Quick answers
- Where does Michael D. Horwich see patients?
- Medicare's clinician data lists 1 practice location in Amherst, MA. Call before your visit to confirm the address.
- What is Michael D. Horwich's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Michael D. Horwich accept Medicare assignment?
- Yes. Medicare's clinician data says Michael D. Horwich 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 Michael D. Horwich?
- (978) 371-7010, as listed in official Medicare / NPI Registry data.
- What is Michael D. Horwich's NPI number?
- 1538470976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Michael D. Horwich is enrolled with Medicare (CMS data updated 2026-10-02).
- 29 B Cottage StAmherst, MA 01002 (978) 371‑7010
Group practices
Medicare enrollment lists Michael D. Horwich as a member of this group (CMS data updated 2026-10-02).
- Pioneer Valley Dermatology PC6 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Medical school | University Of Massachusetts Medical School |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538470976 |
| 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
- 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