NPPES file of Aug 9, 2026

Brendan M. O'Brien, M.D.

Otolaryngology Physician · Medford, NJ

Brendan M. O'Brien, M.D. is an otolaryngology physician with a practice address in Medford, New Jersey, and NPI 1225270978, issued on Mar 26, 2009. Check the license (New Jersey 25MA10227600, 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
1225270978
Name
Brendan M. O'Brien
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
25MA10227600 NJ
273735 NY
MD461499 PA
Self-reported in NPPES; status is on the state search
Practice location
103 Old Marlton Pike Ste 225, Medford, NJ 08055
Phone
(856) 576-5742
Enumerated
Mar 26, 2009
Record last updated
Feb 20, 2025
Fax
(856) 519-5457
Medicare enrollment
Enrolled (PECOS I20190912001299); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2009
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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Verify Brendan M. 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 25MA10227600    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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54% more Medicare Part D claims than the average otolaryngology physician in 2024

833 Medicare Part D claims for 361 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Brendan O'Brien833
  2. Specialty average541

Most prescribed

  1. Ipratropium Bromide205 claims
  2. Omeprazole92 claims
  3. Levocetirizine Dihydrochloride82 claims
  4. Fluticasone Propionate64 claims
  5. Famotidine61 claims
  6. Fluocinolone Acetonide Oil53 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: $17.00

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brendan O'Brien$17.00
  2. Specialty average$1,922.50

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. Ent And Allergy Associates LLPMedford, NJ

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

Otolaryngology Physician providers in New Jersey

There are 263 otolaryngology physician records in New Jersey.

All 263 in New Jersey → Every provider in Medford →

Other otolaryngology physician records in New Jersey

  1. Mena Abrahim, D.O.Bridgewater, NJ1457645707
  2. Jason AbramowitzParamus, NJ1265876197
  3. Stephen Abrams, MDWayne, NJ1831103324
  4. Saba Aftab, M.D.Marlton, NJ1760674287
  5. Jay AgarwalHackensack, NJ1326433616
  6. Nadir Ahmad, M.D.Camden, NJ1396969549
  7. David Ahmadi, MDNew Brunswick, NJ1225039464
  8. Suhyla Alam, MDNew Providence, NJ1023438199
  9. David Ansel, MDMt Laurel, NJ1306954474
  10. Jeffrey Aroesty, M.D.Mount Arlington, NJ1780633131

Common questions

What is Brendan M. O'Brien, M.D.'s NPI number?

Brendan M. O'Brien, M.D.'s National Provider Identifier (NPI) is 1225270978, issued on Mar 26, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Brendan M. O'Brien, M.D. located?

The NPPES record lists a practice address at 103 Old Marlton Pike Ste 225, Medford, NJ, 08055. Phone: (856) 576-5742. Providers update this record themselves, so call before visiting.

How can I verify Brendan M. O'Brien, M.D.'s license?

NPPES lists New Jersey license number 25MA10227600, 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 Brendan M. O'Brien, M.D. prescribe under Medicare Part D?

In 2024, Brendan M. O'Brien, M.D. had 833 Medicare Part D claims for 361 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.