NPPES file of Aug 9, 2026

Kerry O'Sullivan

Emergency Medicine Physician · New York, NY

Kerry O'Sullivan is an emergency medicine physician with a practice address in New York, New York, and NPI 1801474630, issued on Apr 1, 2021. Check the license on the NYS Education Department, Office of the Professions; 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
1801474630
Name
Kerry O'Sullivan
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
ME166459 FL
Self-reported in NPPES; status is on the state search
Practice location
250 W 57TH St FL 15, New York, NY 10107
Phone
(212) 523-4000
Enumerated
Apr 1, 2021
Record last updated
Mar 15, 2024
Medicare enrollment
Enrolled (PECOS I20240411004866); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 2021
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 250 W 57TH St FL 15

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

  1. Samir Ali, MDStudent in an Organized Health Care Education/Training Program1831958248
  2. A Eve AmeenStudent in an Organized Health Care Education/Training Program1518600576
  3. Ilana Bandler, MDEmergency Medicine Physician1942888458
  4. Andie Brown, MDStudent in an Organized Health Care Education/Training Program1467393348
  5. Brian Brown, MD, PHDEmergency Medicine Physician1023767423
  6. Kimberly BurkeStudent in an Organized Health Care Education/Training Program1144080136

Verify Kerry O'Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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 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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64% fewer Medicare Part D claims than the average emergency medicine physician in 2024

82 Medicare Part D claims for 59 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Kerry O'Sullivan82
  2. Specialty average226

Most prescribed

  1. Prednisone12 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.

Bills Medicare through 2 group practices

  1. ER Stat IncCoral Gables, FL
  2. South Miami Criticare IncMiami, FL

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

Kerry O'Sullivan among 5,025 emergency medicine physician records in New York

Kerry O'Sullivan is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 88% of them.

  • NPI issued2021 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2013 among the 3,232 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,075 emergency medicine physician records list a practice address in New York

They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Reza Atras, MDNew York, NY 101071497333819
  2. Ilana Bandler, MDNew York, NY 101071942888458
  3. Brian Brown, MD, PHDNew York, NY 101071023767423
  4. Gabriel Colon, MDNew York, NY 101071609526136
  5. Evan Gui, MDNew York, NY 101071093343063
  6. Grant Libra, MDNew York, NY 101071104454909
  7. Neil Makhijani, MDNew York, NY 101071356922199
  8. Jayenth Mayur, MDNew York, NY 101071669059580

Common questions

What is Kerry O'Sullivan's NPI number?

Kerry O'Sullivan's National Provider Identifier (NPI) is 1801474630, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kerry O'Sullivan located?

The NPPES record lists a practice address at 250 W 57TH St FL 15, New York, NY, 10107. Phone: (212) 523-4000. Providers update this record themselves, so call before visiting.

How can I verify Kerry O'Sullivan's license?

Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kerry O'Sullivan prescribe under Medicare Part D?

In 2024, Kerry O'Sullivan had 82 Medicare Part D claims for 59 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.