Quick answers
- Which hospitals does Kirk J. Macnaught work at?
- Medicare's official clinician data lists Kirk J. Macnaught at 2 hospitals: Lowell General Hospital and Tufts Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kirk J. Macnaught see patients?
- Medicare's clinician data lists 1 practice location in North Chelmsford, MA. Call before your visit to confirm the address.
- What is Kirk J. Macnaught's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Kirk J. Macnaught accept Medicare assignment?
- Yes. Medicare's clinician data says Kirk J. Macnaught 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 Kirk J. Macnaught?
- (978) 256-6607, as listed in official Medicare / NPI Registry data.
- What is Kirk J. Macnaught's NPI number?
- 1043267636. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kirk J. Macnaught works
Medicare's Facility Affiliation Data lists Kirk J. Macnaught at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
- Tufts Medical CenterBoston, MA · Acute Care Hospital · CCN 220116
Practice locations
Addresses where Kirk J. Macnaught is enrolled with Medicare (CMS data updated 2026-10-02).
- 14 Research Pl, Suite 3North Chelmsford, MA 01863 (978) 256‑6607
Group practices
Medicare enrollment lists Kirk J. Macnaught as a member of this group (CMS data updated 2026-10-02).
- LGH Merrimack Valley Cardiology Associates, LLC22 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in Massachusetts →
Other interventional cardiologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043267636 |
| 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