Individual provider Active NPI

William Patrick O'Neill, MD

  • Cytopathology Physician
  • Terre Haute, IN
National Provider Identifier
1922118900
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cytopathology PhysicianTaxonomy code 207ZC0500X
License
25MA12983000 Issued in NJ
Practice address
3901 S 7TH St
Terre Haute, IN 47802-5709
Phone
(812) 234-8261
Fax
(812) 234-8262
NPI assigned
Aug 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology Physician 207ZP0101X 25MA12983000 NJ
Cytopathology Physician 207ZC0500X 25MA12983000 NJ Primary
Anatomic Pathology Physician 207ZP0101X 01061109A IN

Addresses

Primary practice location

3901 S 7TH St
Terre Haute, IN 47802-5709

Mailing address

2901 Ohio Blvd
Suite 127
Terre Haute, IN 47803-2239
Phone (812) 234-8261

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, NJ2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050818000289 FL Practitioner - Pathology 2062442155 Reassigns benefits to 1 organization
I20260223001764 NJ Practitioner - Pathology 2062442155 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Other, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Integrated Regional Laboratories Pathology Services, LLCGroup PAC ID 9133244346, 132 clinicians

Practice addresses (Care Compare)

1 Hamilton Health PL
Hamilton, NJ 08690-3542
Phone (908) 685-2864

201 14TH St SW
Largo, FL 33770-3133
Phone (727) 588-5812

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
01061109AINMDAnatomic Pathology Physician
25MA12983000NJMDAnatomic Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rutgers Health-RWJ Pediatric Critical Care CurrentSince Jan 13, 2026 Accepting new patients
Rutgers Health-RWJ Pediatric Critical Care CurrentSince Jan 13, 2026 Accepting new patients
Pathmed Associates LLC Anatomic Pathology Current Accepting new patients
DCL Medical Laboratories LLC Past Accepting new patients
Southeastern Integrated Medical PL Past Accepting new patients
Diagnostic Cytology Laboratories Inc Past Accepting new patients

Locations

5301 S Congress Ave
Lantana, FL 33462
Phone (561) 548-3549

13001 State Road 80
Westlake, FL 33470
Phone (561) 793-3300

1 Rwj Pl
New Brunswick, NJ 08901
Phone (732) 235-7887

1 Hamilton Health Pl
Trenton, NJ 08690
Phone (609) 584-6763

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776211200000",
    "number": "1922118900",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2901 OHIO BLVD",
            "address_2": "SUITE 127",
            "city": "TERRE HAUTE",
            "state": "IN",
            "postal_code": "478032239",
            "telephone_number": "812-234-8261",
            "fax_number": "812-234-8262"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3901 S 7TH ST",
            "city": "TERRE HAUTE",
            "state": "IN",
            "postal_code": "478025709",
            "telephone_number": "812-234-8261",
            "fax_number": "812-234-8262"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEILL",
        "first_name": "WILLIAM",
        "middle_name": "PATRICK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "NJ",
            "license": "25MA12983000",
            "primary": false
        },
        {
            "code": "207ZC0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Cytopathology",
            "state": "NJ",
            "license": "25MA12983000",
            "primary": true
        },
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "IN",
            "license": "01061109A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Terre Haute, IN

Sources for this page

Verify at the official NPI Registry.