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Edit this profileWhere to find David Nilsen, D.O.
- Janesville location main office
557 N Washington St, Janesville, WI 53548 - Lake Geneva location
N2950 State Road 67, Lake Geneva, WI 53147
About Dr. Nilsen
Based in Janesville, WI, David Nilsen, D.O. is listed in the NPI registry under orthopaedic surgery. David graduated from Michigan State University College of Osteopathic Medicine in 2005. According to Medicare claims data, David cared for 537 Medicare patients across 787 services. The services billed most often include x-ray of knee, 3 views, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid large joint using ultrasound guidance. NPI 1588811244 identifies this record in the national registry.
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
- (608) 754-6000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
557 N WASHINGTON ST
Janesville, WI 53548
N2950 State Road 67
Lake Geneva, WI 53147
Conditions Commonly Evaluated or Treated
Within Orthopedic 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
Pain
Pediatric and tumor
- Slipped capital femoral epiphysis
Spine
- Cervical spondylosis
- Lumbar spondylosis
- Herniated disc
- Scoliosis
- Spinal stenosis
Most searched conditions
Elbow, hand, and wrist
- Cubital tunnel syndrome
- Golfer's elbow
- Tennis elbow
- Trigger finger
- Wrist fracture
Foot and ankle
Hip
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
Trauma and bone
Foot & Ankle
Procedures & services
Ankle surgery
Evaluation and nonsurgical
- Closed fracture treatment
- Joint injection or aspiration
- Orthopedic evaluation
- Cast placement and management
Foot & Ankle
- Ankle Ligament Surgery
- Hammertoe Surgery
Foot and ankle
- Ankle arthroscopy
- Ankle fusion
- Total ankle replacement
- Bunion surgery
Hand and upper extremity
- Wrist fracture fixation
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Joint replacement
- Total hip replacement
- Total knee replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Nerves & spine
- Spine surgery consultation
Orthopedics
- ACL reconstruction consultation
- Carpal tunnel surgery consultation
- Hip replacement consultation
- Knee replacement consultation
- Torn rotator cuff consultation
Post-Op Care
- Cast Removal
Spine
- Anterior cervical discectomy and fusion
Spine & Orthopedics
- Bunion Surgery Consultation
- Foot and Ankle Surgery Consultation
- Shoulder Surgery Consultation
- Surgical Hardware Removal Consultation
- Trigger Finger Release Consultation
Trauma and fixation
- External fracture fixation
- Intramedullary nailing
- Repair of fracture nonunion
- Open reduction and internal fixation
Tumor and pediatric
- Bone or soft-tissue tumor resection
- Limb-sparing cancer surgery
- Pediatric corrective osteotomy
Most searched procedures
- Achilles tendon repair
- ACL reconstruction
- Carpal tunnel surgery
- Hip replacement
- Knee replacement
Arthroscopy
- Hip arthroscopy
- Rotator cuff repair
- Shoulder arthroscopy
Hand & Wrist
- De Quervain's Release
Injections & Non-Surgical
Injections & pain relief
- Cortisone Shot for Joint Pain
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
- Shoulder labrum repair
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Procedures Most Often Billed to Medicare
787 services · 537 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
128 | More often than most peers in Orthopaedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
184 | More often than most peers in Orthopaedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
71 | As often as other peers in Orthopaedic Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
27 | As often as other peers in Orthopaedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
27 | Less often than most peers in Orthopaedic Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
23 | As often as other peers in Orthopaedic Surgery |
| X-ray of knee, 1-2 views | Imaging | 73560 |
22 | Less often than most peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
133 | As often as other peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
79 | As often as other peers in Orthopaedic Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
64 | More often than most peers in Orthopaedic 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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Other orthopaedic surgeons in Janesville 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Michigan State University College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Michigan State University College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 7
Providers in WI who bill this service to Medicare most often.
Common questions
What is David Nilsen's specialty?
David Nilsen is an orthopaedic surgeon in Janesville, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where can I find David Nilsen?
David Nilsen is listed at 557 N Washington St, Janesville, WI 53548. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David Nilsen?
The number on file is (608) 754-6000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David Nilsen's NPI number?
David Nilsen's National Provider Identifier is 1588811244. 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
What is David Nilsen's education?
David Nilsen attended Michigan State University College of Osteopathic Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has David Nilsen been practicing?
David Nilsen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is David Nilsen known for?
According to Medicare billing data, David Nilsen performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance; reads or performs imaging such as x-ray of knee, 3 views and x-ray of hip, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has David Nilsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David Nilsen. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.