Dr. Erin O. Lange, MD
- Medicare services, 2024
- 163
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 213
- Publications
- 7
- Hospital affiliations
- 1
- Practice address
- 700 South Park St, Madison, WI 53715
- Practice phone
- Call (608) 251-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lange's professional email, personal email and mobile number
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Dr. Erin O. Lange is a colorectal surgeon in Madison, Wisconsin
Dr. Lange practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
Dr. Lange's NPI, 1326084526, was assigned on June 22, 2006. Dr. Lange graduated from University Of Washington School Of Medicine in 2006. Dr. Lange's Wisconsin license number on file is 51313.
- NPI
- 1326084526NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981829751
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 251-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erin O. Lange practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin
Dr. Lange's primary practice is SSM Health St. Mary's Hospital - Madison, at 700 South Park St, Madison, WI 53715 in Dane County. The practice phone is (608) 251-6100.
- SSM Health St. Mary's Hospital - Madison700 South Park St, Madison, WI 53715 · Dane CountyPhone(608) 251-6100
Source: Dmand AI Affiliation Data
Dr. Erin O. Lange is affiliated with 1 site of care and 1 medical group
Dr. Lange's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. The medical group on file is SSM Health Dean Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erin O. Lange's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lange practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - Madison | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erin O. Lange is one of 29 colorectal surgeons in Wisconsin
Colon and rectal surgery is Dr. Lange's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Lange is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Lange's licenses on file in 3 states: Wisconsin, Washington and Minnesota.
Specialties and state licenses
- Colon and rectal surgery, WisconsinPrimary
- Surgery, Washington
- Minnesota license
Clinical focus
Dmand AI lists colonoscopy, colon removal and hemorrhoids among the conditions Dr. Lange treats.
Colorectal surgeons near Dr. Lange
Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Erin O. Lange billed Medicare for 163 services in 2024
CMS data shows 163 Medicare services from Dr. Lange across 6 procedure codes in 2024, for 123 Medicare patients. Medicare paid $29,610 for them.
Dr. Lange's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 912024: 12133%
- Surgery
- 2023: 392024: 428%
Where Dr. Lange's Medicare services took place, 2024
- In an office15293%
- In a facility117%
Dr. Lange compared with the Wisconsin median for colorectal surgeons, 2024
- Dr. Lange
- Wisconsin median
- Medicare services
- 163vs 792.1 times
- Medicare patients
- 123vs 9234% above
- Part D claims
- 154vs 8679% above
Medians across 29 colorectal surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Lange's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lange?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lange and other colorectal surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erin O. Lange treated 123 Medicare patients in 2024, average age 71
CMS counts 123 Medicare patients who saw Dr. Lange in 2024. The largest group is 65 to 74, with 74 patients. 65% of them have high cholesterol, and 60% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lange's median patient age at 62, with 62% women.
Dr. Lange's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lange's Medicare patients by sex, 2024
- Women8065%
- Men4335%
Chronic conditions among Dr. Lange's Medicare patients, 2024
- High cholesterol65%
- High blood pressure60%
- Arthritis33%
- Diabetes33%
- Chronic kidney disease32%
- Mood disorders26%
- Anxiety24%
- Cancer24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lange's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erin O. Lange wrote 213 Medicare Part D claims in 2024
In 2024, Dr. Lange wrote 213 Medicare Part D claims for 79 patients. 100% of them were for generic drugs. CMS names the drug for 154 of them, across 4 drugs with 11 or more claims each, at $739 in total drug cost. In 2023, CMS named 144 claims across 4 drugs.
Dr. Lange's Part D claims by kind of drug, 2024
- Generic212 claims100%
- Brand-name and other1 claims0%
Dr. Lange's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lange's Part D claims, 2024
- Opioids8%16 of 213 claims
- Antibiotics51%109 of 213 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1442024: 1547%
Drugs named by CMS: 4 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Erin O. Lange ranks in the 53rd percentile for colonoscopy in Medicare
Dr. Lange accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lange as offering telehealth. CMS counts 29 procedures of colonoscopy by Dr. Lange, more than 53% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lange ranks in Medicare procedure volume
- Colonoscopy
- 53rd percentile29 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Erin O. Lange has 7 publications on record
Dmand AI links 7 papers to Dr. Lange, published from 2013 to 2018. 2015 was the busiest year, with 2. Dr. Lange has published most often in Curr Probl Surg. Dr. Lange's most frequent co-authors are Alessandro Fichera, MD, Marie C. Audett, MD and Amir Loucas Bastawrous, MD.
