Quick answers
- Which hospitals does Mark Ash work at?
- Medicare's official clinician data lists Mark Ash at 1 hospital: The University of Vermont Health Network - Champl…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Ash see patients?
- Medicare's clinician data lists 1 practice location in Clay, NY. Call before your visit to confirm the address.
- What is Mark Ash's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Mark Ash accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Ash 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 Ash?
- (315) 500-3376, as listed in official Medicare / NPI Registry data.
- What is Mark Ash's NPI number?
- 1710419379. 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 Ash works
Medicare's Facility Affiliation Data lists Mark Ash at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The University of Vermont Health Network - Champl…Plattsburgh, NY · Acute Care Hospital · CCN 330250
Practice locations
Addresses where Mark Ash is enrolled with Medicare (CMS data updated 2026-10-02).
- 4106 Route 31, Suite 904Clay, NY 13041 (315) 500‑3376
Specialties
- Dermatologyprimary
Other dermatologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Brody School Of Medicine At East Carolina University |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710419379 |
| 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