Matthew Gerard Masiello, PA-C
Physician Assistant · Stony Brook, NY
Matthew Gerard Masiello, PA-C is a physician assistant with a practice address in Stony Brook, New York, and NPI 1679943666, issued on Oct 2, 2015. Check the license (New York 019148, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Gerard Masiello
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 019148 NY
Self-reported in NPPES; status is on the state search - Practice location
- Stony Brook Univ Hosp Dept OF E M, Stony Brook, NY 11794
- Phone
- (516) 695-8831
- Enumerated
- Oct 2, 2015
- Record last updated
- Jun 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160921000065); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at Stony Brook Univ Hosp Dept OF E M
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Bulzomi, PA-CPhysician Assistant1558785816
Verify Matthew Gerard Masiello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 019148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average physician assistant in 2024
194 Medicare Part D claims for 123 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Prednisone25 claims
- Cephalexin22 claims
- Amoxicillin-Clavulanate Potass17 claims
- Albuterol Sulfate Hfa16 claims
- Azithromycin16 claims
- Fluticasone Propionate12 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.
Bills Medicare through one group practice
- LI Urgent Care PCWest Babylon, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Gerard Masiello among 15,555 physician assistant records in New York
Matthew Gerard Masiello, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 40% of them.
- NPI issued2015 · 40% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 2018 among the 8,158 with a school on file
- Record last updated2016 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
128 physician assistant records list a practice address in Stony Brook
They are 128 of the 3,053 NPPES records with a practice address in Stony Brook, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Stony Brook → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robert Ansbach, R.P.A.-CStony Brook, NY 117941326041260
- Ricardo Aranguren, P.A.Stony Brook, NY 117941154357879
- Bryan Bobrowsky, P.A.Stony Brook, NY 117941720017031
- Colleen Calandra, P.A.Stony Brook, NY 117941215990593
- Scott CarterStony Brook, NY 117941730279779
- Dennis Duffy, P.A.Stony Brook, NY 117941932136447
- Karen Dybus, RPAStony Brook, NY 117941255334363
- Scott Marchini, P.A.Stony Brook, NY 117941255369401
Common questions
What is Matthew Gerard Masiello, PA-C's NPI number?
Matthew Gerard Masiello, PA-C's National Provider Identifier (NPI) is 1679943666, issued on Oct 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Gerard Masiello, PA-C located?
The NPPES record lists a practice address at Stony Brook Univ Hosp Dept OF E M, Stony Brook, NY, 11794. Phone: (516) 695-8831. Providers update this record themselves, so call before visiting.
How can I verify Matthew Gerard Masiello, PA-C's license?
NPPES lists New York license number 019148, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Gerard Masiello, PA-C prescribe under Medicare Part D?
In 2024, Matthew Gerard Masiello, PA-C had 194 Medicare Part D claims for 123 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.