Casey Anne Erelli, PA-C
Physician Assistant · Amherst, MA
Casey Anne Erelli, PA-C is a physician assistant with a practice address in Amherst, Massachusetts, and NPI 1700409893, issued on May 22, 2020. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Casey Anne Erelli
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 170 University Dr, Amherst, MA 01002
- Phone
- (413) 461-3530
- Enumerated
- May 22, 2020
- Record last updated
- Nov 1, 2022
- Fax
- (413) 461-3532
- Medicare enrollment
- Enrolled (PECOS I20200813002774); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 170 University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Casey Anne Erelli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average physician assistant in 2024
672 Medicare Part D claims for 157 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Levocetirizine Dihydrochloride63 claims
- Albuterol Sulfate Hfa54 claims
- Fluticasone Propionate50 claims
- Montelukast Sodium47 claims
- Arnuity Ellipta46 claims
- Azelastine Hcl40 claims
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: $2,060.20
114 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through 2 group practices
- Allergy And Immunology Associates OF New England LLCWilbraham, MA
- Pioneer Valley Allergy, LLCWestfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Casey Anne Erelli among 4,713 physician assistant records in Massachusetts
Casey Anne Erelli, 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 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2020 · median 2019 among the 3,217 with a school on file
- Record last updated2022 · 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).
12 physician assistant records list a practice address in Amherst
They are 12 of the 769 NPPES records with a practice address in Amherst, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Amherst → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michael Brown, PA-CAmherst, MA 010021770686859
- Hannah Colling, PA-CAmherst, MA 010021225983182
- Adam CorriveauAmherst, MA 010021295441954
- Blair Maerowitz, PA-CAmherst, MA 010021235107970
- Nora Mahoney, PA-CAmherst, MA 010021558996975
- Ashley Roberge, PA-CAmherst, MA 010021841081874
- Sarah Vacca, PA-CAmherst, MA 010021164082640
- Chalan Whelan, PA-CAmherst, MA 010021528984440
Common questions
What is Casey Anne Erelli, PA-C's NPI number?
Casey Anne Erelli, PA-C's National Provider Identifier (NPI) is 1700409893, issued on May 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Casey Anne Erelli, PA-C located?
The NPPES record lists a practice address at 170 University Dr, Amherst, MA, 01002. Phone: (413) 461-3530. Providers update this record themselves, so call before visiting.
How can I verify Casey Anne Erelli, PA-C's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Casey Anne Erelli, PA-C prescribe under Medicare Part D?
In 2024, Casey Anne Erelli, PA-C had 672 Medicare Part D claims for 157 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.