Quick answers
- Which hospitals does Holly Michaelson work at?
- Medicare's official clinician data lists Holly Michaelson at 1 hospital: The Cooley Dickinson Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Holly Michaelson see patients?
- Medicare's clinician data lists 1 practice location in Northampton, MA. Call before your visit to confirm the address.
- What is Holly Michaelson's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Holly Michaelson accept Medicare assignment?
- Yes. Medicare's clinician data says Holly Michaelson 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 Holly Michaelson offer telehealth?
- Medicare's clinician data says Holly Michaelson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Holly Michaelson?
- (413) 584-4637, as listed in official Medicare / NPI Registry data.
- What is Holly Michaelson's NPI number?
- 1477513679. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Holly Michaelson works
Medicare's Facility Affiliation Data lists Holly Michaelson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · CCN 220015
Practice locations
Addresses where Holly Michaelson is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Atwood Dr, Suite 203Northampton, MA 01060 (413) 584‑4637
Group practices
Medicare enrollment lists Holly Michaelson as a member of this group (CMS data updated 2026-10-02).
- Mass General Brigham Medical Group Western Massachusetts Inc291 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Northampton
Clinicians with the same Medicare primary specialty in Northampton, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477513679 |
| 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