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Aortic Aneurysm, AbdominalAortographyBlood Vessel Prosthesis Implantation
Dr. Clark A. Davis, MD
NPI1316942121PAC ID9133244650
- Medicare services, 2024
- 231
- Medicare patients, 2024
- 222
- Part D claims, 2024
- 156
- Publications
- 1
- Clinical trials
- 3
- Practice address
- 1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429
- Practice phone
- Call (608) 782-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen La Crosse Clinic
Multi-specialty group site · La Crosse, Wisconsin
Find Dr. Davis' professional email, personal email and mobile number
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Dr. Clark A. Davis is a general surgeon in La Crosse, Wisconsin
Dr. Davis practices at Gundersen La Crosse Clinic in La Crosse, Wisconsin.
Dr. Davis' NPI, 1316942121, was assigned on June 17, 2005. Dr. Davis graduated from University of Washington School of Medicine in 1994. Dr. Davis holds Wisconsin license 36912.
NPI and contact details
- NPI
- 1316942121NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133244650
- NPI enumeration date
- June 17, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 782-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clark A. Davis practices at Gundersen La Crosse Clinic in La Crosse, Wisconsin
Dr. Davis' primary practice is Gundersen La Crosse Clinic, at 1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429. The practice phone is (608) 782-7300.
- Gundersen La Crosse Clinic1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429Phone(608) 782-7300
Source: Dmand AI Affiliation Data
Dr. Clark A. Davis is affiliated with 7 sites of care and 3 medical groups
Dr. Davis' primary practice is Gundersen La Crosse Clinic in La Crosse, Wisconsin. Dr. Davis is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Davis to 4 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.
Gundersen La Crosse ClinicPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Clark A. Davis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davis practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen La Crosse Clinic | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clark A. Davis is one of 565 general surgeons in Wisconsin
Surgery is Dr. Davis' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Davis is licensed in Wisconsin.
Specialties and state licenses
- Surgery, WisconsinPrimary
General surgeons near Dr. Davis
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. Clark A. Davis billed Medicare for 231 services in 2024
CMS data shows 231 Medicare services from Dr. Davis across 6 procedure codes in 2024, for 222 Medicare patients. Medicare paid $22,035 for them.
Medicare services, 2024231
Medicare patients222
Paid by Medicare$22,035
Procedure codes6
Dr. Davis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2042024: 2197%
- Surgery
- 2023: 02024: 12
Where Dr. Davis' Medicare services took place, 2024
- In an office198%
- In a facility21292%
Dr. Davis compared with the Wisconsin median for general surgeons, 2024
- Dr. Davis
- Wisconsin median
- Medicare services
- 231vs 992.3 times
- Medicare patients
- 222vs 1002.2 times
- Part D claims
- 72vs 3795% above
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Davis' 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. Davis and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clark A. Davis treated 222 Medicare patients in 2024, average age 72
CMS counts 222 Medicare patients who saw Dr. Davis in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.43, 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. Davis' median patient age at 71, with 43% women.
Medicare patients, 2024222
Average age72
Average risk score2.43
Also on Medicaid21%
Dr. Davis' Medicare patients by age, 2024
Dr. Davis' Medicare patients by sex, 2024
- Women8237%
- Men14063%
Chronic conditions among Dr. Davis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease47%
- Diabetes37%
- Ischemic heart disease36%
- Arthritis32%
- Mood disorders30%
- Heart failure28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Davis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clark A. Davis wrote 156 Medicare Part D claims in 2024
In 2024, Dr. Davis wrote 156 Medicare Part D claims for 67 patients. 83% of them were for generic drugs. CMS names the drug for 72 of them, across 4 drugs with 11 or more claims each, at $5,573 in total drug cost. In 2023, CMS named 123 claims across 8 drugs.
Part D claims, 2024156
Drugs named by CMS4
Total drug cost$5,573
Part D patients67
Dr. Davis' Part D claims by kind of drug, 2024
- Generic129 claims83%
- Brand-name27 claims17%
Dr. Davis' 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. Davis' Part D claims, 2024
- Opioids26%41 of 156 claims
- Antibiotics7%11 of 156 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: 1232024: 7241%
Drugs named by CMS: 4 in 2024, 8 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. Clark A. Davis ranks in the 72nd percentile for leg revascularization (restoring blood flow) in Medicare
Dr. Davis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Davis as offering telehealth. CMS counts 15 procedures of leg revascularization (restoring blood flow) by Dr. Davis, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Davis ranks in Medicare procedure volume
- Varicose vein removal
- 54th percentile17 procedures
- Leg revascularization (restoring blood flow)
- 72nd percentile15 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. Clark A. Davis has 1 publication on record
Dmand AI links 1 paper to Dr. Davis in 2017. Dr. Davis' most frequent co-author is Jacob Steven Schaeffer, MD.
