NPPES file of Aug 9, 2026

Ciaran O'Brien, MD

Vascular Surgery Physician · Camden, NJ

Ciaran O'Brien, MD is a vascular surgery physician with a practice address in Camden, New Jersey, and NPI 1548624877, issued on Apr 12, 2016. Check the license (New Jersey 25MA12786300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1548624877
Name
Ciaran O'Brien
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
25MA12786300 NJ
MD467241 PA
MT210656 PA
Self-reported in NPPES; status is on the state search
Practice location
1 Cooper Plz, Camden, NJ 08103
Phone
(856) 342-2000
Enumerated
Apr 12, 2016
Record last updated
Aug 18, 2025
Medicare enrollment
Enrolled (PECOS I20250902000911); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2016
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 1 Cooper Plz

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

  1. Rebecca Abbott, MDStudent in an Organized Health Care Education/Training Program1811828015
  2. Mai Abd Alqader, MDHospitalist Physician1487001848
  3. Wael Abdalla, MDDiagnostic Radiology Physician1649458431
  4. Brittani Abele, APNAcute Care Nurse Practitioner1669029856
  5. Alain Abi-Ghanem, M.D.Diagnostic Radiology Physician1659534964
  6. Ahmed Abou Hussein, M.D.Hematology & Oncology Physician1841502275

Verify Ciaran O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA12786300
    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
Open the New Jersey license search

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84% fewer Medicare Part D claims than the average vascular surgery physician in 2024

33 Medicare Part D claims for 19 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Ciaran O'Brien33
  2. Specialty average201

Most prescribed

  1. Clopidogrel16 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.

Industry payments in 2024: $2,827.97

27 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ciaran O'Brien$2,827.97
  2. Specialty average$6,178.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cooper Surgical Associates, PACamden, NJ

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

Ciaran O'Brien among 191 vascular surgery physician records in New Jersey

Ciaran O'Brien, MD is one of 191 vascular surgery physician records with a practice address in New Jersey. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 85% of them.

  • NPI issued2016 · 85% of these records are older, 8% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2016 · median 1999 among the 150 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in New Jersey

There are 191 vascular surgery physician records in New Jersey.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. James Alexander, MDCamden, NJ 081031649366956
  2. Nadia Awad, M.D.Camden, NJ 081031205065695
  3. Philip Batista, M.D.Camden, NJ 081031811216419
  4. Jeffrey Carpenter, MDCamden, NJ 081031528096625
  5. Laurel Hastings, MDCamden, NJ 081031821330093
  6. Kent Haas, M.D.Woodbury, NJ 080961528089018
  7. Timothy Pilla, M.D.Woodbury, NJ 080961023019312
  8. Robert Villare, MDWoodbury, NJ 080961124012273

Common questions

What is Ciaran O'Brien, MD's NPI number?

Ciaran O'Brien, MD's National Provider Identifier (NPI) is 1548624877, issued on Apr 12, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ciaran O'Brien, MD located?

The NPPES record lists a practice address at 1 Cooper Plz, Camden, NJ, 08103. Phone: (856) 342-2000. Providers update this record themselves, so call before visiting.

How can I verify Ciaran O'Brien, MD's license?

NPPES lists New Jersey license number 25MA12786300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ciaran O'Brien, MD prescribe under Medicare Part D?

In 2024, Ciaran O'Brien, MD had 33 Medicare Part D claims for 19 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.