Dr. Kenneth W. Larson, MD

  • Springfield, MO
  • General surgeon
NPI1689741795PAC ID5496888943
Medicare services, 2024
78
Medicare patients, 2024
98
Part D claims, 2024
61
Publications
3
Hospital affiliations
2
Practice address
1235 E Cherokee St, Springfield, MO 65804
Practice phone
Call (417) 820-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital Springfield & Children's Mercy

Springfield, Missouri

See all 5 affiliations

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Dr. Kenneth W. Larson is a general surgeon in Springfield, Missouri

Dr. Larson practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri.

Dr. Larson's NPI, 1689741795, was assigned on November 30, 2006. Dr. Larson graduated from University of Missouri, Columbia School of Medicine in 1989. Dr. Larson holds Missouri license 105284.

NPI and contact details
Medicare PAC ID
5496888943
NPI enumeration date
November 30, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(417) 820-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. Kenneth W. Larson practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri

Dr. Larson's primary practice is Mercy Hospital Springfield & Children's Mercy, at 1235 E Cherokee St, Springfield, MO 65804 in Greene County. The practice phone is (417) 820-2000.

  • Mercy Hospital Springfield & Children's Mercy
    1235 E Cherokee St, Springfield, MO 65804 · Greene CountyPhone(417) 820-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Kenneth W. Larson is affiliated with 4 sites of care and 1 medical group

Dr. Larson's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dr. Larson is also affiliated with Mercy Hospital Springfield. The medical group on file is Mercy Clinic Family Medicine - Hollister. Dmand AI also links Dr. Larson to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Larson

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Kenneth W. Larson's practice

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

EHR by site
SiteEHR vendor and product
Mercy Hospital Springfield & Children's MercyAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kenneth W. Larson is one of 593 general surgeons in Missouri

Surgery is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Larson is licensed in Missouri.

Specialties and state licenses

  • Surgery, MissouriPrimaryLicense 105284 · taxonomy 208600000X

General surgeons near Dr. Larson

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. Kenneth W. Larson billed Medicare for 78 services in 2024

CMS data shows 78 Medicare services from Dr. Larson across 4 procedure codes in 2024, for 98 Medicare patients. Medicare paid $7,557 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202478
Medicare patients98
Paid by Medicare$7,557
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 742024: 785%

Dr. Larson compared with the Missouri median for general surgeons, 2024

  • Dr. Larson
  • Missouri median
Medicare services
78vs 16954% below
Medicare patients
98vs 12723% below
Part D claims
21vs 4149% below

Medians across 570 general surgeons in Missouri with Dmand AI profiles that report each measure.

Dr. Larson'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. Larson

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

Dr. Kenneth W. Larson treated 98 Medicare patients in 2024, average age 73

CMS counts 98 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.31, 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. Larson's median patient age at 67, with 40% women.

Medicare patients, 202498
Average age73
Average risk score2.31
Also on Medicaid28%

Dr. Larson's Medicare patients by age, 2024

Dr. Larson's Medicare patients by sex, 2024

  • Women4344%
  • Men5556%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis49%
  4. Anxiety45%
  5. Mood disorders45%
  6. Diabetes42%
  7. Ischemic heart disease41%
  8. Depression40%

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

Dr. Larson's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women40%
  • Men59%

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

Dr. Kenneth W. Larson wrote 61 Medicare Part D claims in 2024

In 2024, Dr. Larson wrote 61 Medicare Part D claims for 35 patients. 98% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $55 in total drug cost. In 2023, CMS named 33 claims across 1 drug.

