NPPES file of Aug 9, 2026

John O'Brien, P.A.

Physician Assistant · Bronx, NY

John O'Brien, P.A. is a physician assistant with a practice address in Bronx, New York, and NPI 1750713186, issued on Aug 8, 2013. Check the license (New York 016813, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750713186
Name
John O'Brien
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
016813 NY
Self-reported in NPPES; status is on the state search
Practice location
1400 Pelham Pkwy S, Bronx, NY 10461
Phone
(718) 918-5000
Enumerated
Aug 8, 2013
Record last updated
Aug 8, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160707001369); 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 1400 Pelham Pkwy S

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

  1. Andrea Aaron, PAPhysician Assistant1427103555
  2. Jacobo AbadiPediatrics Physician1710064001
  3. Maria Abadi, M.D.Anatomic Pathology Physician1376612549
  4. Daniel AbaiClinical Social Worker1356046544
  5. Blanca Zita Abapo, PTPhysical Therapist1548323462
  6. Hala Abbas, PAPhysician Assistant1558909697

Verify John O'Brien 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 016813
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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86% fewer Medicare Part D claims than the average physician assistant in 2024

113 Medicare Part D claims for 60 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. John O'Brien113
  2. Specialty average830

Most prescribed

  1. Methocarbamol25 claims
  2. Celecoxib13 claims
  3. Gabapentin12 claims
  4. Oxycodone Hcl12 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 practice group's MIPS final score for 2023 (Medicare payment program): 72.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score61.3
  2. Costout of 100 · 30%47.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Seton Family OF DoctorsAustin, TX

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

John O'Brien among 15,555 physician assistant records in New York

John O'Brien, P.A. is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 34% of them.

  • NPI issued2013 · 34% of these records are older, 63% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2013 · median 2018 among the 8,158 with a school on file
  • Record last updated2013 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,014 physician assistant records list a practice address in Bronx

They are 1,014 of the 32,017 NPPES records with a practice address in Bronx, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Sanford Abramson, PABronx, NY 104611962506287
  2. Zehra Ahmed, PABronx, NY 104611871697193
  3. Michelle Alexis, PABronx, NY 104611861582769
  4. Teresa Berardi, PABronx, NY 104611346333580
  5. Derrick Birmingham, RPABronx, NY 104611952336380
  6. Theresa Capra, PABronx, NY 104611457456162
  7. Patricia Cremins, RPA-CBronx, NY 104611063506020
  8. Karen Fragano, PABronx, NY 104611861582736

Common questions

What is John O'Brien, P.A.'s NPI number?

John O'Brien, P.A.'s National Provider Identifier (NPI) is 1750713186, issued on Aug 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is John O'Brien, P.A. located?

The NPPES record lists a practice address at 1400 Pelham Pkwy S, Bronx, NY, 10461. Phone: (718) 918-5000. Providers update this record themselves, so call before visiting.

How can I verify John O'Brien, P.A.'s license?

NPPES lists New York license number 016813, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does John O'Brien, P.A. prescribe under Medicare Part D?

In 2024, John O'Brien, P.A. had 113 Medicare Part D claims for 60 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is John O'Brien, P.A.'s MIPS final score?

The 2023 MIPS final score is 72.5 of 100, reported for the practice group. 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.