MS. ALISON M FASSNACHT (PA-C) – Physician Assistant, NPI 1740598861
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,091 PHYSICIAN ASSISTANT in MA
Provider Addresses for MS. ALISON M FASSNACHT (PA-C)
57 PROSPECT ST UNIT 1
NANTUCKET, MA 025544396
Phone: (516) 906-9336
Type: Mailing
1111 Franklin Avenue
Mineola, NY 11501
Phone: (516) 741-4138
Fax: (516) 294-4301
Type: Location
259 1st St
Mineola, NY 115013957
Phone: (516) 663-0333
Type: Location
10 HARBOUR RD
BABYLON, NY 117023304
Phone: (631) 661-4880
Type: Mailing
259 1ST ST
MINEOLA, NY 115013957
Phone: (516) 663-0333
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $450.
Total Amount is formed as General ($450) + Research ($0) + Ownership ($0) = $450.
Last reported payment date: 2024-02-16 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($131).
Total Amount
$450
General + Research + Ownership
Payments
6
Total payment records
General Amount
$450
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $131 |
| ABBVIE INC. | $121 |
| Sage Therapeutics, Inc. | $106 |
| Biogen, Inc. | $62 |
| Smith+Nephew, Inc. | $15 |
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: 2024-04-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20160607002110 | I | Physician Assistant | NY | TBD |
| I20240411004240 | 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 02554)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| - | CT | |
| Family Practice | MA | |
| General Surgery | MA | |
| D E R M A T O L O G Y | MA | |
| U R O L O G Y | MA | |
| U R O L O G Y | NH | |
| A N E S T H E S I O L O G Y | MA |
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