Dr. Timothy J. O'Connor, MD

  • Eau Claire, WI
  • Orthopedic surgeon
NPI1437314358PAC ID5193965556
Medicare services, 2024
100
Medicare patients, 2024
138
Part D claims, 2024
16
Publications
1
Hospital affiliations
4
Practice address
1221 Whipple St, Eau Claire, WI 54703
Practice phone
Call (715) 838-3311
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Mayo Clinic Health System in Eau Claire

Hospital · Eau Claire, Wisconsin

See all 6 affiliations

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Dr. Timothy J. O'Connor is an orthopedic surgeon in Eau Claire, Wisconsin

Dr. O'Connor practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic.

Dr. O'Connor's NPI, 1437314358, was assigned on July 21, 2008. Dr. O'Connor graduated from Georgetown University School of Medicine in 2008. Dr. O'Connor holds Wisconsin license 53710.

NPI and contact details
Medicare PAC ID
5193965556
NPI enumeration date
July 21, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(715) 838-3311
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Timothy J. O'Connor practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin

Dr. O'Connor's primary practice is Mayo Clinic Health System in Eau Claire, at 1221 Whipple St, Eau Claire, WI 54703 in Eau Claire County. The practice phone is (715) 838-3311.

Source: Dmand AI Affiliation Data

Dr. Timothy J. O'Connor is affiliated with 5 sites of care and 1 medical group

Dr. O'Connor's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dr. O'Connor is also affiliated with Mayo Clinic Health System in Menomonie. The medical group on file is Mayo Clinic Health System in Eau Claire. Dmand AI also links Dr. O'Connor to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. O'Connor

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Timothy J. O'Connor's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Health System in Eau ClaireAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy J. O'Connor is one of 526 orthopedic surgeons in Wisconsin

Orthopaedic surgery is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. O'Connor is licensed in Wisconsin.

Specialties and state licenses

  • Orthopaedic surgery, WisconsinPrimaryLicense 53710 · taxonomy 207X00000X

Orthopedic surgeons near Dr. O'Connor

Counts of orthopedic surgeons 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. Timothy J. O'Connor billed Medicare for 100 services in 2024

CMS data shows 100 Medicare services from Dr. O'Connor across 4 procedure codes in 2024, for 138 Medicare patients. Medicare paid $33,281 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024100
Medicare patients138
Paid by Medicare$33,281
Procedure codes4

Dr. O'Connor's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 732024: 687%
Surgery
2023: 302024: 327%

Dr. O'Connor compared with the Wisconsin median for orthopedic surgeons, 2024

  • Dr. O'Connor
  • Wisconsin median
Medicare services
100vs 43977% below
Medicare patients
138vs 17220% below
Part D claims
16vs 7077% below

Medians across 543 orthopedic surgeons in Wisconsin 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.

See all procedures by Dr. O'Connor

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Timothy J. O'Connor treated 138 Medicare patients in 2024, average age 76

CMS counts 138 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 75 to 84, with 53 patients. 74% of them have high blood pressure, and 72% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.05, 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 69, with 55% women.

Medicare patients, 2024138
Average age76
Average risk score2.05
Also on Medicaid24%

Dr. O'Connor's Medicare patients by age, 2024

Dr. O'Connor's Medicare patients by sex, 2024

  • Women9166%
  • Men4734%

Chronic conditions among Dr. O'Connor's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol72%
  3. Osteoporosis54%
  4. Arthritis51%
  5. Chronic kidney disease44%
  6. Mood disorders42%
  7. Depression41%
  8. Anxiety34%

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 69

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Timothy J. O'Connor wrote 16 Medicare Part D claims in 2024

In 2024, Dr. O'Connor wrote 16 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. They cover 1 drug, with $28 in total drug cost. In 2021, CMS named 31 claims across 1 drug.

Part D claims, 202416
Drugs named by CMS1
Total drug cost$28
Part D patients11

Dr. O'Connor's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 312022: 1648%

Drugs named by CMS: 1 in 2022, 1 in 2021.

See all prescribing by Dr. O'Connor

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Timothy 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

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Timothy J. O'Connor has 1 publication on record

Dmand AI links 1 paper to Dr. O'Connor.

Papers1

Recent publications by Dr. O'Connor

See all 1 publications and co-authors

See who Dr. O'Connor researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Connor works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Timothy J. O'Connor received $2,868 in industry payments from 2019 to 2025

CMS Open Payments shows 42 general payments to Dr. O'Connor from 4 drug and device companies from 2019 to 2025. Honoraria make up the largest share, 52% of the total. Cerapedics, Inc. paid the most, $1,500.

General payments to Dr. O'Connor by program year, 2019 to 2025

General payments to Dr. O'Connor by kind, 2019 to 2025

$2.9Kin total
  • Honoraria$1,50052%
  • Food and beverage$80428%
  • Travel and lodging$42915%
  • Education$1345%

Companies that paid Dr. O'Connor the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. O'Connor

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Timothy J. O'Connor graduated from Georgetown University School of Medicine

Dr. O'Connor graduated from Georgetown University School of Medicine in 2008.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Timothy J. O'Connor's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy 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. Timothy J. O'Connor's NPI number?

Dr. Timothy J. O'Connor's NPI number is 1437314358. It was assigned on July 21, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy J. O'Connor?

Dr. Timothy J. O'Connor is an orthopedic surgeon in Eau Claire, Wisconsin. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Timothy J. O'Connor practice?

Dr. O'Connor practices at 1221 Whipple St, Eau Claire, WI 54703. Dr. O'Connor's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dmand AI also links Dr. O'Connor to 2 hospitals and 1 group practice or clinic.

What is Dr. Timothy J. O'Connor's office phone number?

The practice phone on file for Dr. O'Connor is (715) 838-3311.

What is Dr. Timothy J. O'Connor's medical license number?

Dr. O'Connor holds Wisconsin license 53710.

Which hospitals is Dr. Timothy J. O'Connor affiliated with?

Dr. O'Connor practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin. Dr. O'Connor is also affiliated with Mayo Clinic Health System in Menomonie. Dmand AI links Dr. O'Connor to 2 more hospitals.

What medical group is Dr. Timothy J. O'Connor part of?

Dr. O'Connor is linked to Mayo Clinic Health System in Eau Claire.

Does Dr. Timothy J. O'Connor accept Medicare?

Yes. CMS data shows Dr. O'Connor billed Medicare for 100 services in 2024, and Dr. O'Connor accepts Medicare assignment.

How many Medicare patients does Dr. Timothy J. O'Connor see?

CMS counts 138 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 76.

What services does Dr. Timothy J. O'Connor bill to Medicare?

In 2024, Dr. O'Connor's most billed Medicare services were office visit, established patient (99213), surgery: bones and joints (27245) and office visit, new patient (99203).

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Where did Dr. Timothy J. O'Connor go to medical school?

Dr. O'Connor graduated from Georgetown University School of Medicine in 2008.

What drugs does Dr. Timothy J. O'Connor prescribe most?

In 2022 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Amoxicillin.

Has Dr. Timothy J. O'Connor received payments from drug or device companies?

CMS Open Payments shows $2,868 in general payments to Dr. O'Connor from 4 companies from 2019 to 2025. The largest total came from Cerapedics, Inc.

How long has Dr. Timothy J. O'Connor been practicing?

Dr. O'Connor graduated from medical school in 2008, 18 years ago.

Does Dr. Timothy J. O'Connor do research?

Dmand AI links 1 publication to Dr. O'Connor.

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