Dr. Steven J. O'Connor, MD
- Medicare services, 2024
- 1,194
- Medicare patients, 2024
- 329
- Part D claims, 2021
- 12
- Hospital affiliations
- 2
- Industry payments
- $548
- Practice address
- 23900 Katy Freeway, Katy, TX 77494
- Practice phone
- Call (281) 392-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Connor's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Steven J. O'Connor is a pathologist in Katy, Texas
Dr. O'Connor practices at Memorial Hermann Katy Hospital in Katy, Texas, part of Memorial Hermann Health System.
Dr. O'Connor's NPI, 1245238708, was assigned on July 8, 2005. Dr. O'Connor graduated from UNMC in 1989. Dr. O'Connor's Texas license number on file is J5851.
- NPI
- 1245238708NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749275097
- NPI enumeration date
- July 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 392-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven J. O'Connor practices at Memorial Hermann Katy Hospital in Katy, Texas
Dr. O'Connor's primary practice is Memorial Hermann Katy Hospital, at 23900 Katy Freeway, Katy, TX 77494 in Fort Bend County. The practice phone is (281) 392-1111.
- Memorial Hermann Katy Hospital23900 Katy Freeway, Katy, TX 77494 · Fort Bend CountyPhone(281) 392-1111
Source: Dmand AI Affiliation Data
Dr. Steven J. O'Connor is affiliated with 3 sites of care and 1 medical group
Dr. O'Connor's primary practice is Memorial Hermann Katy Hospital in Katy, Texas, part of Memorial Hermann Health System. Dr. O'Connor is also affiliated with Houston Methodist West Hospital. The medical group on file is Brown Pathology. Dmand AI also links Dr. O'Connor to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven J. O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hermann Katy Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Memorial Hermann Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven J. O'Connor is one of 1,145 pathologists in Texas
Anatomic pathology and clinical pathology is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. O'Connor is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dr. O'Connor has a license on file in Texas.
Specialties and state licenses
- Anatomic pathology and clinical pathology, TexasPrimary
Pathologists near Dr. O'Connor
Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven J. O'Connor billed Medicare for 1,194 services in 2024
CMS data shows 1,194 Medicare services from Dr. O'Connor across 10 procedure codes in 2024, for 329 Medicare patients. Medicare paid $28,406 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. O'Connor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,5812024: 1,19424%
- Other services
- 2023: 112024: 0100%
Dr. O'Connor compared with the Texas median for pathologists, 2024
- Dr. O'Connor
- Texas median
- Medicare services
- 1,194vs 91830% above
- Medicare patients
- 329vs 3547% below
- Part D claims
- 12vs 12Close to median
Medians across 976 pathologists in Texas with Dmand AI profiles that report each measure.
Dr. O'Connor's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. O'Connor?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connor and other pathologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven J. O'Connor treated 329 Medicare patients in 2024, average age 75
CMS counts 329 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 65 to 74, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 42, with 62% women.
Dr. O'Connor's Medicare patients by age, 2024
Dr. O'Connor's Medicare patients by sex, 2024
- Women16951%
- Men16049%
Chronic conditions among Dr. O'Connor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes40%
- Ischemic heart disease39%
- Chronic kidney disease36%
- Anxiety30%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Connor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven J. O'Connor wrote 12 Medicare Part D claims in 2021
In 2021, Dr. O'Connor wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $347 in total drug cost. In 2017, CMS named 24 claims across 2 drugs.
Dr. O'Connor's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2021
- 2017
- 2021
- Claims for drugs CMS names
- 2017: 242021: 1250%
Drugs named by CMS: 1 in 2021, 2 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Steven J. O'Connor takes part in Medicare
Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Steven J. O'Connor received $548 in industry payments from 2017 to 2018
CMS Open Payments shows 10 general payments to Dr. O'Connor from 1 drug or device company from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Chiesi USA, Inc. paid the most, $548.
General payments to Dr. O'Connor by program year, 2017 to 2018
Companies that paid Dr. O'Connor the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven J. O'Connor graduated from UNMC
Dr. O'Connor graduated from UNMC in 1989.
- Medical school
- Board certified in anatomic pathology & clinical pathology
Source: Dmand AI Professional Profile Data
Dr. Steven J. O'Connor accepts plans from 16 insurance carriers
Dr. O'Connor is in network with 16 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- HCSC
- Aspirus Health Plan
- +8 more carriersWith a free account
Plan types Dr. O'Connor accepts, by number of carriers
- HMO10
- PPO9
- POS7
- Medicare5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Steven J. O'Connor's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Steven J. O'Connor
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Steven J. O'Connor's NPI number?
Dr. Steven J. O'Connor's NPI number is 1245238708. It was assigned on July 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven J. O'Connor?
Dr. Steven J. O'Connor is a pathologist in Katy, Texas. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Steven J. O'Connor practice?
Dr. O'Connor practices at 23900 Katy Freeway, Katy, TX 77494. Dr. O'Connor's primary practice is Memorial Hermann Katy Hospital in Katy, Texas, part of Memorial Hermann Health System. Dmand AI also links Dr. O'Connor to 1 group practice or clinic.
What is Dr. Steven J. O'Connor's office phone number?
The practice phone on file for Dr. O'Connor is (281) 392-1111.
What is Dr. Steven J. O'Connor's medical license number?
Dr. O'Connor's Texas license number on file is J5851.
Which hospitals is Dr. Steven J. O'Connor affiliated with?
Dr. O'Connor practices at Memorial Hermann Katy Hospital in Katy, Texas. Dr. O'Connor is also affiliated with Houston Methodist West Hospital.
What medical group is Dr. Steven J. O'Connor part of?
Dr. O'Connor is linked to Brown Pathology.
Does Dr. Steven J. O'Connor accept Medicare?
Yes. CMS data shows Dr. O'Connor billed Medicare for 1,194 services in 2024, and Dr. O'Connor accepts Medicare assignment.
How many Medicare patients does Dr. Steven J. O'Connor see?
CMS counts 329 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 75.
Is Dr. Steven J. O'Connor board certified?
Yes. Dr. O'Connor is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
Show 6 more questionsShow fewer questions
What services does Dr. Steven J. O'Connor bill to Medicare?
In 2024, Dr. O'Connor's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).
Where did Dr. Steven J. O'Connor go to medical school?
Dr. O'Connor graduated from UNMC in 1989.
What drugs does Dr. Steven J. O'Connor prescribe most?
In 2021 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Diclofenac Sodium.
Has Dr. Steven J. O'Connor received payments from drug or device companies?
CMS Open Payments shows $548 in general payments to Dr. O'Connor from 1 company from 2017 to 2018. The largest total came from Chiesi USA, Inc.
How long has Dr. Steven J. O'Connor been practicing?
Dr. O'Connor graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Steven J. O'Connor accept?
Dr. O'Connor is in network with 16 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to anatomic pathology and clinical pathology practices?
See pathologists in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card