DR. MICHAEL D HORWICH (MD, PHD) – Dermatology Physician, NPI 1538470976
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
744 DERMATOLOGY in MA
Provider Addresses for DR. MICHAEL D HORWICH (MD, PHD)
3455 MAIN ST STE 5
NEW ENGLAND DERMATOLOGY & LASER CENTER
SPRINGFIELD, MA 011071147
Phone: (413) 733-9600
Fax: (413) 732-6534
Type: Mailing
29B COTTAGE ST
AMHERST, MA 010021206
Phone: (413) 549-7400
Fax: (413) 549-7402
Type: Location
526 MAIN ST STE 302
ACTON, MA 017203301
Phone: (978) 371-7010
Fax: (978) 371-0522
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2014-07-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20140725000446 | I | Dermatology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 01107)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| D E R M A T O L O G Y | MA | |
| Nurse Practitioner | MA | |
| D E R M A T O L O G Y | MA | |
| D E R M A T O L O G Y | MA |
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