Dr. William N. Thibault, MD

  • Orange, CA
  • Cardiothoracic surgeon
NPI1417981929PAC ID1759334170
Medicare services, 2024
80
Medicare patients, 2024
41
Part D claims, 2024
89
Publications
1
Hospital affiliations
3
Practice address
1100 West Stewart Dr, Orange, CA 92868
Practice phone
Call (714) 633-9111
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Providence St. Joseph Hospital Orange

Hospital · Orange, California

See all 5 affiliations

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Dr. William N. Thibault is a cardiothoracic surgeon in Orange, California

Dr. Thibault practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.

Dr. Thibault's NPI, 1417981929, was assigned on July 10, 2006. Dr. Thibault graduated from The Robert Larner, M.D. College of Medicine in 1969. Dr. Thibault holds California license G19938.

NPI and contact details
Medicare PAC ID
1759334170
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 633-9111
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
83
Medical school graduation
1969

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

Dr. William N. Thibault practices at Providence St. Joseph Hospital Orange in Orange, California

Dr. Thibault's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.

Source: Dmand AI Affiliation Data

Dr. William N. Thibault is affiliated with 4 sites of care and 1 medical group

Dr. Thibault's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dr. Thibault is also affiliated with Providence Mission Hospital. The medical group on file is Orange County Thoracic and Cardiovascular Surgeons. Dmand AI also links Dr. Thibault to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Thibault

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

Dmand AI tracks the EHR system at Dr. William N. Thibault's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thibault practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Providence St. Joseph Hospital OrangeAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. William N. Thibault is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Thibault's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Thibault is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Thibault's licenses on file in 4 states: California, Florida, New Mexico and New York.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense G19938 · 1971 to 2026 · taxonomy 208G00000X
  • Florida license2017 to 2023
  • New Mexico license2018 to 2022
  • New York license2017 to 2019

Clinical focus

Dmand AI lists heart bypass surgery among the conditions Dr. Thibault treats.

Cardiothoracic surgeons near Dr. Thibault

Counts of cardiothoracic 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. William N. Thibault billed Medicare for 80 services in 2024

CMS data shows 80 Medicare services from Dr. Thibault across 4 procedure codes in 2024, for 41 Medicare patients. Medicare paid $13,748 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202480
Medicare patients41
Paid by Medicare$13,748
Procedure codes4

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

  • 2023
  • 2024
Surgery
2023: 622024: 8029%

Dr. Thibault compared with the California median for cardiothoracic surgeons, 2024

  • Dr. Thibault
  • California median
Medicare services
80vs 11430% below
Medicare patients
41vs 9557% below
Part D claims
64vs 193.4 times

Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.

Dr. Thibault'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. Thibault

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thibault and other cardiothoracic surgeons in California.

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

Dr. William N. Thibault treated 41 Medicare patients in 2024, average age 77

CMS counts 41 Medicare patients who saw Dr. Thibault in 2024. The largest group is 75 to 84, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Thibault's median patient age at 70, with 18% women.

Medicare patients, 202441
Average age77
Average risk score1.06

Dr. Thibault's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Thibault's Medicare patients by sex, 2024

  • Women1127%
  • Men3073%

Chronic conditions among Dr. Thibault's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Atrial fibrillation61%
  5. Heart failure59%
  6. Arthritis54%
  7. Anxiety41%
  8. Chronic kidney disease39%

Share of Medicare patients with each condition. A patient can have several.

Dr. Thibault's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women18%
  • Men82%

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

Dr. William N. Thibault wrote 89 Medicare Part D claims in 2024

In 2024, Dr. Thibault wrote 89 Medicare Part D claims. 82% of them were for generic drugs. CMS names the drug for 64 of them, across 5 drugs with 11 or more claims each, at $6,725 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.

Part D claims, 202489
Drugs named by CMS5
Total drug cost$6,725

Dr. Thibault's Part D claims by kind of drug, 2024

  • Generic73 claims82%
  • Brand-name16 claims18%

Dr. Thibault's most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 342024: 6488%

Drugs named by CMS: 5 in 2024, 3 in 2023.

See all prescribing by Dr. Thibault

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

Dr. William N. Thibault ranks in the 56th percentile for coronary artery bypass graft (cabg) in Medicare

Dr. Thibault accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of coronary artery bypass graft (cabg) by Dr. Thibault, more than 56% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Thibault ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
56th percentile15 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. William N. Thibault has 1 publication on record

Dmand AI links 1 paper to Dr. Thibault.

