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- 425 Pine Ridge Blvd, Suite 209, Wausau, WI 54401
About John Johnkoski
John A. Johnkoski is a healthcare provider in Wausau, WI specializing in thoracic surgery. John trained at University of Michigan Medical School, graduating in 1988. John is also listed as specializing in thoracic surgery (cardiothoracic). Medicare claims data shows John provided 283 services to 205 patients. The services billed most often include anticoagulant management of patient taking warfarin, replacement of aortic valve through the skin and femoral artery, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. This provider record is associated with NPI 1992737035.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (715) 847-0400
- Email not available
Practice Locations
425 PINE RIDGE BLVD SUITE 209
Wausau, WI 54401
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Airway
- Floppy Windpipe
- Hole Between Windpipe and Food Pipe
- Narrowed windpipe
- Windpipe Cancer
Chest tumors
- Mass between the lungs
- Thymus tumor
Chest wall
- Broken ribs
- Chest wall tumor
- Pigeon chest
- Slipping Rib Syndrome
- Sunken chest
Diaphragm
- Diaphragmatic hernia
- Paralyzed diaphragm
Esophagus
- Esophagus Spasms
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
- Deep Chest Infection
Lung
- Bronchiectasis
- Congenital Lung Malformation
- Lung Bullae
- Persistent Air Leak
- Pulmonary fibrosis
Lung cancer
- Cancer Spread to the Lung
- Lung cancer
- Mesothelioma
Lung conditions
- Collapsed lung
- COPD
- Coughing up blood
- Fluid around the lungs
- Lung abscess
- Suspicious Lung Spot
Nerves
- Severe Facial Blushing
Nerves and blood vessels
Neuromuscular
Pleural disease
- Asbestos lung damage
- Lymph Fluid Leak in Chest
Sweating disorders
- Excessive sweating
- Excessive underarm sweating
Trauma
- Broken Breastbone
Vascular
- Blocked Chest Vein
Procedures & services
Airway
- Surgical Tracheostomy
Airway surgery
- Airway surgery
- Windpipe stent placement
Chest tumors
- Chest tumor removal
- Thymus removal surgery
Chest wall
- Pigeon Chest Repair
- Slipping Rib Surgery
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
- Bronchoscopy
- Needle biopsy of lung
Diagnostics
- EBUS lung biopsy
- Robotic Navigational Bronchoscopy
- Surgical Lung Biopsy
Diaphragm
- Diaphragm Pacemaker Implantation
Diaphragm surgery
- Diaphragm repair surgery
Emphysema
- Lung Volume Reduction Surgery
Esophagus
- Achalasia Surgery
- Esophageal Pouch Surgery
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
- Chest tube insertion
- Draining lung fluid
- Permanent chest drain insertion
- Pleural sealing procedure
Heart lining
- Heart Fluid Drainage (Pericardiocentesis)
- Pericardial Window Surgery
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
- Surgery for Facial Blushing
Pleural disease
- Chest Lymph Duct Ligation
Robotic surgery
- Robotic chest surgery
Surgical approach
- Open Chest Surgery
Sweat surgery
Transplant
- Lung Transplant
Trauma
- Broken Breastbone Surgery
Procedures Most Often Billed to Medicare
283 services · 205 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
64 | More often than most peers in Thoracic Surgery |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
28 | More often than most peers in Thoracic Surgery |
| Harvest of vein using an endoscope | Procedure | 33508 |
12 | Less often than most peers in Thoracic Surgery |
| Exam of lung with removal of lung lobe using an endoscope | Procedure | 32663 |
11 | Less often than most peers in Thoracic Surgery |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
97 | Too few peers to compare |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
32 | More often than most peers in Thoracic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 | As often as other peers in Thoracic Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | More often than most peers in Thoracic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other thoracic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1988 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 7
Providers in WI who bill this service to Medicare most often.
Common questions
What does John A. Johnkoski specialize in?
John A. Johnkoski is a thoracic surgeon in Wausau, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Thoracic Surgery”.
NPI registry
Where is John A. Johnkoski located?
John A. Johnkoski is listed at 425 Pine Ridge Blvd Suite 209, Wausau, WI 54401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John A. Johnkoski's phone number?
The number on file is (715) 847-0400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John A. Johnkoski?
John A. Johnkoski's National Provider Identifier is 1992737035. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did John A. Johnkoski train?
John A. Johnkoski attended University of Michigan Medical School, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John A. Johnkoski have?
John A. Johnkoski has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does John A. Johnkoski do most often?
According to Medicare billing data, John A. Johnkoski performs procedures including replacement of aortic valve through the skin and femoral artery, coronary artery bypass using artery graft, 1 graft and harvest of vein using an endoscope; provides treatments such as anticoagulant management of patient taking warfarin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John A. Johnkoski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John A. Johnkoski. If this is you, claiming it is free.
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