Dr. Clay Arthur Smith, MD

  • La Crosse, WI
  • Emergency medicine physician
NPI1043531023PAC ID4183873219
Medicare services, 2024
331
Medicare patients, 2024
306
Part D claims, 2024
178
Hospital affiliations
2
Industry payments
$27
Practice address
700 West Avenue South, La Crosse, WI 54601
Practice phone
Call (608) 785-0940
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Health System in La Crosse

Hospital · La Crosse, Wisconsin

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Dr. Clay Arthur Smith is an emergency medicine physician in La Crosse, Wisconsin

Dr. Smith practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic.

Dr. Smith's NPI, 1043531023, was assigned on June 14, 2010. Dr. Smith graduated from Sanford School of Medicine of University of South Dakota in 2010. Dr. Smith holds Wisconsin license 81821.

NPI and contact details
Medicare PAC ID
4183873219
NPI enumeration date
June 14, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(608) 785-0940
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. Clay Arthur Smith practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin

Dr. Smith's primary practice is Mayo Clinic Health System in La Crosse, at 700 West Avenue South, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 785-0940.

Source: Dmand AI Affiliation Data

Dr. Clay Arthur Smith is affiliated with 2 sites of care and 1 medical group

Dr. Smith's primary practice is Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic. Dr. Smith is also affiliated with Mayo Clinic Health System in Sparta. The medical group on file is Mayo Clinic Health System in La Crosse.

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

Dmand AI tracks the EHR system at Dr. Clay Arthur Smith's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smith practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Health System in La CrosseAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Clay Arthur Smith is one of 1,211 emergency medicine physicians in Wisconsin

Emergency medicine is Dr. Smith's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Smith's licenses on file in 2 states: Wisconsin and South Dakota.

Specialties and state licenses

  • Emergency medicine, WisconsinPrimaryLicense 81821 · taxonomy 207P00000X
  • South Dakota licenseLicense 8868

Emergency medicine physicians near Dr. Smith

Counts of emergency medicine physicians 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. Clay Arthur Smith billed Medicare for 331 services in 2024

CMS data shows 331 Medicare services from Dr. Smith across 4 procedure codes in 2024, for 306 Medicare patients. Medicare paid $33,676 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024331
Medicare patients306
Paid by Medicare$33,676
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2502024: 33132%
Tests and treatments
2023: 662024: 0100%

Dr. Smith compared with the Wisconsin median for emergency medicine physicians, 2024

  • Dr. Smith
  • Wisconsin median
Medicare services
331vs 24635% above
Medicare patients
306vs 22138% above
Part D claims
65vs 5714% above

Medians across 1,249 emergency medicine physicians in Wisconsin with Dmand AI profiles that report each measure.

Dr. Smith'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. Smith

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

Dr. Clay Arthur Smith treated 306 Medicare patients in 2024, average age 73

CMS counts 306 Medicare patients who saw Dr. Smith in 2024. The largest group is 75 to 84, with 113 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.77, 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. Smith's median patient age at 60, with 53% women.

Medicare patients, 2024306
Average age73
Average risk score1.77
Also on Medicaid24%

Dr. Smith's Medicare patients by age, 2024

Dr. Smith's Medicare patients by sex, 2024

  • Women17357%
  • Men13343%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis44%
  4. Chronic kidney disease44%
  5. Mood disorders38%
  6. Diabetes36%
  7. Heart failure36%
  8. Anxiety35%

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

Dr. Smith's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women53%
  • Men47%

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

Dr. Clay Arthur Smith wrote 178 Medicare Part D claims in 2024

In 2024, Dr. Smith wrote 178 Medicare Part D claims for 128 patients. 94% of them were for generic drugs. CMS names the drug for 65 of them, across 4 drugs with 11 or more claims each, at $568 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024178
Drugs named by CMS4
Total drug cost$568
Part D patients128

Dr. Smith's Part D claims by kind of drug, 2024

  • Generic167 claims94%
  • Brand-name11 claims6%

Dr. Smith'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. Smith's Part D claims, 2024

  • Opioids9%16 of 178 claims
  • Antibiotics38%67 of 178 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: 112024: 65491%

Drugs named by CMS: 4 in 2024, 1 in 2023.

See all prescribing by Dr. Smith

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

How Dr. Clay Arthur Smith takes part in Medicare

Dr. Smith accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Clay Arthur Smith received $27 in industry payments from 2017 to 2020

CMS Open Payments shows 2 general payments to Dr. Smith from 2 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $15.

General payments to Dr. Smith by program year, 2017 to 2020

Companies that paid Dr. Smith the most, 2017 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Smith

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

Dr. Clay Arthur Smith graduated from Sanford School of Medicine of University of South Dakota

Dr. Smith graduated from Sanford School of Medicine of University of South Dakota in 2010.

  1. Medical schoolSanford School of Medicine of University of South Dakota

Source: Dmand AI Professional Profile Data

Sources for Dr. Clay Arthur Smith'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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Clay Arthur Smith

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. Clay Arthur Smith's NPI number?

Dr. Clay Arthur Smith's NPI number is 1043531023. It was assigned on June 14, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Clay Arthur Smith?

Dr. Clay Arthur Smith is an emergency medicine physician in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Clay Arthur Smith practice?

Dr. Smith practices at 700 West Avenue South, La Crosse, WI 54601. Dr. Smith's primary practice is Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin, part of Mayo Clinic.

What is Dr. Clay Arthur Smith's office phone number?

The practice phone on file for Dr. Smith is (608) 785-0940.

What is Dr. Clay Arthur Smith's medical license number?

Dr. Smith holds Wisconsin license 81821, one of the licenses on file in 2 states.

Which states has Dr. Clay Arthur Smith been licensed in?

Dmand AI has state licenses on file for Dr. Smith in Wisconsin and South Dakota.

Which hospitals is Dr. Clay Arthur Smith affiliated with?

Dr. Smith practices at Mayo Clinic Health System in La Crosse in La Crosse, Wisconsin. Dr. Smith is also affiliated with Mayo Clinic Health System in Sparta.

What medical group is Dr. Clay Arthur Smith part of?

Dr. Smith is linked to Mayo Clinic Health System in La Crosse.

Does Dr. Clay Arthur Smith accept Medicare?

Yes. CMS data shows Dr. Smith billed Medicare for 331 services in 2024, and Dr. Smith accepts Medicare assignment.

How many Medicare patients does Dr. Clay Arthur Smith see?

CMS counts 306 Medicare patients who saw Dr. Smith in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Clay Arthur Smith bill to Medicare?

In 2024, Dr. Smith's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).

Where did Dr. Clay Arthur Smith go to medical school?

Dr. Smith graduated from Sanford School of Medicine of University of South Dakota in 2010.

What drugs does Dr. Clay Arthur Smith prescribe most?

In 2024 Medicare Part D data, Dr. Smith's most prescribed drugs by claims were Prednisone, Cefdinir and Ondansetron ODT.

Has Dr. Clay Arthur Smith received payments from drug or device companies?

CMS Open Payments shows $27 in general payments to Dr. Smith from 2 companies from 2017 to 2020. The largest total came from Genentech, Inc.

How long has Dr. Clay Arthur Smith been practicing?

Dr. Smith graduated from medical school in 2010, 16 years ago.

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