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- 3901 S 7Th St, Terre Haute, IN 47802
About Dr. O'neill
Based in Terre Haute, IN, William P. O'Neill, MD is listed in the NPI registry under cytopathology. William is also listed as specializing in pathology. According to Medicare claims data, William cared for 162 Medicare patients across 261 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, each additional procedure, and cell examination of specimen, selective cellular enhancement technique. NPI 1922118900 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (812) 234-8261
- Email not available
Practice Locations
3901 S 7TH ST
Terre Haute, IN 47802
Conditions Evaluated or Diagnosed
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joints
Autopsy & Forensic
- Unexplained Cause of Death
Blood & Metabolism
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Iron-deficiency anemia
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle cell disease
Cancer
- Bladder cancer
- Bone tumors
- Brain tumor
- Breast cancer
- Cervical cancer
- Colon cancer
- Endometrial cancer
- Kidney cancer
- Liver cancer
- Lung cancer
- Oral cavity cancer
- Ovarian cancer
- Pancreatic cancer
- Prostate cancer
- Soft-tissue sarcoma
- Stomach cancer
- Testicular cancer
- Thyroid cancer
Cervical & Gynecologic
- Abnormal cervical cells and cervical dysplasia
- Endometrial hyperplasia
Digestive
- Gallbladder inflammation
- H. pylori infection
Digestive System
Endocrine
Genetics
- Inherited Cancer Risk
Hormones
Immune System
- Autoimmune Diseases
Infections
- Hepatitis C
- Lyme disease
- Mononucleosis
- Sexually transmitted infections
Kidney
Liver
- Metabolic dysfunction-associated steatohepatitis
Metabolic & Routine Lab
Pregnancy & Fertility
- Recurrent miscarriage
Skin Cancer
Women's Health
Procedures & services
Autopsy & Forensic
- Private Autopsy Service
Blood Tests
- Blood Clotting Tests
- Blood Type Test
- Cholesterol screening
- Complete Blood Count
- Comprehensive Metabolic Panel
- Hemoglobin A1c Test
- Iron Level Blood Test
- Thyroid Blood Test
Cytology
- Body fluid cytology
- Urine cytology test
Cytology & Screening
- Fine-needle aspiration of a neck mass
- Human papillomavirus testing
- Pap Smear Test
- Thyroid Nodule Biopsy Review
Genetic & Molecular Tests
- Cancer Genetic Testing
- Liquid Biopsy
- Paternity DNA Test
- Tumor Biomarker Testing
Genetics
- Chromosome And Genetic Testing
Immune & Allergy Tests
- Allergy Blood Testing
- Autoimmune Antibody Panel
- Celiac Disease Blood Test
Infection Testing
- Blood Culture Test
- H. Pylori Breath Test
- Lyme disease test
Infection Tests
- STI Screening Panel
Lab & Blood Tests
- Cardiac enzyme blood test
- Pregnancy blood test
- Sed rate inflammation test
- Testosterone blood test
- Vitamin D blood test
Pathology Review
- Biopsy Second Opinion
- Frozen Section During Surgery
Pregnancy & Fertility
- Miscarriage tissue testing
- Placenta examination
- Sperm count test
Routine Lab Tests
- Colon cancer screening consult
- Urinalysis
- Urine Drug Screen
Tissue Biopsy
- Bone Marrow Biopsy Interpretation
- Breast Biopsy Analysis
- Cervical biopsy lab review
- Colon Polyp Testing
- Kidney Biopsy Examination
- Liver Biopsy Examination
- Lung biopsy lab review
- Lymph Node Biopsy Analysis
- Oral biopsy lab review
- Prostate Biopsy Analysis
- Skin Biopsy Lab Review
- Stomach biopsy lab review
- Uterine biopsy lab review
Procedures Most Often Billed to Medicare
261 services · 162 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
130 | Less often than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
42 | Less often than most peers in Cytopathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
34 | Less often than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
23 | Less often than most peers in Cytopathology |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
16 | Less often than most peers in Cytopathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
16 | Less often than most peers in Cytopathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. O'Neill's specialty?
Dr. O'Neill is a cytopathology in Terre Haute, IN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. O'Neill?
Dr. O'Neill is listed at 3901 S 7Th St, Terre Haute, IN 47802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Neill?
The number on file is (812) 234-8261. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. O'Neill's NPI number?
Dr. O'Neill's National Provider Identifier is 1922118900. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. O'Neill's medical education?
Dr. O'Neill attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Neill been practicing?
Dr. O'Neill has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Neill known for?
According to Medicare billing data, Dr. O'Neill the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Neill confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Neill. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.