Part D claims, 202461
Drugs named by CMS1
Total drug cost$55
Part D patients35

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

  • Generic60 claims98%
  • Brand-name and other1 claims2%

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

  • Opioids46%28 of 61 claims
  • Antibiotics18%11 of 61 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: 332024: 2136%

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

See all prescribing by Dr. Larson

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. Kenneth W. Larson ranks in the 70th percentile for removal of tissue in Medicare

Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 22 procedures of removal of tissue by Dr. Larson, more than 70% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Larson ranks in Medicare procedure volume

Removal of tissue
70th percentile22 procedures

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

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 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. Kenneth W. Larson has 3 publications on record

Dmand AI links 3 papers to Dr. Larson. The most frequent topics are Wound Healing, Burns and Skin Transplantation. Dr. Larson's most frequent co-authors are Brian B. Draper, DO and Phillip J. Finley, DO.

Papers3

Topics Dr. Larson writes about most

  • Wound Healing
  • Burns
  • Skin Transplantation

Dr. Larson's most frequent co-authors

Recent publications by Dr. Larson

See all 3 publications and co-authors

See who Dr. Larson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Larson 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. Kenneth W. Larson received $2,954 in industry payments from 2016 to 2025

CMS Open Payments shows 80 general payments to Dr. Larson from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Smith & Nephew, Inc. paid the most, $715.

General payments to Dr. Larson by program year, 2016 to 2025

General payments to Dr. Larson by kind, 2016 to 2025

$3Kin total
  • Food and beverage$2,70492%
  • Consulting fees$2508%

Companies that paid Dr. Larson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Larson

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

Dr. Kenneth W. Larson graduated from University of Missouri, Columbia School of Medicine

Dr. Larson graduated from University of Missouri, Columbia School of Medicine in 1989.

  1. Medical schoolUniversity of Missouri, Columbia School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Kenneth W. Larson'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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
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. Kenneth W. Larson

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. Kenneth W. Larson's NPI number?

Dr. Kenneth W. Larson's NPI number is 1689741795. It was assigned on November 30, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Kenneth W. Larson?

Dr. Kenneth W. Larson is a general surgeon in Springfield, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Kenneth W. Larson practice?

Dr. Larson practices at 1235 E Cherokee St, Springfield, MO 65804. Dr. Larson's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dmand AI also links Dr. Larson to 1 hospital and 1 group practice or clinic.

What is Dr. Kenneth W. Larson's office phone number?

The practice phone on file for Dr. Larson is (417) 820-2000.

What is Dr. Kenneth W. Larson's medical license number?

Dr. Larson holds Missouri license 105284.

Which hospitals is Dr. Kenneth W. Larson affiliated with?

Dr. Larson is affiliated with Mercy Hospital Springfield. Dmand AI links Dr. Larson to 1 more hospital.

What medical group is Dr. Kenneth W. Larson part of?

Dr. Larson is linked to Mercy Clinic Family Medicine - Hollister.

Does Dr. Kenneth W. Larson accept Medicare?

Yes. CMS data shows Dr. Larson billed Medicare for 78 services in 2024, and Dr. Larson accepts Medicare assignment.

How many Medicare patients does Dr. Kenneth W. Larson see?

CMS counts 98 Medicare patients who saw Dr. Larson in 2024, with an average age of 73.

What services does Dr. Kenneth W. Larson bill to Medicare?

In 2024, Dr. Larson's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99222).

Show 6 more questionsShow fewer questions

Where did Dr. Kenneth W. Larson go to medical school?

Dr. Larson graduated from University of Missouri, Columbia School of Medicine in 1989.

What drugs does Dr. Kenneth W. Larson prescribe most?

In 2024 Medicare Part D data, Dr. Larson's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Kenneth W. Larson received payments from drug or device companies?

CMS Open Payments shows $2,954 in general payments to Dr. Larson from 12 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.

How long has Dr. Kenneth W. Larson been practicing?

Dr. Larson graduated from medical school in 1989, 37 years ago.

Does Dr. Kenneth W. Larson do research?

Dmand AI links 3 publications to Dr. Larson.

Who does Dr. Kenneth W. Larson publish with?

Dr. Larson's most frequent co-authors are Brian B. Draper, DO (1 shared paper) and Phillip J. Finley, DO (1 shared paper).

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