Quick answers
- Which hospitals does Donald S. Marks work at?
- Medicare's official clinician data lists Donald S. Marks at 1 hospital: Nantucket Cottage Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Donald S. Marks see patients?
- Medicare's clinician data lists 1 practice location in Nantucket, MA. Call before your visit to confirm the address.
- What is Donald S. Marks's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Donald S. Marks accept Medicare assignment?
- Yes. Medicare's clinician data says Donald S. Marks 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 Donald S. Marks?
- (508) 825-8100, as listed in official Medicare / NPI Registry data.
- What is Donald S. Marks's NPI number?
- 1982680740. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Donald S. Marks works
Medicare's Facility Affiliation Data lists Donald S. Marks at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Nantucket Cottage HospitalNantucket, MA · Acute Care Hospital · CCN 220177
Practice locations
Addresses where Donald S. Marks is enrolled with Medicare (CMS data updated 2026-10-02).
- 57 Prospect StNantucket, MA 02554 (508) 825‑8100
Group practices
Medicare enrollment lists Donald S. Marks as a member of this group (CMS data updated 2026-10-02).
- Nantucket Cottage Hospital87 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982680740 |
| 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