Robert J. Mascarelli, PHYSICIAN ASSISTANT
Surgical Physician Assistant · Rockville Centre, NY
Robert J. Mascarelli, PHYSICIAN ASSISTANT is a surgical physician assistant with a practice address in Rockville Centre, New York, and NPI 1932145687, issued on Jun 21, 2006. Check the license (New York 008855-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert J. Mascarelli
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 008855-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Merrick RD, Rockville Centre, NY 11570
- Phone
- (516) 255-9031
- Enumerated
- Jun 21, 2006
- Record last updated
- Jan 6, 2022
- Fax
- (616) 255-6010
- Medicare enrollment
- Enrolled (PECOS I20060907000050); may accept Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 100 Merrick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Brisman, M.D.Specialist1255355475
- Jeffrey Brown, M.D.Specialist1558384297
- Vladimir Dadashev, MDNeurological Surgery Physician1366626277
- Nicole Ferrantelli, PASurgical Physician Assistant1912158809
- Bari Lawner, LCSWClinical Social Worker1811539364
- Stephen Onesti, M.D.Neurological Surgery Physician1114912458
Verify Robert J. Mascarelli 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 008855-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average surgical physician assistant in 2024
28 Medicare Part D claims, against an average of 304 among the 10,174 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- North Shore-Lij Medical PCHuntington, NY
- Physician Assistant Associate PLLCWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
21 surgical physician assistant records list a practice address in Rockville Centre
They are 21 of the 1,340 NPPES records with a practice address in Rockville Centre, and 2,152 surgical physician assistant records in New York.
All 21 in Rockville Centre → All 2,152 in New York → Every provider in Rockville Centre →
Other surgical physician assistant records in New York
- Katrina Abdalla, PAUtica, NY1669722500
- Bahgat Abdelaziz, P.A.Auburn, NY1356394761
- Nasir Abdul-Wadud, PASyracuse, NY1033357371
- Ismail Abdul-Wahid, PA-CBrooklyn, NY1124656350
- Anat Abeckaser, PABrooklyn, NY1265608202
- Faiz AbedStaten Island, NY1053933143
- Ellina Abkin, PA-CBrooklyn, NY1134386717
- Fayrose Abodeshisha, RPA-CNew York, NY1245482413
- Richard Abraham, PA-CEast Setauket, NY1912013046
- Tracy Abraham, PABronx, NY1124241872
Common questions
What is Robert J. Mascarelli, PHYSICIAN ASSISTANT's NPI number?
Robert J. Mascarelli, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1932145687, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Mascarelli, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 100 Merrick RD, Rockville Centre, NY, 11570. Phone: (516) 255-9031. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Mascarelli, PHYSICIAN ASSISTANT's license?
NPPES lists New York license number 008855-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Robert J. Mascarelli, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Robert J. Mascarelli, PHYSICIAN ASSISTANT had 28 Medicare Part D claims; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Robert J. Mascarelli, PHYSICIAN ASSISTANT's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.