Madison Mari O'Neill, PA-C
Physician Assistant · Burlington, MA
Madison Mari O'Neill, PA-C is a physician assistant with a practice address in Burlington, Massachusetts, and NPI 1487261475, issued on Sep 24, 2020. Check the license (Massachusetts PA8394, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Madison Mari O'Neill
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA8394 MA
Self-reported in NPPES; status is on the state search - Practice location
- 41 Mall RD, Burlington, MA 01805
- Phone
- (781) 744-8000
- Enumerated
- Sep 24, 2020
- Record last updated
- Nov 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20211124000866); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 41 Mall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Adler, PAPhysician Assistant1972848463
- Tinamarie Adly, NPFamily Nurse Practitioner1154041572
Verify Madison Mari O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA8394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
34 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 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): 91.4 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 one group practice
- Dana-Farber Cancer Institute, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Madison Mari O'Neill among 4,713 physician assistant records in Massachusetts
Madison Mari O'Neill, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · median 2019 among the 3,217 with a school on file
- Record last updated2023 · 38% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 physician assistant records list a practice address in Burlington
They are 154 of the 2,620 NPPES records with a practice address in Burlington, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Burlington → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Melissa Bowman, PA-CBurlington, MA 018051619067303
- Robin Childress, PABurlington, MA 018051083702666
- Kelly Ciccone, PA-CBurlington, MA 018051710054713
- Jean Fischer, PA-CBurlington, MA 018051407821358
- Eric Horton, PABurlington, MA 018051629032511
- Meredith Johnson, PACBurlington, MA 018051306940515
- Andreana Kosinski, PABurlington, MA 018051730270208
- Amy Laliberte, PA-CBurlington, MA 018051598718645
Common questions
What is Madison Mari O'Neill, PA-C's NPI number?
Madison Mari O'Neill, PA-C's National Provider Identifier (NPI) is 1487261475, issued on Sep 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Madison Mari O'Neill, PA-C located?
The NPPES record lists a practice address at 41 Mall RD, Burlington, MA, 01805. Phone: (781) 744-8000. Providers update this record themselves, so call before visiting.
How can I verify Madison Mari O'Neill, PA-C's license?
NPPES lists Massachusetts license number PA8394, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Madison Mari O'Neill, PA-C prescribe under Medicare Part D?
In 2024, Madison Mari O'Neill, PA-C had 34 Medicare Part D claims for 14 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Madison Mari O'Neill, PA-C's MIPS final score?
The 2023 MIPS final score is 91.4 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.