1. Home
  2. Directory
  3. Kentucky
  4. Lexington
  5. Pathology
  6. NPI Profile

WILLIAM NOEL OCONNOR MD
NPI 1497945992
Pathology - Anatomic Pathology in Lexington, KY

Active since July 31, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
800 ROSE ST, LEXINGTON, KY 40536(859) 323-5425(859) 257-8675 Get Directions Write a Review

NPPES record last updated: July 31, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Noel Oconnor Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM NOEL OCONNOR MD (NPI 1497945992) is an individual anatomic pathology provider in Lexington, Kentucky, licensed in Kentucky (18301) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Kentucky Hospital, and is a graduate of Other (1972).

NPPES Registry Identity

NPI1497945992
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameWILLIAM NOEL OCONNORCredential: MD
Location Address800 ROSE STLexington, KY 40536-0293
Mailing Address2333 Alumni Park Plz Ste 200Lexington, KY 40517-4022 · (859) 218-5677 · Fax (859) 257-7899
Phone(859) 323-5425
Fax(859) 257-8675
Sole ProprietorNo
Medical School CMSOtherGraduated 1972
Enumeration DateJuly 31, 2007
✔ NPI 1497945992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
License✔ Licensed in KY · 18301
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
800 ROSE ST, Lexington, KY 40536
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINC65927KY
Medicare PIN0641391KY
Medicaid64183015KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Noel Oconnor Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294836540
PECOS Enrollment IDI20070731000189
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
95 services58 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
63 services51 patients
Pathology examination of specimen during surgery, first tissue block 88331
A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.
60 services16 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
57 services20 patients
Special stained specimen slides to identify organisms including interpretation and report 88312
This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.
43 services26 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
38 services31 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Kentucky Hospital

Acute Care Hospitals · Lexington, KY
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number180067
Location800 Rose StreetLexington, KY 40536 · Fayette County
Emergency services Birthing friendly

Clark Regional Medical Center

Acute Care Hospitals · Winchester, KY
3/5 CMS rating
OwnershipProprietary
CMS Certification Number180092
Location175 Hospital DriveWinchester, KY 40391 · Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40536 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.77 typical visit price
range $52.76 – $162.27
Typical copayment $30.69 (range $13.19 – $40.56)
Most-billed visit code 99204
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JEREMY WAYNE THACKER M.D.
Radiology (Diagnostic Radiology)
800 ROSE ST, HX-302 UKMC
LEXINGTON, KY 40536
Fayette County (859) 257-4457
DR. KIRK PHILLIP HEITMAN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
800 ROSE ST, MS117
LEXINGTON, KY 40536
Fayette County (859) 257-1446
HARISH RAM MD
Anesthesiology
800 ROSE ST
LEXINGTON, KY 40536
Fayette County (859) 323-5956
MS. YVONNE P RICE APRN NP-C
Nurse Practitioner (Family)
800 ROSE ST
LEXINGTON, KY 40536
Fayette County (859) 218-1779
VANESSA D. SMITH MD
Pathology (Anatomic Pathology)
800 ROSE ST
LEXINGTON, KY 40536
Fayette County (859) 323-6183
JASMINE HOWARD APRN
Nurse Practitioner (Acute Care)
800 ROSE ST, MN604
LEXINGTON, KY 40536
Fayette County (859) 323-6047
MITCHELL ALEXANDER MIGUEL M.D.
Hospitalist
800 ROSE ST
LEXINGTON, KY 40536
Fayette County (859) 323-6047
LEAH RAY YEAGER APRN
Nurse Practitioner (Family)
800 ROSE ST, CC417
LEXINGTON, KY 40536
Fayette County (859) 257-1223

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Oconnor's NPI number?

The NPI number for William Oconnor is 1497945992. It was assigned to this individual provider in the NPPES registry on July 31, 2007.

Where is William Oconnor located?

William Oconnor practices at 800 Rose St, Lexington, KY 40536. The listed phone number is (859) 323-5425.

What is William Oconnor's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is William Oconnor enrolled in Medicare?

Yes. William Oconnor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Oconnor accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Home State Health and Ambetter of Tennessee list William Oconnor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Oconnor affiliated with any hospitals?

According to CMS data, William Oconnor is affiliated with University Of Kentucky Hospital and Clark Regional Medical Center.

When was this NPI record last updated?

The NPPES record for William Oconnor was last updated on July 31, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.