Quick answers
- Which hospitals does Mark P. Gilligan work at?
- Medicare's official clinician data lists Mark P. Gilligan at 3 hospitals: Lahey Hospital & Medical Center, Burlington, Northeast Hospital Corporation and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark P. Gilligan see patients?
- Medicare's clinician data lists 3 practice locations, including Peabody, MA and Burlington, MA. Call before your visit to confirm the address.
- What is Mark P. Gilligan's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark P. Gilligan accept Medicare assignment?
- Yes. Medicare's clinician data says Mark P. Gilligan 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 P. Gilligan offer telehealth?
- Medicare's clinician data says Mark P. Gilligan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark P. Gilligan?
- (978) 538-4000, as listed in official Medicare / NPI Registry data.
- What is Mark P. Gilligan's NPI number?
- 1811922917. 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 P. Gilligan works
Medicare's Facility Affiliation Data lists Mark P. Gilligan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · CCN 220171
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Mark P. Gilligan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Essex Ctr DrPeabody, MA 01960 (978) 538‑4000
- 29 Mall RdBurlington, MA 01805
- 41 Mall RdBurlington, MA 01805
Group practices
Medicare enrollment lists Mark P. Gilligan as a member of this group (CMS data updated 2026-10-02).
- Lahey Clinic Inc1,381 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Peabody
Clinicians with the same Medicare primary specialty in Peabody, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Warren Alpert Medical School Of Brown University |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811922917 |
| 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