James P. O'Brien, PA
Physician Assistant · Farmington, NY
James P. O'Brien, PA is a physician assistant with a practice address in Farmington, New York, and NPI 1184826018, issued on Jun 4, 2007. Check the license (New York 003182, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James P. O'Brien
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 003182 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1160 Corporate Dr, Farmington, NY 14425
- Phone
- (585) 924-1510
- Enumerated
- Jun 4, 2007
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20091207000569); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1160 Corporate Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Carlson, M.D.Occupational Medicine Physician1154478113
- Jennifer Colella, PTPhysical Therapist1801431663
- Kaydean Harris, FNP-BCFamily Nurse Practitioner1760964894
- John Manfred, MDInternal Medicine Physician1922111707
- Kara Martin, PA-CPhysician Assistant1184261372
- Katie McCool, FNP-CFamily Nurse Practitioner1811614670
Verify James P. O'Brien 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 003182Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
161 Medicare Part D claims for 115 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Fluticasone Propionate29 claims
- Doxycycline Hyclate21 claims
- Prednisone17 claims
- Azithromycin15 claims
- Nitrofurantoin Mono-Macro14 claims
- Amoxicillin-Clavulanate Potass13 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): 86.6 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).
3 physician assistant records list a practice address in Farmington
They are 3 of the 95 NPPES records with a practice address in Farmington, and 15,555 physician assistant records in New York.
All 3 in Farmington → All 15,555 in New York → Every provider in Farmington →
Other physician assistant records in New York
- Brynn Aakjar, P.A.Yonkers, NY1447592456
- Andrea Aaron, PABronx, NY1427103555
- Gabriella AaronCentral Islip, NY1790605376
- Danielle AaronsSmithtown, NY1881207520
- John AbadeerBrooklyn, NY1801434949
- Zenebou Abalo-Toga, PANew York, NY1124556154
- Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
- Clarisse AbanillaNew York, NY1598445579
- Vincent Abanilla, PA-CBrooklyn, NY1366201808
- Marie Abate, PA-CValhalla, NY1285225524
Common questions
What is James P. O'Brien, PA's NPI number?
James P. O'Brien, PA's National Provider Identifier (NPI) is 1184826018, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James P. O'Brien, PA located?
The NPPES record lists a practice address at 1160 Corporate Dr, Farmington, NY, 14425. Phone: (585) 924-1510. Providers update this record themselves, so call before visiting.
How can I verify James P. O'Brien, PA's license?
NPPES lists New York license number 003182, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does James P. O'Brien, PA prescribe under Medicare Part D?
In 2024, James P. O'Brien, PA had 161 Medicare Part D claims for 115 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is James P. O'Brien, PA's MIPS final score?
The 2023 MIPS final score is 86.6 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.