AMANDA IRENE DIFFIN (PA-C) – Physician Assistant, NPI 1710547385
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,093 PHYSICIAN ASSISTANT in MA
Provider Addresses for AMANDA IRENE DIFFIN (PA-C)
100 HOSPITAL RD STE 4
LEOMINSTER, MA 014532253
Phone: (978) 514-6300
Type: Mailing
98, Fitch Road, Clinton, Worcester County, Massachusetts, 01510, United States
LANCASTER, MA 015231706
Phone: (978) 835-9927
Type: Mailing
85, Patton Road, Devens, Harvard, Worcester County, Massachusetts, 01434, United States
DEVENS, MA 014344401
Phone: (978) 615-5200
Type: Location
87 N Main St
Leominster, MA 014535507
Phone: (978) 534-8701
Type: Location
87 N MAIN ST
LEOMINSTER, MA 014535507
Phone: (978) 534-8701
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $444.
Total Amount is formed as General ($444) + Research ($0) + Ownership ($0) = $444.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Corium, LLC ($108).
Total Amount
$444
General + Research + Ownership
Payments
25
Total payment records
General Amount
$444
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Corium, LLC | $108 |
| PFIZER INC. | $40 |
| Exact Sciences Corporation | $37 |
| Astellas Pharma US Inc | $33 |
| Axsome Therapeutics, Inc. | $30 |
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: 2019-11-04
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 |
|---|---|---|---|---|
| I20191104002595 | I | Physician Assistant | 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 01453)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| - | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Family Practice | MA |
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