Quick answers
- Where does Mark S. Clark see patients?
- Medicare's clinician data lists 3 practice locations, including North Andover, MA, Haverhill, MA and Beverly, MA. Call before your visit to confirm the address.
- What is Mark S. Clark's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark S. Clark accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. 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 Mark S. Clark?
- (978) 470-0800, as listed in official Medicare / NPI Registry data.
- What is Mark S. Clark's NPI number?
- 1235115213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark S. Clark is enrolled with Medicare (CMS data updated 2026-10-02).
- 129 Turnpike StNorth Andover, MA 01845 (978) 470‑0800
- 296 Main StHaverhill, MA 01830 (917) 767‑1104
- 50 Dodge St, Suite 104Beverly, MA 01915 (978) 922‑2171
Group practices
Medicare enrollment lists Mark S. Clark as a member of this group (CMS data updated 2026-10-02).
- Urgent Care Operations PC41 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in North Andover
Clinicians with the same Medicare primary specialty in North Andover, MA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235115213 |
| 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
- 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