Dr. Lange's papers by year, 2013 to 2018
Dr. Lange's most frequent co-authors
- Alessandro Fichera, MD2 shared papers
- Marie C. Audett, MD1 shared paper
- Amir Loucas Bastawrous, MD1 shared paper
Recent publications by Dr. Lange
J Gastrointest Surg
Curr Probl Surg
See who Dr. Lange researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lange works with, so you can find a warm path to the right colorectal surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Erin O. Lange received $9,154 in industry payments from 2017 to 2019
CMS Open Payments shows 9 general payments to Dr. Lange from 1 drug or device company from 2017 to 2019. Education make up the largest share, 98% of the total. Intuitive Surgical, Inc. paid the most, $9,154.
General payments to Dr. Lange by program year, 2017 to 2019
General payments to Dr. Lange by kind, 2017 to 2019
- Education$9,00098%
- Food and beverage$1542%
Companies that paid Dr. Lange the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erin O. Lange has 6 awards and honors on record
Dmand AI lists 6 awards for Dr. Lange, most recently �Best Oral Presentation�, Annual Research Summit in 2012.
Awards and honors for Dr. Lange
- 2012
- �Best Oral Presentation�, Annual Research Summit
- 2009
- �Best Clinical Presentation�, Resident Research Day
- 2008
- David Kindig Administrative Medicine Scholarship
- 2000
- Department of Communication Sciences & Disorders Undergraduate Honors Book Award
- 1999
- Department of Communication Sciences & Disorders Quarterly Deans List
- 1998
- Freshman Emerging Leaders Program
Source: Dmand AI Professional Profile Data
Dr. Erin O. Lange graduated from University Of Washington School Of Medicine
Dr. Lange graduated from University Of Washington School Of Medicine in 2006.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Erin O. Lange accepts plans from 7 insurance carriers
Dr. Lange is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- AK State Medicaid
- CMS Medicare
- Medica
- WI State Medicaid
Plan types Dr. Lange accepts, by number of carriers
- HMO3
- Medicare3
- POS3
- PPO3
- Medicaid2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Erin O. Lange's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Erin O. Lange
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Erin O. Lange's NPI number?
Dr. Erin O. Lange's NPI number is 1326084526. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Erin O. Lange?
Dr. Erin O. Lange is a colorectal surgeon in Madison, Wisconsin. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Erin O. Lange practice?
Dr. Lange practices at 700 South Park St, Madison, WI 53715. Dr. Lange's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
What is Dr. Erin O. Lange's office phone number?
The practice phone on file for Dr. Lange is (608) 251-6100.
What is Dr. Erin O. Lange's medical license number?
Dr. Lange's Wisconsin license number on file is 51313, one of the licenses on file in 3 states.
Which states has Dr. Erin O. Lange been licensed in?
Dmand AI has state licenses on file for Dr. Lange in Wisconsin (2008 to 2025), Washington (2014 to 2021) and Minnesota (2013 to 2015).
Which hospitals is Dr. Erin O. Lange affiliated with?
Dr. Lange practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin.
What medical group is Dr. Erin O. Lange part of?
Dr. Lange is linked to SSM Health Dean Medical Group.
Does Dr. Erin O. Lange accept Medicare?
Yes. CMS data shows Dr. Lange billed Medicare for 163 services in 2024, and Dr. Lange accepts Medicare assignment.
Does Dr. Erin O. Lange offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lange as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Erin O. Lange see?
CMS counts 123 Medicare patients who saw Dr. Lange in 2024, with an average age of 71.
Is Dr. Erin O. Lange board certified?
Yes. Dr. Lange is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. Erin O. Lange bill to Medicare?
In 2024, Dr. Lange's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and surgery: digestive system (46600).
Where did Dr. Erin O. Lange go to medical school?
Dr. Lange graduated from University Of Washington School Of Medicine in 2006.
What drugs does Dr. Erin O. Lange prescribe most?
In 2024 Medicare Part D data, Dr. Lange's most prescribed drugs by claims were Metronidazole, Neomycin Sulfate and Ondansetron HCl.
Has Dr. Erin O. Lange received payments from drug or device companies?
CMS Open Payments shows $9,154 in general payments to Dr. Lange from 1 company from 2017 to 2019. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Erin O. Lange been practicing?
Dr. Lange graduated from medical school in 2006, 20 years ago.
Does Dr. Erin O. Lange do research?
Dmand AI links 7 publications to Dr. Lange, published from 2013 to 2018.
Who does Dr. Erin O. Lange publish with?
Dr. Lange's most frequent co-authors are Alessandro Fichera, MD (2 shared papers), Marie C. Audett, MD (1 shared paper) and Amir Loucas Bastawrous, MD (1 shared paper).
What insurance does Dr. Erin O. Lange accept?
Dr. Lange is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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