Dermatology
Dr. MICHAEL HORWICH MD, PhD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1538470976 · enumerated 2010-06-30 · record updated 2025-06-12. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 526 MAIN ST STE 302, ACTON, MA, 01720-3301 (978) 371-7010 Fax (978) 371-0522 Google Maps Apple Maps OpenStreetMap
- Practice location 29B COTTAGE ST, AMHERST, MA, 01002-1206 (413) 549-7400 Fax (413) 549-7402 Google Maps Apple Maps OpenStreetMap
Specialties
- Dermatology 207N00000X · Primary · License 258156 MA
In this directory
Locations and evidence
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Practice location
AMHERST, MA, 010021206
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.