Alison M. Fassnacht, PA-C
Physician Assistant · Nantucket, MA
Alison M. Fassnacht, PA-C is a physician assistant with a practice address in Nantucket, Massachusetts, and NPI 1740598861, issued on Sep 23, 2010. Check the license (Massachusetts PA100318, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alison M. Fassnacht
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA100318 MA
014439 NY
Self-reported in NPPES; status is on the state search - Practice location
- 57 Prospect St Unit 1, Nantucket, MA 02554
- Phone
- (516) 906-9336
- Enumerated
- Sep 23, 2010
- Record last updated
- Apr 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20240411004240); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 57 Prospect St Unit 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alison M. Fassnacht in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA100318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
38 Medicare Part D claims for 22 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $131.43
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Nantucket Cottage HospitalNantucket, MA · Acute Care Hospitals3 of 5 stars
- Nantucket Physicians OrganizationNantucket, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Alison M. Fassnacht among 4,713 physician assistant records in Massachusetts
Alison M. Fassnacht, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 22% of them.
- NPI issued2010 · 22% of these records are older, 76% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2019 among the 3,217 with a school on file
- Record last updated2024 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 physician assistant records list a practice address in Nantucket
They are 5 of the 198 NPPES records with a practice address in Nantucket, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Nantucket → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Maria Carey, PA-CNantucket, MA 025541518061910
- Jayne Culkins, PANantucket, MA 025541811053366
- Michaela HallerNantucket, MA 025541912589870
- Tayla Spezzano, PA-SNantucket, MA 025541467262055
- Kerri LiskaNorth Falmouth, MA 025561508312562
- Sarah Orciuch, PA-CNorth Falmouth, MA 025561285065144
- Kathleen Briody, PAOak Bluffs, MA 025571346397692
- Jamie MurtaughOak Bluffs, MA 025571588106421
Common questions
What is Alison M. Fassnacht, PA-C's NPI number?
Alison M. Fassnacht, PA-C's National Provider Identifier (NPI) is 1740598861, issued on Sep 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Alison M. Fassnacht, PA-C located?
The NPPES record lists a practice address at 57 Prospect St Unit 1, Nantucket, MA, 02554. Phone: (516) 906-9336. Providers update this record themselves, so call before visiting.
How can I verify Alison M. Fassnacht, PA-C's license?
NPPES lists Massachusetts license number PA100318, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Alison M. Fassnacht, PA-C prescribe under Medicare Part D?
In 2024, Alison M. Fassnacht, PA-C had 38 Medicare Part D claims for 22 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.