Papers1

Recent publications by Dr. Thibault

See all 1 publications and co-authors

See who Dr. Thibault researches with

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

How network discovery works

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

Dr. William N. Thibault received $12,749 in industry payments from 2016 to 2025

CMS Open Payments shows 135 general payments to Dr. Thibault from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. AtriCure, Inc. paid the most, $4,242.

General payments to Dr. Thibault by program year, 2016 to 2025

General payments to Dr. Thibault by kind, 2016 to 2025

$12.7Kin total
  • Food and beverage$12,02494%
  • Travel and lodging$7256%

Companies that paid Dr. Thibault the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Thibault

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

Dr. William N. Thibault has 1 award and honors on record

Dmand AI lists 1 award for Dr. Thibault.

Awards and honors for Dr. Thibault

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. William N. Thibault graduated from The Robert Larner, M.D. College of Medicine

Dr. Thibault graduated from The Robert Larner, M.D. College of Medicine in 1969. Dr. Thibault is a member of ACS.

  1. Medical schoolThe Robert Larner, M.D. College of Medicine
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in thoracic and cardiac surgeryAmerican Board of Thoracic Surgery

Source: Dmand AI Professional Profile Data

Dr. William N. Thibault accepts plans from 8 insurance carriers

Dr. Thibault is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • CMS Medicare
  • Humana

Plan types Dr. Thibault accepts, by number of carriers

  1. Medicare6
  2. HMO4
  3. PPO4
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. William N. Thibault'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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. William N. Thibault

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. William N. Thibault's NPI number?

Dr. William N. Thibault's NPI number is 1417981929. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William N. Thibault?

Dr. William N. Thibault is a cardiothoracic surgeon in Orange, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. William N. Thibault practice?

Dr. Thibault practices at 1100 West Stewart Dr, Orange, CA 92868. Dr. Thibault's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dmand AI also links Dr. Thibault to 1 hospital and 1 group practice or clinic.

What is Dr. William N. Thibault's office phone number?

The practice phone on file for Dr. Thibault is (714) 633-9111.

What is Dr. William N. Thibault's medical license number?

Dr. Thibault holds California license G19938, one of the licenses on file in 4 states.

Which states has Dr. William N. Thibault been licensed in?

Dmand AI has state licenses on file for Dr. Thibault in California (1971 to 2026), Florida (2017 to 2023), New Mexico (2018 to 2022) and New York (2017 to 2019).

Which hospitals is Dr. William N. Thibault affiliated with?

Dr. Thibault practices at Providence St. Joseph Hospital Orange in Orange, California. Dr. Thibault is also affiliated with Providence Mission Hospital. Dmand AI links Dr. Thibault to 1 more hospital.

What medical group is Dr. William N. Thibault part of?

Dr. Thibault is linked to Orange County Thoracic and Cardiovascular Surgeons.

Does Dr. William N. Thibault accept Medicare?

Yes. CMS data shows Dr. Thibault billed Medicare for 80 services in 2024, and Dr. Thibault accepts Medicare assignment.

How many Medicare patients does Dr. William N. Thibault see?

CMS counts 41 Medicare patients who saw Dr. Thibault in 2024, with an average age of 77.

Show 8 more questionsShow fewer questions

Is Dr. William N. Thibault board certified?

Yes. Dr. Thibault is board certified in surgery by the American Board of Surgery.

What services does Dr. William N. Thibault bill to Medicare?

In 2024, Dr. Thibault's most billed Medicare services were surgery: heart and blood vessels (33508), surgery: heart and blood vessels (33533) and surgery: heart and blood vessels (33268).

Where did Dr. William N. Thibault go to medical school?

Dr. Thibault graduated from The Robert Larner, M.D. College of Medicine in 1969.

What drugs does Dr. William N. Thibault prescribe most?

In 2024 Medicare Part D data, Dr. Thibault's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Febuxostat.

Has Dr. William N. Thibault received payments from drug or device companies?

CMS Open Payments shows $12,749 in general payments to Dr. Thibault from 20 companies from 2016 to 2025. The largest total came from AtriCure, Inc.

How long has Dr. William N. Thibault been practicing?

Dr. Thibault graduated from medical school in 1969, 57 years ago.

Does Dr. William N. Thibault do research?

Dmand AI links 1 publication to Dr. Thibault.

What insurance does Dr. William N. Thibault accept?

Dr. Thibault is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

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