Physician Profile
Erin O. Lange, M.D.
Unclaimed ProfileAbout Dr. Lange
Based in Madison, WI, Erin O. Lange, M.D. is listed in the NPI registry under colon & rectal surgery. Erin graduated from University of Washington School of Medicine in 2006. Erin is also listed as specializing in surgery. According to Medicare claims data, Erin cared for 140 Medicare patients across 163 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and diagnostic exam of anus using an endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
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.
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) 260-2900
- Email not available
Practice Locations
700 S PARK ST STE A
Madison, WI 53715
Procedures Most Often Billed to Medicare
163 services · 140 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
31 | As often as other peers in Colon & Rectal Surgery |
| Partial removal of large bowel and reattachment to rectum using an endoscope | Procedure | 44207 |
11 | Less often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
45 | As often as other peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
39 | More often than most peers in Colon & Rectal 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 |
26 | More often than most peers in Colon & Rectal 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 |
11 | Less often than most peers in Colon & Rectal 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 1
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 colorectal surgeons in Madison 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Washington School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at University of Washington School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Erin O. Lange specialize in?
Erin O. Lange is a colorectal surgeon in Madison, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is Erin O. Lange located?
Erin O. Lange is listed at 700 S Park St Ste A, Madison, WI 53715. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Erin O. Lange's phone number?
The number on file is (608) 260-2900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Erin O. Lange's NPI number?
Erin O. Lange's National Provider Identifier is 1326084526. 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 Erin O. Lange train?
Erin O. Lange attended University of Washington School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Erin O. Lange been practicing?
Erin O. Lange has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Erin O. Lange do most often?
According to Medicare billing data, Erin O. Lange performs procedures including diagnostic exam of anus using an endoscope and partial removal of large bowel and reattachment to rectum using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Erin O. Lange confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Erin O. Lange. 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.