William J. O'Toole, M.D.
Gastroenterology Physician · Sellersville, PA
William J. O'Toole, M.D. is a gastroenterology physician with a practice address in Sellersville, Pennsylvania, and NPI 1467474874, issued on Jul 24, 2006. Check the license (Pennsylvania MD033835E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William J. O'Toole
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD033835E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1107 Bethlehem Pike, Sellersville, PA 18960
- Phone
- (215) 257-3011
- Enumerated
- Jul 24, 2006
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (215) 257-3437
- Medicaid ID
- 0010949790004 PA
- Medicare enrollment
- Enrolled (PECOS I20100927000657); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 1107 Bethlehem Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Cassidy, M.D.Gastroenterology Physician1790707107
- Nathan Davis, DOGastroenterology Physician1912436510
- Maria Heveran, PA-CPhysician Assistant1821610585
- Inki Hong, M.D.Gastroenterology Physician1043665557
- Keith Kearney, DOGastroenterology Physician1245396019
- Ira Kelberman, M.D.Gastroenterology Physician1255359055
Verify William J. O'Toole in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD033835ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average gastroenterology physician in 2024
539 Medicare Part D claims for 150 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium149 claims
- Famotidine137 claims
- Omeprazole64 claims
- Clenpiq25 claims
- Linzess23 claims
- Sucralfate22 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.
The MIPS final score for 2023 (Medicare payment program): 95.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Lukes Physician Group IncQuakertown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. O'Toole among 1,049 gastroenterology physician records in Pennsylvania
William J. O'Toole, M.D. is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1984 · median 2003 among the 769 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 gastroenterology physician records list a practice address in Sellersville
They are 12 of the 788 NPPES records with a practice address in Sellersville, and 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Sellersville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Cassidy, M.D.Sellersville, PA 189601790707107
- Maggie Cheung, MDSellersville, PA 189601689102295
- Nathan Davis, DOSellersville, PA 189601912436510
- John Dobrota, M.D.Sellersville, PA 189601457350167
- Inki Hong, M.D.Sellersville, PA 189601043665557
- Keith Kearney, DOSellersville, PA 189601245396019
- Ira Kelberman, M.D.Sellersville, PA 189601255359055
- Frank Kucer, MDSellersville, PA 189601487653747
Common questions
What is William J. O'Toole, M.D.'s NPI number?
William J. O'Toole, M.D.'s National Provider Identifier (NPI) is 1467474874, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. O'Toole, M.D. located?
The NPPES record lists a practice address at 1107 Bethlehem Pike, Sellersville, PA, 18960. Phone: (215) 257-3011. Providers update this record themselves, so call before visiting.
How can I verify William J. O'Toole, M.D.'s license?
NPPES lists Pennsylvania license number MD033835E, 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 William J. O'Toole, M.D. prescribe under Medicare Part D?
In 2024, William J. O'Toole, M.D. had 539 Medicare Part D claims for 150 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is William J. O'Toole, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.