William Patrick O'Neill, MD
Cytopathology Physician · Terre Haute, IN
William Patrick O'Neill, MD is a cytopathology physician with a practice address in Terre Haute, Indiana, and NPI 1922118900, issued on Aug 30, 2006. Check the license (Indiana 01061109A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- William Patrick O'Neill
- Credential
- MD
- Primary taxonomy
- Cytopathology Physician 207ZC0500X
- License numbers
- 01061109A IN
25MA12983000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3901 S 7TH St, Terre Haute, IN 47802
- Phone
- (812) 234-8261
- Enumerated
- Aug 30, 2006
- Record last updated
- Apr 15, 2026
- Fax
- (812) 234-8262
- Medicare enrollment
- Enrolled (PECOS I20260223001764); accepts Medicare assignment
- Entity
- Type 1 · individual
All 1 in Indiana → Look up another NPI →
Also registered at 3901 S 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Abell, PHARMDPharmacist1063015709
- Kathleen Baysinger, SLPSpeech-Language Pathologist1831914902
- Savannah Bridwell, OTR/LOccupational Therapist1417754243
- Andrea BuehlerCertified Registered Nurse Anesthetist1154950095
- Cynthia Byers, OTR, CBISOccupational Therapist1972498699
- Chase ContriCertified Registered Nurse Anesthetist1508213638
Verify William Patrick O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01061109ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Integrated Regional Laboratories Pathology Services, LLCLargo, FL
- Rutgers Health-Rwj Pediatric Critical CareHamilton, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cytopathology Physician providers in Indiana
There are 1 cytopathology physician records in Indiana.
All 1 in Indiana → Every provider in Terre Haute → Cytopathology Physician nationwide →
Common questions
What is William Patrick O'Neill, MD's NPI number?
William Patrick O'Neill, MD's National Provider Identifier (NPI) is 1922118900, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Patrick O'Neill, MD located?
The NPPES record lists a practice address at 3901 S 7TH St, Terre Haute, IN, 47802. Phone: (812) 234-8261. Providers update this record themselves, so call before visiting.
How can I verify William Patrick O'Neill, MD's license?
NPPES lists Indiana license number 01061109A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. 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.