STEVEN J. O'CONNOR M.D.
NPI 1245238708
Pathology - Anatomic Pathology & Clinical Pathology in Houston, TX

Q: What is Steven O'connor's NPI number?

The NPI number for Steven O'connor is 1245238708. It was assigned to this individual provider in the NPPES registry on July 8, 2005.

Q: What is Steven O'connor's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Steven O'connor was last updated on March 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since July 08, 2005PECOS EnrolledAccepts Medicare Assignment

2525 WEST BELLFORT STREET, STE 120, HOUSTON, TX 77054(713) 741-6677(713) 748-5860 Get Directions Write a Review

NPPES record last updated: March 13, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Steven J. O'connor M.d. NPPES

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

STEVEN J. O'CONNOR M.D. (NPI 1245238708) is an individual anatomic pathology & clinical pathology provider in Houston, Texas, licensed in Texas (J5851) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and is a graduate of University Of Nebraska College Of Medicine (1989).

NPPES Registry Identity

NPI1245238708

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameSTEVEN J. O'CONNORCredential: M.D.

Location Address2525 WEST BELLFORT STREET, STE 120Houston, TX 77054-5024

Mailing AddressPo Box 421849Houston, TX 77242-1849 · (713) 559-6929 · Fax (713) 559-6928

Phone(713) 741-6677

Fax(713) 748-5860

Sole ProprietorNo

Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 1989

Enumeration DateJuly 8, 2005

Last NPPES UpdateMarch 13, 2018

✔ NPI 1245238708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in TX · J5851

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.

2525 WEST BELLFORT STREET, Houston, TX 77054

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Other Identifiers 1

Other220017964TX · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Steven J. O'connor M.d. 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 ID749275097

PECOS Enrollment IDI20051221000151

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.

Medicare Billing Reassignment

Medicare enrollment records show Steven O'connor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brown & Associates Medical Laboratories, LLP

Same address

Anatomic Pathology & Clinical Pathology

2525 WEST BELLFORT, SUITE 120
Houston, TX 77054

Reassigned Medicare billing, Texas enrollment
23 clinicians in this Medicare group

NPI 1912981747 (713) 741-6677

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.

544 services244 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

231 services52 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

141 services92 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.

60 services36 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.

51 services31 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

46 services42 patients

Hospital Affiliations CMS Care Compare 2

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

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450847

Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County

Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670077

Location18500 Katy FreewayHouston, TX 77094 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77054 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

Other Providers at the Same Location NPPES 9

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

DR. MARY ELAINE KLING M.D.

Pathology (Anatomic Pathology & Clinical Pathology)