NPPES file of Aug 9, 2026

Meghan O'Neill, PA-C

Medical Physician Assistant · Stony Brook, NY

Meghan O'Neill, PA-C is a medical physician assistant with a practice address in Stony Brook, New York, and NPI 1154725497, issued on Oct 15, 2014. Check the license (New York 018121-1, 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
1154725497
Name
Meghan O'Neill
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
018121-1 NY
Self-reported in NPPES; status is on the state search
Practice location
101 Nicolls RD, Stony Brook, NY 11794
Phone
(631) 444-2478
Enumerated
Oct 15, 2014
Record last updated
Feb 24, 2023
Medicaid ID
04158389 NY
Medicare enrollment
Enrolled (PECOS I20151013000475); 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 101 Nicolls RD

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

  1. Arshia Aalami Harandi, MD, MSStudent in an Organized Health Care Education/Training Program1033810627
  2. Sadia Abbasi, MDInternal Medicine Physician1740442698
  3. Alan Abboud, MDStudent in an Organized Health Care Education/Training Program1891498531
  4. Verona AbdelmesehStudent in an Organized Health Care Education/Training Program1558926022
  5. Rula Abdulrahman, M.D.Nephrology Physician1790180776
  6. Dua AbedeenStudent in an Organized Health Care Education/Training Program1457153934

Verify Meghan O'Neill 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 018121-1
    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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89% fewer Medicare Part D claims than the average medical physician assistant in 2024

123 Medicare Part D claims for 87 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Meghan O'Neill123
  2. Specialty average1,148

Most prescribed

  1. Cephalexin12 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

  1. North Shore Lij Urgent Care PCLake Grove, NY

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

Meghan O'Neill among 3,670 medical physician assistant records in New York

Meghan O'Neill, PA-C 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 2014, is newer than 56% of them.

  • NPI issued2014 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2014 · median 2014 among the 1,802 with a school on file
  • Record last updated2023 · 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.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Lawrence Almanzar, PA-CStony Brook, NY 117941083262083
  2. Lenore Bonanno, MS, PAStony Brook, NY 117941750554515
  3. Maria Difiore, P.A.Stony Brook, NY 117941427358563
  4. Marlo Dombroff, PAStony Brook, NY 117941013174861
  5. Christine Dwyer, PHYSICIAN ASSISTANTStony Brook, NY 117941003250622
  6. Kayla Laurelli, PAStony Brook, NY 117941083322127
  7. Bridget Pellegrini, RPACStony Brook, NY 117941619140738
  8. Dona Pellegrino, PAStony Brook, NY 117941518127018

Common questions

What is Meghan O'Neill, PA-C's NPI number?

Meghan O'Neill, PA-C's National Provider Identifier (NPI) is 1154725497, issued on Oct 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Meghan O'Neill, PA-C located?

The NPPES record lists a practice address at 101 Nicolls RD, Stony Brook, NY, 11794. Phone: (631) 444-2478. Providers update this record themselves, so call before visiting.

How can I verify Meghan O'Neill, PA-C's license?

NPPES lists New York license number 018121-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Meghan O'Neill, PA-C prescribe under Medicare Part D?

In 2024, Meghan O'Neill, PA-C had 123 Medicare Part D claims for 87 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.