John J. O'Connor, D.O.
Specialist · Sellersville, PA
John J. O'Connor, D.O. is a specialist with a practice address in Sellersville, Pennsylvania, and NPI 1649249806, issued on Mar 17, 2006. Check the license (Pennsylvania OS008988L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John J. O'Connor
- Credential
- D.O.
- Primary taxonomy
- Specialist 174400000X
- License number
- OS008988L PA
Self-reported in NPPES; status is on the state search - Practice location
- 817 Lawn Ave, Sellersville, PA 18960
- Phone
- (215) 257-5071
- Enumerated
- Mar 17, 2006
- Record last updated
- Sep 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 257-4378
- Medicaid ID
- 07705099 PA
- Medicare enrollment
- Enrolled (PECOS I20120215000316); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 2,031 in Pennsylvania → Look up another NPI →
Also registered at 817 Lawn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maggie Cheung, MDGastroenterology Physician1689102295
- Jonathan Cohen, M.D.Infectious Disease Physician1972528115
- Matthew CulybaInternal Medicine Physician1295053379
- Christine Davis Mazenko, PA-CMedical Physician Assistant1619174380
- John Dobrota, M.D.Gastroenterology Physician1457350167
- Albert Driver, MDPulmonary Disease Physician1811973803
Verify John J. O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OS008988LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average specialist in 2024
1,915 Medicare Part D claims for 507 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium653 claims
- Famotidine410 claims
- Omeprazole133 claims
- Dicyclomine Hcl93 claims
- Linzess48 claims
- Rabeprazole Sodium45 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: $1,623.00
94 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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
- Regional Gastroenterology Associates OF Lancaster, Ltd.Lansdale, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. O'Connor among 2,031 specialist records in Pennsylvania
John J. O'Connor, D.O. is one of 2,031 specialist records with a practice address in Pennsylvania. 40% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 34% newer
- In a Medicare fileYes · 40% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1995 · median 1989 among the 547 with a school on file
- Record last updated2019 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Pennsylvania
There are 2,031 specialist records in Pennsylvania.
All 2,031 in Pennsylvania → Every provider in Sellersville → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Richard D'Addario, M.D.Sellersville, PA 189601619960317
- Rachel Elliott Walsh, M.A., M.S. ED.Souderton, PA 189641235490012
- Jennifer Moyer, RNSouderton, PA 189641053583054
- Deborah Trout, BSLSouderton, PA 189641720795156
- Ilene BomzeSouthampton, PA 189661679007983
- Marcia Klein, MDSouthampton, PA 189661639193808
- Craig Lem, MDSouthampton, PA 189661669496741
- Edward Portley, LMT, NCTMBSouthampton, PA 189661326321241
Common questions
What is John J. O'Connor, D.O.'s NPI number?
John J. O'Connor, D.O.'s National Provider Identifier (NPI) is 1649249806, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. O'Connor, D.O. located?
The NPPES record lists a practice address at 817 Lawn Ave, Sellersville, PA, 18960. Phone: (215) 257-5071. Providers update this record themselves, so call before visiting.
How can I verify John J. O'Connor, D.O.'s license?
NPPES lists Pennsylvania license number OS008988L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does John J. O'Connor, D.O. prescribe under Medicare Part D?
In 2024, John J. O'Connor, D.O. had 1,915 Medicare Part D claims for 507 beneficiaries; the average among specialist prescribers was 1,380. 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.