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Edit this profileWilliam N. Oconnor, MD practices pathology in Lexington, KY. According to Medicare claims data, William cared for 301 Medicare patients across 470 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, pathology examination of tissue using a microscope, moderately high complexity, and pathology examination of specimen during surgery, first tissue block. The provider's National Provider Identifier (NPI) is 1497945992.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
800 ROSE ST
Lexington, KY 40536
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.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
470 services · 301 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
95 | Less often than most peers in Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
63 | As often as other peers in Pathology |
| Pathology examination of specimen during surgery, first tissue block | Lab test | 88331 |
60 | More often than most peers in Pathology |
| Special stained specimen slides to examine tissue including interpretation and report | Lab test | 88313 |
57 | As often as other peers in Pathology |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
43 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
38 | As often as other peers in Pathology |
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
28 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, limited examination | Lab test | 88300 |
27 | As often as other peers in Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
25 | Less often than most peers in Pathology |
| Pathology examination of tissue using a microscope, high complexity | Lab test | 88309 |
22 | As often as other peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Oconnor is a pathologist in Lexington, KY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Dr. Oconnor is listed at 800 Rose St, Lexington, KY 40536. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (859) 323-5425. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Oconnor's National Provider Identifier is 1497945992. 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
Dr. Oconnor attended Other, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
Dr. Oconnor has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Oconnor 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oconnor. If this is you, claiming it is free.
Guide.md
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