Dr. Mark S. Topolski, MD
- Medicare services, 2024
- 666
- Medicare patients, 2024
- 338
- Part D claims, 2024
- 445
- Publications
- 3
- Hospital affiliations
- 4
- Practice address
- 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601
- Practice phone
- Call (608) 775-3176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Medical Center - Dialysis
Dialysis Center - Hospital-Based · La Crosse, Wisconsin
Find Dr. Topolski's professional email, personal email and mobile number
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Dr. Mark S. Topolski is an orthopedic surgeon in La Crosse, Wisconsin
Dr. Topolski practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
Dr. Topolski's NPI, 1386618916, was assigned on February 13, 2006. Dr. Topolski graduated from University of Virginia School of Medicine in 2002. Dr. Topolski holds Wisconsin license 55529.
- NPI
- 1386618916NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941497762
- NPI enumeration date
- February 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Topolski practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
Dr. Topolski's primary practice is Gundersen Lutheran Medical Center - Dialysis, at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-3176.
- Gundersen Lutheran Medical Center - Dialysis1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-3176
Source: Dmand AI Affiliation Data
Dr. Mark S. Topolski is affiliated with 7 sites of care and 4 medical groups
Dr. Topolski's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dr. Topolski is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Topolski to 3 more hospitals, 3 medical groups and 2 group practices and clinics, each named with a free account. Dr. Topolski's employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark S. Topolski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Topolski practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Medical Center - Dialysis | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark S. Topolski is one of 526 orthopedic surgeons in Wisconsin
Orthopaedic surgery is Dr. Topolski's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Topolski's licenses on file in 3 states: Wisconsin, Iowa and Minnesota.
Specialties and state licenses
- Orthopaedic surgery, WisconsinPrimary
- Iowa license
- Minnesota license
Orthopedic surgeons near Dr. Topolski
Counts of orthopedic 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. Mark S. Topolski billed Medicare for 666 services in 2024
CMS data shows 666 Medicare services from Dr. Topolski across 9 procedure codes in 2024, for 338 Medicare patients. Medicare paid $135,617 for them.
Dr. Topolski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3272024: 3476%
- Office and hospital visits
- 2023: 2952024: 3198%
Where Dr. Topolski's Medicare services took place, 2024
- In an office18127%
- In a facility48573%
Dr. Topolski compared with the Wisconsin median for orthopedic surgeons, 2024
- Dr. Topolski
- Wisconsin median
- Medicare services
- 666vs 43952% above
- Medicare patients
- 338vs 17297% above
- Part D claims
- 415vs 705.9 times
Medians across 543 orthopedic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Topolski'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Topolski and other orthopedic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Topolski treated 338 Medicare patients in 2024, average age 74
CMS counts 338 Medicare patients who saw Dr. Topolski in 2024. The largest group is 65 to 74, with 182 patients. 75% of them have arthritis, and 67% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Topolski's median patient age at 72, with 57% women.
Dr. Topolski's Medicare patients by age, 2024
Dr. Topolski's Medicare patients by sex, 2024
- Women20460%
- Men13440%
Chronic conditions among Dr. Topolski's Medicare patients, 2024
- Arthritis75%
- High cholesterol67%
- High blood pressure66%
- Chronic kidney disease28%
- Diabetes26%
- Mood disorders23%
- Anxiety22%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Topolski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark S. Topolski wrote 445 Medicare Part D claims in 2024
In 2024, Dr. Topolski wrote 445 Medicare Part D claims for 213 patients. 99% of them were for generic drugs. CMS names the drug for 415 of them, across 4 drugs with 11 or more claims each, at $591 in total drug cost. In 2023, CMS named 356 claims across 4 drugs.
Dr. Topolski's Part D claims by kind of drug, 2024
- Generic442 claims99%
- Brand-name and other3 claims1%
Dr. Topolski'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. Topolski's Part D claims, 2024
- Opioids22%97 of 445 claims
- Antibiotics74%328 of 445 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: 3562024: 41517%
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. Mark S. Topolski ranks in the 91st percentile for hip replacement in Medicare
Dr. Topolski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 61 procedures of hip replacement by Dr. Topolski, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Topolski ranks in Medicare procedure volume
- Knee replacement
- 90th percentile84 procedures
- Hip replacement
- 91st percentile61 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark S. Topolski has 3 publications on record
Dmand AI links 3 papers to Dr. Topolski, published from 2016 to 2021. The most frequent topics are Arthroplasty, Replacement, Knee and Length of Stay. Dr. Topolski has published most often in J Clin Anesth. Dr. Topolski's most frequent co-authors are Beth Allyn Vanderwielen, MD, Shanu Nikhil Kothari, MD and Emanuel Eugene Nearing, MD.
