NPPES file of Aug 9, 2026

Alyssa L. Marsillo, P.A.

Medical Physician Assistant · West Seneca, NY

Alyssa L. Marsillo, P.A. is a medical physician assistant with a practice address in West Seneca, New York, and NPI 1568802692, issued on Jul 3, 2013. Check the license (New York 016597, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568802692
Name
Alyssa L. Marsillo
Credential
P.A.
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
016597 NY
Self-reported in NPPES; status is on the state search
Practice location
3030 Orchard Park RD, West Seneca, NY 14224
Phone
(716) 671-2507
Enumerated
Jul 3, 2013
Record last updated
Apr 28, 2023
Fax
(716) 271-2508
Medicare enrollment
Enrolled (PECOS I20131004000435); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3030 Orchard Park RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tammy Achkar, L.M.T.Massage Therapist1962649921
  2. Rachael Bogumil, LMTMassage Therapist1932363348
  3. Peter Derose, D.D.S.General Practice Dentistry1407058407
  4. Lauren Hill, PA-CPhysician Assistant1649612573
  5. Johanna MorawskiMassage Therapist1447574017
  6. Dorothy Trubish, MDSpecialist1295817369

Verify Alyssa L. Marsillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 016597
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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4% fewer Medicare Part D claims than the average medical physician assistant in 2024

1,106 Medicare Part D claims for 225 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Alyssa Marsillo1,106
  2. Specialty average1,148

Most prescribed

  1. Methotrexate177 claims
  2. Hydroxychloroquine Sulfate147 claims
  3. Prednisone134 claims
  4. Humira(Cf) Pen66 claims
  5. Orencia Clickject44 claims
  6. Pantoprazole Sodium39 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: $41.08

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alyssa Marsillo$41.08
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Erie County Medical Center CorporationBuffalo, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

13 medical physician assistant records list a practice address in West Seneca

They are 13 of the 1,175 NPPES records with a practice address in West Seneca, and 3,670 medical physician assistant records in New York.

Other medical physician assistant records in New York

  1. Yesid Abad, PA CNew York, NY1205951399
  2. Stella Abayeva, P.A.Forest Hills, NY1124326467
  3. Amina Abdela, PA-CLatham, NY1891452496
  4. Hanan Abdelrahman, PA-CBrooklyn, NY1316348204
  5. Marwa AbdoAstoria, NY1467001081
  6. Avinell Abdool, PA-CBrooklyn, NY1558848572
  7. Devon AbeleMassapequa Park, NY1255817672
  8. Emily Abercrombie, P.A. - CNew York, NY1043601677
  9. Mandy Abram, RPA-CWilliamsville, NY1447547310
  10. Orchidea Abramowicz, RPA-CNew York, NY1396043188

Common questions

What is Alyssa L. Marsillo, P.A.'s NPI number?

Alyssa L. Marsillo, P.A.'s National Provider Identifier (NPI) is 1568802692, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa L. Marsillo, P.A. located?

The NPPES record lists a practice address at 3030 Orchard Park RD, West Seneca, NY, 14224. Phone: (716) 671-2507. Providers update this record themselves, so call before visiting.

How can I verify Alyssa L. Marsillo, P.A.'s license?

NPPES lists New York license number 016597, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Alyssa L. Marsillo, P.A. prescribe under Medicare Part D?

In 2024, Alyssa L. Marsillo, P.A. had 1,106 Medicare Part D claims for 225 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.