Quick answers
- Which hospitals does Mark Sprague work at?
- Medicare's official clinician data lists Mark Sprague at 5 hospitals: Berkshire Medical Center, Fairview Hospital, Johnson Memorial Hospital, Mercy Medical Ctr and North Adams Regional Hospital Corporation. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Sprague see patients?
- Medicare's clinician data lists 3 practice locations, including Enfield, CT and Springfield, MA. Call before your visit to confirm the address.
- What is Mark Sprague's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark Sprague accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Sprague 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 Sprague?
- (860) 714-2647, as listed in official Medicare / NPI Registry data.
- What is Mark Sprague's NPI number?
- 1003942699. 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 Sprague works
Medicare's Facility Affiliation Data lists Mark Sprague at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Berkshire Medical CenterPittsfield, MA · Acute Care Hospital · CCN 220046
- Fairview HospitalGreat Barrington, MA · Critical Access Hospital · CCN 221302
- Johnson Memorial HospitalStafford Springs, CT · Acute Care Hospital · CCN 070008
- Mercy Medical CtrSpringfield, MA · Acute Care Hospital · CCN 220066
- North Adams Regional Hospital CorporationNorth Adams, MA · Critical Access Hospital · CCN 221304
Practice locations
Addresses where Mark Sprague is enrolled with Medicare (CMS data updated 2026-10-02).
- 148 Hazard AveEnfield, CT 06082 (860) 714‑2647
- 175 Carew St, Suite 160Springfield, MA 01104 (413) 748‑7350
- 175 Carew St, Suite 250Springfield, MA 01104 (413) 748‑7350
Group practices
Medicare enrollment lists Mark Sprague as a member of these groups (CMS data updated 2026-10-02).
- Trinity Health of New England Provider Network Organization Inc653 clinicians in the group
- Riverbend Medical Group Inc226 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Enfield
Clinicians with the same Medicare primary specialty in Enfield, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003942699 |
| 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