Dr. Kirk A. Ludwig, MD

  • Milwaukee, WI
  • General surgeon
NPI1750465803PAC ID6608950506
Medicare services, 2024
273
Medicare patients, 2024
131
Part D claims, 2022
16
Publications
100
Clinical trials
1
Practice address
9200 W Wisconsin Ave, Milwaukee, WI 53226
Practice phone
Call (414) 805-3000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Froedtert Hospital

Hospital · Milwaukee, Wisconsin

See all 4 affiliations

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Dr. Kirk A. Ludwig is a general surgeon in Milwaukee, Wisconsin

Dr. Ludwig practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.

Dr. Ludwig's NPI, 1750465803, was assigned on October 25, 2006. Dr. Ludwig graduated from University Of Cincinnati College Of Medicine in 1988. Dr. Ludwig's Wisconsin license number on file is 30451.

NPI and contact details
Medicare PAC ID
6608950506
NPI enumeration date
October 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(414) 805-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Kirk A. Ludwig practices at Froedtert Hospital in Milwaukee, Wisconsin

Dr. Ludwig's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.

  • Froedtert Hospital
    9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000

Source: Dmand AI Affiliation Data

Dr. Kirk A. Ludwig is affiliated with 3 sites of care and 1 medical group

Dr. Ludwig's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dr. Ludwig is also affiliated with Froedtert West Bend Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Ludwig to 1 more home health agency, named with a free account.

See all 4 affiliations for Dr. Ludwig

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kirk A. Ludwig's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludwig practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Froedtert HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ludwig practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Kirk A. Ludwig is one of 565 general surgeons in Wisconsin

Surgery is Dr. Ludwig's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ludwig is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Ludwig's licenses on file in 3 states: Wisconsin, North Carolina and Ohio.

Specialties and state licenses

  • Surgery, WisconsinPrimaryLicense 30451 · 1989 to 2025 · taxonomy 208600000X
  • North Carolina licenseLicense 96-00989 · 1996 to 2025
  • Ohio license1994 to 1996

Clinical focus

Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Ludwig treats.

General surgeons near Dr. Ludwig

Counts of general 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. Kirk A. Ludwig billed Medicare for 273 services in 2024

CMS data shows 273 Medicare services from Dr. Ludwig across 7 procedure codes in 2024, for 131 Medicare patients. Medicare paid $10,140 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024273
Medicare patients131
Paid by Medicare$10,140
Procedure codes7

Dr. Ludwig's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1292024: 17737%
Surgery
2023: 702024: 9637%

Dr. Ludwig compared with the Wisconsin median for general surgeons, 2024

  • Dr. Ludwig
  • Wisconsin median
Medicare services
273vs 992.8 times
Medicare patients
131vs 10031% above
Part D claims
16vs 3757% below

Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.

Dr. Ludwig'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.

See all procedures by Dr. Ludwig

Need commercial claims for Dr. Ludwig?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ludwig and other general surgeons in Wisconsin.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kirk A. Ludwig treated 131 Medicare patients in 2024, average age 70

CMS counts 131 Medicare patients who saw Dr. Ludwig in 2024. The largest group is 65 to 74, with 76 patients. 63% of them have high blood pressure, and 60% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ludwig's median patient age at 55, with 47% women.

Medicare patients, 2024131
Average age70
Average risk score1.70
Also on Medicaid19%

Dr. Ludwig's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ludwig's Medicare patients by sex, 2024

  • Women6751%
  • Men6449%

Chronic conditions among Dr. Ludwig's Medicare patients, 2024

  1. High blood pressure63%
  2. High cholesterol60%
  3. Cancer54%
  4. Arthritis50%
  5. Anxiety27%
  6. Chronic kidney disease24%
  7. Mood disorders23%
  8. Ischemic heart disease22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ludwig's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Kirk A. Ludwig wrote 16 Medicare Part D claims in 2022

In 2022, Dr. Ludwig wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $2,010 in total drug cost. In 2021, CMS named 32 claims across 2 drugs.

Part D claims, 202216
Drugs named by CMS1
Total drug cost$2,010

Dr. Ludwig's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 322022: 1650%

Drugs named by CMS: 1 in 2022, 2 in 2021.

See all prescribing by Dr. Ludwig

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Kirk A. Ludwig scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Ludwig for performance year 2024, reported as part of a group. Dr. Ludwig accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ludwig as offering telehealth. CMS counts 71 procedures of colonoscopy by Dr. Ludwig, more than 71% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ludwig's MIPS scores, performance year 2024

  • 88of 100Final score
  • 82.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Ludwig ranks in Medicare procedure volume

Colonoscopy
71st percentile71 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Kirk A. Ludwig has 100 publications on record

Dmand AI links 100 papers to Dr. Ludwig, published from 2005 to 2025. 2018 was the busiest year, with 5. The most frequent topics are Postoperative Complications, Rectal Neoplasms and Rats, Sprague-Dawley. Dr. Ludwig has published most often in Dis Colon Rectum. Dr. Ludwig's most frequent co-authors are Carrie Yvonne Peterson, MD, Timothy Joseph Ridolfi, MD and Irena Gribovskaja-Rupp, MD.

