Maria Assunta Difiore, P.A.
Medical Physician Assistant · Stony Brook, NY
Maria Assunta Difiore, P.A. is a medical physician assistant with a practice address in Stony Brook, New York, and NPI 1427358563, issued on Oct 22, 2010. Check the license (New York 014416, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Assunta Difiore
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 014416 NY
Self-reported in NPPES; status is on the state search - Practice location
- 101 Nicolls RD, Stony Brook, NY 11794
- Phone
- (631) 444-2034
- Enumerated
- Oct 22, 2010
- Record last updated
- Sep 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20160413001322); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,670 in New York → Look up another NPI →
Also registered at 101 Nicolls RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arshia Aalami Harandi, MD, MSStudent in an Organized Health Care Education/Training Program1033810627
- Sadia Abbasi, MDInternal Medicine Physician1740442698
- Alan Abboud, MDStudent in an Organized Health Care Education/Training Program1891498531
- Verona AbdelmesehStudent in an Organized Health Care Education/Training Program1558926022
- Rula Abdulrahman, M.D.Nephrology Physician1790180776
- Dua AbedeenStudent in an Organized Health Care Education/Training Program1457153934
Verify Maria Assunta Difiore 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 014416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average medical physician assistant in 2024
237 Medicare Part D claims for 48 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Metoprolol Succinate36 claims
- Famotidine25 claims
- Amiodarone Hcl18 claims
- Furosemide15 claims
- Clopidogrel14 claims
- Oxycodone Hcl14 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: $172.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, 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.
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
- Stony Brook Surgical Associates University Faculty Practice CorporatiHampton Bays, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Assunta Difiore among 3,670 medical physician assistant records in New York
Maria Assunta Difiore, P.A. is one of 3,670 medical physician assistant records with a practice address in New York. 76% 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 39% of them.
- NPI issued2010 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2010 · median 2014 among the 1,802 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in New York
There are 3,670 medical physician assistant records in New York.
All 3,670 in New York → Every provider in Stony Brook → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Lawrence Almanzar, PA-CStony Brook, NY 117941083262083
- Lenore Bonanno, MS, PAStony Brook, NY 117941750554515
- Marlo Dombroff, PAStony Brook, NY 117941013174861
- Christine Dwyer, PHYSICIAN ASSISTANTStony Brook, NY 117941003250622
- Kayla Laurelli, PAStony Brook, NY 117941083322127
- Meghan O'Neill, PA-CStony Brook, NY 117941154725497
- Bridget Pellegrini, RPACStony Brook, NY 117941619140738
- Dona Pellegrino, PAStony Brook, NY 117941518127018
Common questions
What is Maria Assunta Difiore, P.A.'s NPI number?
Maria Assunta Difiore, P.A.'s National Provider Identifier (NPI) is 1427358563, issued on Oct 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Maria Assunta Difiore, P.A. located?
The NPPES record lists a practice address at 101 Nicolls RD, Stony Brook, NY, 11794. Phone: (631) 444-2034. Providers update this record themselves, so call before visiting.
How can I verify Maria Assunta Difiore, P.A.'s license?
NPPES lists New York license number 014416, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Assunta Difiore, P.A. prescribe under Medicare Part D?
In 2024, Maria Assunta Difiore, P.A. had 237 Medicare Part D claims for 48 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.