Samantha Elizabeth O'Neil, PA-C
Physician Assistant · Worcester, MA
Samantha Elizabeth O'Neil, PA-C is a physician assistant with a practice address in Worcester, Massachusetts, and NPI 1659948362, issued on Jun 10, 2021. Check the license (Massachusetts PA8131, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samantha Elizabeth O'Neil
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA8131 MA
Self-reported in NPPES; status is on the state search - Practice location
- 281 Lincoln St, Worcester, MA 01605
- Phone
- (508) 334-5979
- Enumerated
- Jun 10, 2021
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211217001021); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 281 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samantha Elizabeth O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA8131Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average physician assistant in 2024
546 Medicare Part D claims for 286 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Fluorouracil140 claims
- Ketoconazole98 claims
- Triamcinolone Acetonide49 claims
- Clindamycin Phosphate43 claims
- Tretinoin36 claims
- Clobetasol Propionate29 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.
The MIPS final score for 2023 (Medicare payment program): 97 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
- Umass Memorial Medical Group IncWestborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samantha Elizabeth O'Neil among 4,713 physician assistant records in Massachusetts
Samantha Elizabeth O'Neil, 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 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 32% 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 updated2021 · 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).
425 physician assistant records list a practice address in Worcester
They are 425 of the 13,166 NPPES records with a practice address in Worcester, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Worcester → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- John Beauchesne, PACWorcester, MA 016051881767416
- Jessica Cosenza, PAWorcester, MA 016051992895189
- David Deary, P.A.Worcester, MA 016051578524948
- Albert Drexler, PAWorcester, MA 016051467431304
- Alice Fannin, PAWorcester, MA 016051649240896
- Natasha Fortier, PA-CWorcester, MA 016051326012345
- Lindsey Jolley, PA-CWorcester, MA 016051306811690
- Amy Kellogg, PAWorcester, MA 016051861402315
Common questions
What is Samantha Elizabeth O'Neil, PA-C's NPI number?
Samantha Elizabeth O'Neil, PA-C's National Provider Identifier (NPI) is 1659948362, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Samantha Elizabeth O'Neil, PA-C located?
The NPPES record lists a practice address at 281 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-5979. Providers update this record themselves, so call before visiting.
How can I verify Samantha Elizabeth O'Neil, PA-C's license?
NPPES lists Massachusetts license number PA8131, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Samantha Elizabeth O'Neil, PA-C prescribe under Medicare Part D?
In 2024, Samantha Elizabeth O'Neil, PA-C had 546 Medicare Part D claims for 286 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Samantha Elizabeth O'Neil, PA-C's MIPS final score?
The 2023 MIPS final score is 97 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.