NPPES file of Aug 9, 2026

Kathleen O'Neill, MD

Surgical Critical Care Physician · Philadelphia, PA

Kathleen O'Neill, MD is a surgical critical care physician with a practice address in Philadelphia, Pennsylvania, and NPI 1801274865, issued on May 11, 2015. Check the license (Pennsylvania MD486200, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801274865
Name
Kathleen O'Neill
Credential
MD
Primary taxonomy
Surgical Critical Care Physician 2086S0102X
License number
MD486200 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce Street, Philadelphia, PA 19104
Phone
(215) 349-8310
Enumerated
May 11, 2015
Record last updated
Jun 1, 2026
Fax
(215) 893-7270
Medicare enrollment
Enrolled (PECOS I20250929002308); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2015
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 3400 Spruce Street

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

  1. Stephanie Abbuhl, MDEmergency Medicine Physician1649215195
  2. Shahrzad Abdollahi, M.D.Rheumatology Physician1518494178
  3. Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
  4. Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
  5. Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
  6. Samir Abu Gazala, M.D.Surgery Physician1750708251

Verify Kathleen O'Neill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD486200
    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 Pennsylvania 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.

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

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

Kathleen O'Neill among 150 surgical critical care physician records in Pennsylvania

Kathleen O'Neill, MD is one of 150 surgical critical care physician records with a practice address in Pennsylvania. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 78% of them.

  • NPI issued2015 · 78% of these records are older, 18% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated2015 · median 2008 among the 129 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0102X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Critical Care Physician providers in Pennsylvania

There are 150 surgical critical care physician records in Pennsylvania.

The 8 surgical critical care physician records with the nearest ZIP codes

  1. Seema Anandalwar, M.D.Philadelphia, PA 191041932527538
  2. Jeremy Cannon, M.D.Philadelphia, PA 191041952368136
  3. Forrest Fernandez, MDPhiladelphia, PA 191041174619969
  4. Joseph Fernandez-Moure, M.D.Philadelphia, PA 191041073741484
  5. Lewis Kaplan, MDPhiladelphia, PA 191041417938853
  6. Elinore Kaufman, MDPhiladelphia, PA 191041336438431
  7. Nathan Klingensmith, M.D.Philadelphia, PA 191041205192424
  8. Matthew Leatherman, D.O.Philadelphia, PA 191041942541487

Common questions

What is Kathleen O'Neill, MD's NPI number?

Kathleen O'Neill, MD's National Provider Identifier (NPI) is 1801274865, issued on May 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen O'Neill, MD located?

The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 349-8310. Providers update this record themselves, so call before visiting.

How can I verify Kathleen O'Neill, MD's license?

NPPES lists Pennsylvania license number MD486200, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.