Quick answers
- Which hospitals does Ivan Lesyuk work at?
- Medicare's official clinician data lists Ivan Lesyuk at 2 hospitals: Holy Family Hospital and Merrimack Health Lawrence Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ivan Lesyuk see patients?
- Medicare's clinician data lists 3 practice locations, including Concord, MA, Dartmouth, MA and Lowell, MA. Call before your visit to confirm the address.
- What is Ivan Lesyuk's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Ivan Lesyuk accept Medicare assignment?
- Yes. Medicare's clinician data says Ivan Lesyuk 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 Ivan Lesyuk?
- (978) 287-8480, as listed in official Medicare / NPI Registry data.
- What is Ivan Lesyuk's NPI number?
- 1790978484. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ivan Lesyuk works
Medicare's Facility Affiliation Data lists Ivan Lesyuk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holy Family HospitalMethuen, MA · Acute Care Hospital · CCN 220080
- Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · CCN 220010
Practice locations
Addresses where Ivan Lesyuk is enrolled with Medicare (CMS data updated 2026-10-02).
- 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑8480
- 300 C Faunce Corner RdDartmouth, MA 02747 (508) 679‑3131
- 33 Bartlett St, Suite 203Lowell, MA 01852 (978) 689‑4601
Group practices
Medicare enrollment lists Ivan Lesyuk as a member of these groups (CMS data updated 2026-10-02).
- Lowell Anesthesiology Service Inc101 clinicians in the group
- Emerson Practice Associates II, Inc50 clinicians in the group
- North American Partners in Anesthesia Massachusetts LLC35 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Concord
Clinicians with the same Medicare primary specialty in Concord, MA — not a recommendation.
Clinician information
| Graduation year | 2007 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790978484 |
| 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