Active NPI
William Patrick O'Neill, MD
- Cytopathology Physician
- Terre Haute, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cytopathology Physician
- License
- 25MA12983000
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, NJ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Pathology
- Education
- Other, 1987
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| License | State | Type | Specialty |
|---|---|---|---|
| 01061109A | IN | MD | Anatomic Pathology Physician |
| 25MA12983000 | NJ | MD | Anatomic Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rutgers Health-RWJ Pediatric Critical Care | Current | Accepting new patients | |
| Rutgers Health-RWJ Pediatric Critical Care | Current | 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.
-
- Family Medicine Physician
- New Brunswick, NJ
- NPI 1780766527
-
- Anatomic Pathology & Clinical Pathology Physician
- Atlantis, FL
- NPI 1942526298
-
- Emergency Medicine Physician
- Somerset, NJ
- NPI 1912510041
-
- Emergency Medicine Physician
- Livingston, NJ
- NPI 1760095806
-
- Anatomic Pathology & Clinical Pathology Physician
- Atlantis, FL
- NPI 1083785703
-
- Anatomic Pathology & Clinical Pathology Physician
- New Brunswick, NJ
- NPI 1538173539
-
- Clinical Medical Laboratory
- Indianapolis, IN
- NPI 1194840595
-
- Clinical Medical Laboratory
- Granite City, IL
- NPI 1083778328
-
- Neuromusculoskeletal Medicine & OMM Physician
- Gainesville, FL
- NPI 1871573949
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Terre Haute, IN
- NPI 1619975331
-
- General Acute Care Hospital
- Terre Haute, IN
- NPI 1821859752
-
- General Acute Care Hospital
- Largo, FL
- NPI 1144274879
-
- General Acute Care Hospital
- Hamilton, NJ
- NPI 1629069638
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.