Dr. Topolski's papers by year, 2016 to 2021
Topics Dr. Topolski writes about most
- Arthroplasty, Replacement, Knee
- Length of Stay
Dr. Topolski's most frequent co-authors
- Beth Allyn Vanderwielen, MD2 shared papers
- Shanu Nikhil Kothari, MD1 shared paper
- Emanuel Eugene Nearing, MD1 shared paper
Recent publications by Dr. Topolski
Surg Obes Relat Dis
See who Dr. Topolski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Topolski works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark S. Topolski received $4,250 in industry payments from 2021 to 2025
CMS Open Payments shows 21 general payments to Dr. Topolski from 2 drug and device companies from 2021 to 2025. Travel and lodging make up the largest share, 64% of the total. Smith & Nephew, Inc. paid the most, $4,145.
General payments to Dr. Topolski by program year, 2021 to 2025
General payments to Dr. Topolski by kind, 2021 to 2025
- Travel and lodging$2,72564%
- Food and beverage$1,52536%
Companies that paid Dr. Topolski the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark S. Topolski graduated from University of Virginia School of Medicine
Dr. Topolski graduated from University of Virginia School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Topolski'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Mark S. Topolski
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What is Dr. Mark S. Topolski's NPI number?
Dr. Mark S. Topolski's NPI number is 1386618916. It was assigned on February 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Topolski?
Dr. Mark S. Topolski is an orthopedic surgeon in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark S. Topolski practice?
Dr. Topolski practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. Dr. Topolski's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links Dr. Topolski to 3 hospitals, 3 medical groups and 2 group practices and clinics.
What is Dr. Mark S. Topolski's office phone number?
The practice phone on file for Dr. Topolski is (608) 775-3176.
What is Dr. Mark S. Topolski's medical license number?
Dr. Topolski holds Wisconsin license 55529, one of the licenses on file in 3 states.
Which states has Dr. Mark S. Topolski been licensed in?
Dmand AI has state licenses on file for Dr. Topolski in Wisconsin, Iowa and Minnesota.
Which hospitals is Dr. Mark S. Topolski affiliated with?
Dr. Topolski is affiliated with Gundersen Lutheran Medical Center. Dmand AI links Dr. Topolski to 3 more hospitals.
What medical group is Dr. Mark S. Topolski part of?
Dr. Topolski is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Topolski to 3 more medical groups.
Does Dr. Mark S. Topolski accept Medicare?
Yes. CMS data shows Dr. Topolski billed Medicare for 666 services in 2024, and Dr. Topolski accepts Medicare assignment.
How many Medicare patients does Dr. Mark S. Topolski see?
CMS counts 338 Medicare patients who saw Dr. Topolski in 2024, with an average age of 74.
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What services does Dr. Mark S. Topolski bill to Medicare?
In 2024, Dr. Topolski's most billed Medicare services were surgery: bones and joints (20610), office visit, established patient (99214) and surgery: bones and joints (27447).
Where did Dr. Mark S. Topolski go to medical school?
Dr. Topolski graduated from University of Virginia School of Medicine in 2002.
What drugs does Dr. Mark S. Topolski prescribe most?
In 2024 Medicare Part D data, Dr. Topolski's most prescribed drugs by claims were Amoxicillin, Clindamycin HCl and Tramadol HCl.
Has Dr. Mark S. Topolski received payments from drug or device companies?
CMS Open Payments shows $4,250 in general payments to Dr. Topolski from 2 companies from 2021 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Mark S. Topolski been practicing?
Dr. Topolski graduated from medical school in 2002, 24 years ago.
Does Dr. Mark S. Topolski do research?
Dmand AI links 3 publications to Dr. Topolski, published from 2016 to 2021.
Who does Dr. Mark S. Topolski publish with?
Dr. Topolski's most frequent co-authors are Beth Allyn Vanderwielen, MD (2 shared papers), Shanu Nikhil Kothari, MD (1 shared paper) and Emanuel Eugene Nearing, MD (1 shared paper).
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