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CHRIS PAUL LIAKONIS DO
NPI 1437117512
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Marshfield, WI

Active since May 01, 2006PECOS EnrolledAccepts Medicare Assignment
1000 N OAK AVENUE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: May 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 5, 2025, Mar 29, 2021, May 14, 2019 and 1 more (4 updates tracked since 2019).

About Chris Paul Liakonis Do NPPES

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

CHRIS PAUL LIAKONIS DO (NPI 1437117512) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Marshfield, Wisconsin, licensed in Wisconsin (13028) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains a secondary practice location in Saginaw.

NPPES Registry Identity

NPI1437117512
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameCHRIS PAUL LIAKONISCredential: DO
Location Address1000 N OAK AVENUEMarshfield, WI 54449-5703
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511
Phone(715) 387-5511
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateMay 1, 2006
Last NPPES UpdateMay 5, 20254 updates tracked since enumeration
NPPES CertifiedApril 23, 2025
✔ NPI 1437117512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
Licenses✔ Licensed in WI · 13028✔ Licensed in MI · 5101012009
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
1000 N OAK AVENUE, Marshfield, WI 54449
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Secondary Practice Location 1

Location 11015 S Washington AveSaginaw, MI 48601-2556 · Phone (989) 754-3000 · Fax (989) 754-3016

Other Identifiers 1

Medicaid1437117512MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and more.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

Chris Paul Liakonis Do 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 ID3779522347
PECOS Enrollment IDI20250428002361
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 Reassignments

7

Medicare enrollment records show Chris Liakonis reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marshfield Clinic Inc
1.2 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Mchs Hospitals Inc
1.2 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1952890873 (Wisconsin)
  • 2,476 clinicians in this Medicare group
NPI 1093221434 (715) 387-5511
Memorial Hospital, Inc
23 mi
Clinical Medical Laboratory
216 SUNSET PL, MEMORIAL HOSPITAL, INC
Neillsville, WI 54456
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1346239373 (Wisconsin)
  • 1,283 clinicians in this Medicare group
NPI 1679746747 (715) 743-3101
Lakeview Medical Center Inc Of Rice Lake
85 mi
Clinic/Center
806 2ND ST
Chetek, WI 54728
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,616 clinicians in this Medicare group
NPI 1659008605 (715) 924-2000
Flambeau Hospital Inc
88 mi
Clinic/Center
98 SHERRY AVE
Park Falls, WI 54552
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1700963048 (Wisconsin)
  • 1,351 clinicians in this Medicare group
NPI 1194317966 (715) 762-2484
Beaver Dam Community Hospitals Inc
102 mi
Family Medicine
180 GATEWAY DR
Waupun, WI 53963
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,447 clinicians in this Medicare group
NPI 1629374780 (920) 345-1306
Dlp Marquette Physician Practices Inc
124 mi
Family Medicine
1500 W ICE LAKE RD
Iron River, MI 49935
  • Reassigned Medicare billing, Michigan enrollment
  • 440 clinicians in this Medicare group
NPI 1790033207 (906) 265-5378

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

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.

Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520037
Location611 St Joseph AveMarshfield, WI 54449 · Wood County
Emergency services Birthing friendly

Marshfield Medical Center - Weston

Acute Care Hospitals · Weston, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520202
Location3400 Ministry ParkwayWeston, WI 54476 · Marathon County
Emergency services Birthing friendly

Marshfield Medical Center - Minocqua

Acute Care Hospitals · Minocqua, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520212
Location9576 Highway 70Minocqua, WI 54548 · Oneida County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54449 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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 16

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

MICHAEL J. KATSNELSON M.D.
Psychiatry & Neurology (Neurology)
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
MR. JOSHUA DANIEL SMITH DO
Otolaryngology
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
ZAIN WAHAB
Family Medicine
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
DR. ABDALLAH QASIM MBBS
Internal Medicine (Nephrology)
1000 N OAK AVENUE, OR
MARSHFIELD, WI 54449
Wood County (715) 387-5511
DR. BRETT SORGE MD
Emergency Medicine
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
DR. LUIS H ZAMORA-SILIEZAR M.D.
Pediatrics (Pediatric Endocrinology)
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
MATTHEW JOHN BILLER MD
Psychiatry & Neurology (Psychiatry)
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
JASMIN MORADI MD
Pediatrics (Pediatric Critical Care Medicine)
1000 N OAK AVENUE
MARSHFIELD, WI 54449
Wood County (715) 387-5511

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chris Liakonis's NPI number?

The NPI number for Chris Liakonis is 1437117512. It was assigned to this individual provider in the NPPES registry on May 1, 2006.

Where is Chris Liakonis located?

Chris Liakonis practices at 1000 N Oak Avenue, Marshfield, WI 54449. The listed phone number is (715) 387-5511.

What is Chris Liakonis's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Chris Liakonis enrolled in Medicare?

Yes. Chris Liakonis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Chris Liakonis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chris Liakonis reassigns Medicare benefits to 7 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Flambeau Hospital Inc (Park Falls, WI) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chris Liakonis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chris Liakonis accept?

Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and Security Health Plan list Chris Liakonis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Chris Liakonis affiliated with any hospitals?

According to CMS data, Chris Liakonis is affiliated with Marshfield Medical Center, Marshfield Medical Center - Weston and Marshfield Medical Center - Minocqua.

When was this NPI record last updated?

The NPPES record for Chris Liakonis was last updated on May 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.