Papers1
Dr. Davis' most frequent co-authors
Recent publications by Dr. Davis
See who Dr. Davis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Davis works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Clark A. Davis has worked on 3 clinical trials
Dmand AI links Dr. Davis to 3 clinical trials. 3 are still active or recruiting. Conditions studied include Carotid Stenosis, Carotid Artery Diseases and Postthrombotic Syndrome.
Conditions in Dr. Davis' trials
- Carotid Stenosis
- Carotid Artery Diseases
- Postthrombotic Syndrome
- Venous Insufficiency
Investigators on the most trials with Dr. Davis
- Melhem J. Sharafuddin, MD3 shared trials
- Michael J. Alexander, MD2 shared trials
- James R. Brorson2 shared trials
Recent clinical trials with Dr. Davis
Chronic Venous Thrombosis: Relief With Adjunctive Catheter-Directed Therapy (The C-TRACT Trial) (opens in a new tab)
Active, not recruiting
Postthrombotic SyndromeVenous InsufficiencyStents
Carotid Revascularization and Medical Management for Asymptomatic Carotid Stenosis Trial - Hemodynamics (CREST-H) (opens in a new tab)
Active, not recruitingPhase 3
Carotid StenosisCarotid Artery Diseases
Carotid Revascularization and Medical Management for Asymptomatic Carotid Stenosis Trial (opens in a new tab)
Active, not recruiting
Carotid StenosisCarotid Artery DiseasesCarotid Stenting (CAS)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Clark A. Davis received $1,058 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Davis from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. W. L. Gore & Associates, Inc. paid the most, $469. It also lists 5 research payments totaling $2,405 from 2020 to 2021.
General payments to Dr. Davis by program year, 2016 to 2025
General payments to Dr. Davis by kind, 2016 to 2025
$1.1Kin total
- Food and beverage$78574%
- Education$26525%
- Travel and lodging$81%
Companies that paid Dr. Davis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Clark A. Davis graduated from University of Washington School of Medicine
Dr. Davis graduated from University of Washington School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clark A. Davis'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 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Clark A. Davis
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. Clark A. Davis' NPI number?
Dr. Clark A. Davis' NPI number is 1316942121. It was assigned on June 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Clark A. Davis?
Dr. Clark A. Davis is a general surgeon in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Clark A. Davis practice?
Dr. Davis practices at 1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429. Dr. Davis' primary practice is Gundersen La Crosse Clinic in La Crosse, Wisconsin. Dmand AI also links Dr. Davis to 4 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Clark A. Davis' office phone number?
The practice phone on file for Dr. Davis is (608) 782-7300.
What is Dr. Clark A. Davis' medical license number?
Dr. Davis holds Wisconsin license 36912.
Which hospitals is Dr. Clark A. Davis affiliated with?
Dr. Davis is affiliated with Gundersen Lutheran Medical Center. Dmand AI links Dr. Davis to 4 more hospitals.
What medical group is Dr. Clark A. Davis part of?
Dr. Davis is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Davis to 2 more medical groups.
Does Dr. Clark A. Davis accept Medicare?
Yes. CMS data shows Dr. Davis billed Medicare for 231 services in 2024, and Dr. Davis accepts Medicare assignment.
Does Dr. Clark A. Davis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Davis as offering telehealth services.
How many Medicare patients does Dr. Clark A. Davis see?
CMS counts 222 Medicare patients who saw Dr. Davis in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Clark A. Davis bill to Medicare?
In 2024, Dr. Davis' most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Clark A. Davis go to medical school?
Dr. Davis graduated from University of Washington School of Medicine in 1994.
What drugs does Dr. Clark A. Davis prescribe most?
In 2024 Medicare Part D data, Dr. Davis' most prescribed drugs by claims were Oxycodone HCl, Cilostazol and Eliquis.
Has Dr. Clark A. Davis received payments from drug or device companies?
CMS Open Payments shows $1,058 in general payments to Dr. Davis from 6 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Clark A. Davis been practicing?
Dr. Davis graduated from medical school in 1994, 32 years ago.
Does Dr. Clark A. Davis do research?
Dmand AI links 1 publication to Dr. Davis. Dr. Davis has worked on 3 clinical trials.
Who does Dr. Clark A. Davis publish with?
Dr. Davis' most frequent co-authors are Jacob Steven Schaeffer, MD (1 shared paper).
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