NPPES file of Aug 9, 2026

Katherine O'Hanlon, M.D.

Emergency Medicine Physician · Rochester, NY

Katherine O'Hanlon, M.D. is an emergency medicine physician with a practice address in Rochester, New York, and NPI 1134152275, issued on Jul 9, 2006. Check the license (New York 218838, as entered in NPPES) 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
1134152275
Name
Katherine O'Hanlon
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
218838 NY
Self-reported in NPPES; status is on the state search
Practice location
82 Holland St, Rochester, NY 14605
Phone
(585) 423-5800
Enumerated
Jul 9, 2006
Record last updated
Sep 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(585) 423-2890
Medicaid ID
02115997 NY
Medicare enrollment
Enrolled (PECOS I20060222000386); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 1988
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.
Download card Updates feed

Also registered at 82 Holland St

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

  1. Noora Abdulkerim, PHDPsychologist1376329904
  2. Asim Abu-Baker, PHARM.D.Pharmacist1679768337
  3. Joanna AghaieWomen's Health Nurse Practitioner1083767990
  4. Rachelle Alexandre, AGNP-BCAdult Medicine Physician1568827327
  5. Mirailly Alvarado Mercado, MSWSocial Worker1427628387
  6. Mary Angerame, NPAdult Health Nurse Practitioner1093886830

Verify Katherine O'Hanlon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 218838
    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 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

69% more Medicare Part D claims than the average emergency medicine physician in 2024

383 Medicare Part D claims for 197 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Katherine O'Hanlon383
  2. Specialty average226

Most prescribed

  1. Prednisone28 claims
  2. Naproxen21 claims
  3. Metronidazole20 claims
  4. Doxycycline Hyclate19 claims
  5. Azithromycin16 claims
  6. Sulfamethoxazole-Trimethoprim16 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 one group practice

  1. Anthony L. Jordan Health CorporationRochester, NY

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

Katherine O'Hanlon among 5,025 emergency medicine physician records in New York

Katherine O'Hanlon, M.D. 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 72% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1988 · median 2013 among the 3,232 with a school on file
  • Record last updated2021 · 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).

232 emergency medicine physician records list a practice address in Rochester

They are 232 of the 20,520 NPPES records with a practice address in Rochester, and 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Salah Bahralilom, MDRochester, NY 146111740213230
  2. Vijay Bansal, M.D.Rochester, NY 146111417064387
  3. Usha Dhingra, MDRochester, NY 146111881623163
  4. Katelyn Tivey, PA-CRochester, NY 146161316464621
  5. Sunil Bansal, M.D.Rochester, NY 146201770530818
  6. Tracey Demino, MDRochester, NY 146201467472217
  7. Ayesha Gittens, MDRochester, NY 146201215566401
  8. Andrew Knapp, MDRochester, NY 146201306308929

Common questions

What is Katherine O'Hanlon, M.D.'s NPI number?

Katherine O'Hanlon, M.D.'s National Provider Identifier (NPI) is 1134152275, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine O'Hanlon, M.D. located?

The NPPES record lists a practice address at 82 Holland St, Rochester, NY, 14605. Phone: (585) 423-5800. Providers update this record themselves, so call before visiting.

How can I verify Katherine O'Hanlon, M.D.'s license?

NPPES lists New York license number 218838, as entered by the provider. 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 Katherine O'Hanlon, M.D. prescribe under Medicare Part D?

In 2024, Katherine O'Hanlon, M.D. had 383 Medicare Part D claims for 197 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.