Chris Paul Liakonis, DO
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Marshfield, WI
Chris Paul Liakonis, DO is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Marshfield, Wisconsin, and NPI 1437117512, issued on May 1, 2006. Check the license (Wisconsin 13028, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Chris Paul Liakonis
- Credential
- DO
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 13028 WI
5101012009 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Avenue, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- May 1, 2006
- Record last updated
- May 5, 2025
- Medicaid ID
- 1437117512 MI
- Medicare enrollment
- Enrolled (PECOS I20250428002361); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 115 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ashley Korchyk, PA-CPhysician Assistant1649780701
Verify Chris Paul Liakonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 13028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
33 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $45.24
1 payment: food and beverage; the largest payer was Abiomed. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chris Paul Liakonis among 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin
Chris Paul Liakonis, DO is one of 115 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Wisconsin. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 40% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1993 · median 1993 among the 74 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Wisconsin
There are 115 thoracic surgery (cardiothoracic vascular surgery) physician records in Wisconsin.
All 115 in Wisconsin → Every provider in Marshfield → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Thomas Cain, MDMarshfield, WI 544491922011071
- John Douglas Jones, MDMarshfield, WI 544491740380005
- Stephen Kwan, M.D.Marshfield, WI 544491518052356
- Hope Maki, MDMarshfield, WI 544491326148768
- John Braxton, M.D.Weston, WI 544761073568655
- James Hall, M.D.Weston, WI 544761972693018
- Srinivas Kolla, MDWeston, WI 544761235100397
- Chong Lee, MDWeston, WI 544761497855647
Common questions
What is Chris Paul Liakonis, DO's NPI number?
Chris Paul Liakonis, DO's National Provider Identifier (NPI) is 1437117512, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chris Paul Liakonis, DO located?
The NPPES record lists a practice address at 1000 N Oak Avenue, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Chris Paul Liakonis, DO's license?
NPPES lists Wisconsin license number 13028, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chris Paul Liakonis, DO prescribe under Medicare Part D?
In 2024, Chris Paul Liakonis, DO had 33 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.