Quick answers
- Which hospitals does Mark Spencer work at?
- Medicare's official clinician data lists Mark Spencer at 3 hospitals: Baystate Medical Center, Mercy Medical Ctr and St Francis Hospital & Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Spencer see patients?
- Medicare's clinician data lists 2 practice locations, including Hartford, CT and Springfield, MA. Call before your visit to confirm the address.
- What is Mark Spencer's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Mark Spencer accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Spencer 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.
- Does Mark Spencer offer telehealth?
- Medicare's clinician data says Mark Spencer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Spencer?
- (860) 714-6654, as listed in official Medicare / NPI Registry data.
- What is Mark Spencer's NPI number?
- 1508818097. 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 Spencer works
Medicare's Facility Affiliation Data lists Mark Spencer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baystate Medical CenterSpringfield, MA · Acute Care Hospital · CCN 220077
- Mercy Medical CtrSpringfield, MA · Acute Care Hospital · CCN 220066
- St Francis Hospital & Medical CenterHartford, CT · Acute Care Hospital · CCN 070002
Practice locations
Addresses where Mark Spencer is enrolled with Medicare (CMS data updated 2026-10-02).
- 114 Woodland StHartford, CT 06105 (860) 714‑6654
- 271 Carew StSpringfield, MA 01104 (860) 714‑9688
Group practices
Medicare enrollment lists Mark Spencer as a member of this group (CMS data updated 2026-10-02).
- Woodland Anesthesia Associates PC174 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Hartford
Clinicians with the same Medicare primary specialty in Hartford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508818097 |
| 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