / NPI Registry data.
- What is Mark L. Allen's NPI number?
- 1396760351. 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 L. Allen works
Medicare's Facility Affiliation Data lists Mark L. Allen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- East Liverpool City HospitalEast Liverpool, OH · Acute Care Hospital · CCN 360096
- Surgical Hospital at SouthwoodsYoungstown, OH · Acute Care Hospital · CCN 360352
Practice locations
Addresses where Mark L. Allen is enrolled with Medicare (CMS data updated 2026-10-02).
- 16687 Saint Clair Ave, Suite 101East Liverpool, OH 43920 (330) 385‑4610
- 7630 Southern BlvdYoungstown, OH 44512 (330) 729‑8000
Group practices
Medicare enrollment lists Mark L. Allen as a member of this group (CMS data updated 2026-10-02).
- Triad Health Services LLC258 clinicians in the group
Specialties
- Pain Managementprimary
- Anesthesiologyalso
Other pain management doctors in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396760351 |
| 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