Papers100
Years published2005 to 2025

Dr. Ludwig's papers by year, 2016 to 2025

Topics Dr. Ludwig writes about most

  • Postoperative Complications
  • Rectal Neoplasms
  • Rats, Sprague-Dawley
  • Colectomy
  • Colon
  • Laparoscopy
  • Adenocarcinoma
  • Oxytocin

Dr. Ludwig's most frequent co-authors

Recent publications by Dr. Ludwig

See all 100 publications and co-authors

See who Dr. Ludwig researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ludwig works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Kirk A. Ludwig has worked on 1 clinical trial

Dmand AI links Dr. Ludwig to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Rectal Neoplasms and Rectal Diseases.

Conditions in Dr. Ludwig's trials

  • Rectal Neoplasms
  • Rectal Diseases

Investigators on the most trials with Dr. Ludwig

Recent clinical trials with Dr. Ludwig

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Kirk A. Ludwig received $3,984 in industry payments from 2016 to 2024

CMS Open Payments shows 15 general payments to Dr. Ludwig from 9 drug and device companies from 2016 to 2024. Honoraria make up the largest share, 50% of the total. Applied Medical Resources Corporation paid the most, $3,164.

General payments to Dr. Ludwig by program year, 2016 to 2024

General payments to Dr. Ludwig by kind, 2016 to 2024

$4Kin total
  • Honoraria$2,00050%
  • Travel and lodging$1,10028%
  • Food and beverage$73518%
  • Speaker and faculty fees$1504%

Companies that paid Dr. Ludwig the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Ludwig

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Kirk A. Ludwig has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Ludwig, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Ludwig

  1. 2014
    • America's Top Doctors
  2. 2013
    • America's Top Doctors for Cancer
    • CMS Stage 1 EHR
  3. 2012
    • Super Doc
  4. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Kirk A. Ludwig graduated from University Of Cincinnati College Of Medicine

Dr. Ludwig graduated from University Of Cincinnati College Of Medicine in 1988. Dr. Ludwig is a member of ACS.

  1. Medical schoolUniversity Of Cincinnati College Of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Kirk A. Ludwig accepts plans from 17 insurance carriers

Dr. Ludwig is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +9 more carriersWith a free account

Plan types Dr. Ludwig accepts, by number of carriers

  1. PPO10
  2. HMO8
  3. Medicare8
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Kirk A. Ludwig's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Kirk A. Ludwig

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. Kirk A. Ludwig's NPI number?

Dr. Kirk A. Ludwig's NPI number is 1750465803. It was assigned on October 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Kirk A. Ludwig?

Dr. Kirk A. Ludwig is a general surgeon in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Kirk A. Ludwig practice?

Dr. Ludwig practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Dr. Ludwig's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Ludwig to 1 home health agency.

What is Dr. Kirk A. Ludwig's office phone number?

The practice phone on file for Dr. Ludwig is (414) 805-3000.

What is Dr. Kirk A. Ludwig's medical license number?

Dr. Ludwig's Wisconsin license number on file is 30451, one of the licenses on file in 3 states.

Which states has Dr. Kirk A. Ludwig been licensed in?

Dmand AI has state licenses on file for Dr. Ludwig in Wisconsin (1989 to 2025), North Carolina (1996 to 2025) and Ohio (1994 to 1996).

Which hospitals is Dr. Kirk A. Ludwig affiliated with?

Dr. Ludwig practices at Froedtert Hospital in Milwaukee, Wisconsin. Dr. Ludwig is also affiliated with Froedtert West Bend Hospital.

What medical group is Dr. Kirk A. Ludwig part of?

Dr. Ludwig is linked to Froedtert & the Medical College of Wisconsin Community Physicians.

Does Dr. Kirk A. Ludwig accept Medicare?

Yes. CMS data shows Dr. Ludwig billed Medicare for 273 services in 2024, and Dr. Ludwig accepts Medicare assignment.

Does Dr. Kirk A. Ludwig offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ludwig as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Kirk A. Ludwig's MIPS score?

Dr. Ludwig's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Kirk A. Ludwig see?

CMS counts 131 Medicare patients who saw Dr. Ludwig in 2024, with an average age of 70.

Is Dr. Kirk A. Ludwig board certified?

Yes. Dr. Ludwig is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Kirk A. Ludwig bill to Medicare?

In 2024, Dr. Ludwig's most billed Medicare services were office visit, established patient (99212), surgery: digestive system (45300) and office visit, established patient (99213).

Where did Dr. Kirk A. Ludwig go to medical school?

Dr. Ludwig graduated from University Of Cincinnati College Of Medicine in 1988.

What drugs does Dr. Kirk A. Ludwig prescribe most?

In 2022 Medicare Part D data, Dr. Ludwig's most prescribed drugs by claims were Enoxaparin Sodium.

Has Dr. Kirk A. Ludwig received payments from drug or device companies?

CMS Open Payments shows $3,984 in general payments to Dr. Ludwig from 9 companies from 2016 to 2024. The largest total came from Applied Medical Resources Corporation.

How long has Dr. Kirk A. Ludwig been practicing?

Dr. Ludwig graduated from medical school in 1988, 38 years ago.

Does Dr. Kirk A. Ludwig do research?

Dmand AI links 100 publications to Dr. Ludwig, published from 2005 to 2025. Dr. Ludwig has worked on 1 clinical trial.

Who does Dr. Kirk A. Ludwig publish with?

Dr. Ludwig's most frequent co-authors are Carrie Yvonne Peterson, MD (24 shared papers), Timothy Joseph Ridolfi, MD (23 shared papers) and Irena Gribovskaja-Rupp, MD (6 shared papers).

What insurance does Dr. Kirk A. Ludwig accept?

Dr. Ludwig is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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