Conor O'Sullivan, MD
Internal Medicine Physician · Abington, PA
Conor O'Sullivan, MD is an internal medicine physician with a practice address in Abington, Pennsylvania, and NPI 1942661509, issued on Mar 10, 2016. Check the license (Pennsylvania OS019589, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Conor O'Sullivan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS019589 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1235 Old York RD Ste 214, Abington, PA 19001
- Phone
- (215) 481-4811
- Enumerated
- Mar 10, 2016
- Record last updated
- Jul 11, 2026
- Fax
- (215) 576-1787
- Medicaid ID
- 1036541090003 PA
- Medicare enrollment
- Enrolled (PECOS I20190725000055); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2016
- Entity
- Type 1 · individual
Also registered at 1235 Old York RD Ste 214
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Conor O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS019589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
205 Medicare Part D claims for 101 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Furosemide13 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: $132.88
6 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Abington Memorial HospitalAbington, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
108 internal medicine physician records list a practice address in Abington
They are 108 of the 1,174 NPPES records with a practice address in Abington, and 7,300 internal medicine physician records in Pennsylvania.
All 108 in Abington → All 7,300 in Pennsylvania → Every provider in Abington →
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Common questions
What is Conor O'Sullivan, MD's NPI number?
Conor O'Sullivan, MD's National Provider Identifier (NPI) is 1942661509, issued on Mar 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Conor O'Sullivan, MD located?
The NPPES record lists a practice address at 1235 Old York RD Ste 214, Abington, PA, 19001. Phone: (215) 481-4811. Providers update this record themselves, so call before visiting.
How can I verify Conor O'Sullivan, MD's license?
NPPES lists Pennsylvania license number OS019589, 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.
How much does Conor O'Sullivan, MD prescribe under Medicare Part D?
In 2024, Conor O'Sullivan, MD had 205 Medicare Part D claims for 101 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.