Physician Profile
Based in Wausau, WI, James M. Cygan, MD is listed in the NPI registry under internal medicine. James graduated from Northwestern University Feinberg Medical School in 1996. According to Medicare claims data, James cared for 1,816 Medicare patients across 1,875 services. The services billed most often include sleep study including heart rate, breathing, airflow, and effort, test to examine how well the lungs exchange gases, and test to determine lung volumes using sensors.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
425 PINE RIDGE BLVD SUITE 200
Wausau, WI 54401
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
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Lungs & Breathing
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Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
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Digestive
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1,875 services · 1,816 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
349 | More than most peers in Internal Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
236 | More than most peers in Internal Medicine |
| Test to determine lung volumes using sensors | Treatment | 94726 |
233 | More than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
201 | More than most peers in Internal Medicine |
| Test for exercise-induced lung stress | Treatment | 94618 |
86 | More often than most peers in Internal Medicine |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
83 | More than most peers in Internal Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
82 | More than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
51 | More often than most peers in Internal Medicine |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
49 | More than most peers in Internal Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
20 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Cygan is an internist in Wausau, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Cygan is listed at 425 Pine Ridge Blvd Suite 200, Wausau, WI 54401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (715) 847-2480. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Cygan's National Provider Identifier is 1235145210. 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
Dr. Cygan attended Northwestern University Feinberg Medical School, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Dr. Cygan has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Cygan provides treatments such as sleep study including heart rate, breathing, airflow, and effort and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cygan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.