Dr. Derek Sloan Larson, MD

  • Saint Louis, MO
  • Nephrologist
NPI1588820096PAC ID7012194707
Medicare services, 2024
1,424
Medicare patients, 2024
581
Part D claims, 2024
934
MIPS score, 2024
75
Hospital affiliations
5
Practice address
12855 N 40 Drive, Ste L4, Creve Coeur, MO 63141
Practice phone
Call (314) 542-0049
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

DaVita Town And Country West Dialysis

Dialysis Center - Independent · Creve Coeur, Missouri

See all 11 affiliations

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Dr. Derek Sloan Larson is a nephrologist in Saint Louis, Missouri

Dr. Larson practices at DaVita Town And Country West Dialysis in Creve Coeur, Missouri.

Dr. Larson's NPI, 1588820096, was assigned on August 4, 2008. Dr. Larson holds Missouri license 2014016671.

NPI and contact details
Medicare PAC ID
7012194707
NPI enumeration date
August 4, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(314) 542-0049
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Derek Sloan Larson practices at DaVita Town and Country West Dialysis in Creve Coeur, Missouri

Dr. Larson's primary practice is DaVita Town and Country West Dialysis, at 12855 N 40 Drive, Ste L4, Creve Coeur, MO 63141 in Saint Louis County. The practice phone is (314) 542-0049.

  • DaVita Town and Country West Dialysis
    12855 N 40 Drive, Ste L4, Creve Coeur, MO 63141 · Saint Louis CountyPhone(314) 542-0049

Source: Dmand AI Affiliation Data

Dr. Derek Sloan Larson is affiliated with 9 sites of care and 2 medical groups

Dr. Larson's primary practice is DaVita Town And Country West Dialysis in Creve Coeur, Missouri. Dr. Larson is also affiliated with Barnes-Jewish Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Larson to 4 more hospitals, 2 dialysis centers, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 11 affiliations for Dr. Larson

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

Dmand AI tracks the EHR system at Dr. Derek Sloan Larson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
DaVita Town And Country West DialysisAvailable with a free account
+8 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Derek Sloan Larson is one of 249 nephrologists in Missouri

Nephrology is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Larson's licenses on file in 2 states: Missouri and Illinois.

Specialties and state licenses

  • Nephrology, MissouriPrimaryLicense 2014016671 · taxonomy 207RN0300X
  • Illinois licenseLicense 036126443

Nephrologists near Dr. Larson

Counts of nephrologists 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. Derek Sloan Larson billed Medicare for 1,424 services in 2024

CMS data shows 1,424 Medicare services from Dr. Larson across 13 procedure codes in 2024, for 581 Medicare patients. Medicare paid $154,968 for them.

Medicare services, 20241,424
Medicare patients581
Paid by Medicare$154,968
Procedure codes13

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,1112024: 1,00410%
Tests and treatments
2023: 3932024: 34712%
Other services
2023: 02024: 73

Where Dr. Larson's Medicare services took place, 2024

  • In an office77054%
  • In a facility65446%

Dr. Larson compared with the Missouri median for nephrologists, 2024

  • Dr. Larson
  • Missouri median
Medicare services
1,424vs 85766% above
Medicare patients
581vs 2712.1 times
Part D claims
701vs 77910% below

Medians across 240 nephrologists 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Larson and other nephrologists in Missouri.

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

Dr. Derek Sloan Larson treated 581 Medicare patients in 2024, average age 74

CMS counts 581 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 12% are also on Medicaid. Their average risk score is 3.38, 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 74, with 47% women.

Medicare patients, 2024581
Average age74
Average risk score3.38
Also on Medicaid12%

Dr. Larson's Medicare patients by age, 2024

Dr. Larson's Medicare patients by sex, 2024

  • Women27247%
  • Men30953%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Arthritis54%
  5. Diabetes50%
  6. Ischemic heart disease43%
  7. Heart failure42%
  8. Atrial fibrillation33%

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 74

Patient panel by sex, all payers

  • Women47%
  • Men52%

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

Dr. Derek Sloan Larson wrote 934 Medicare Part D claims in 2024

In 2024, Dr. Larson wrote 934 Medicare Part D claims for 202 patients. 84% of them were for generic drugs. CMS names the drug for 701 of them, across 20 drugs with 11 or more claims each, at $87,916 in total drug cost. In 2023, CMS named 441 claims across 17 drugs.

Part D claims, 2024934
Drugs named by CMS20
Total drug cost$87,916
Part D patients202

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

  • Generic785 claims84%
  • Brand-name149 claims16%

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

  • Antibiotics3%28 of 934 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: 4412024: 70159%

Drugs named by CMS: 20 in 2024, 17 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. Derek Sloan Larson scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Larson for performance year 2024, reported as part of a group. Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Larson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

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

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Dr. Derek Sloan Larson received $645,532 in industry payments from 2016 to 2025

CMS Open Payments shows 1,052 general payments to Dr. Larson from 25 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 76% of the total. AstraZeneca Pharmaceuticals LP paid the most, $493,626.

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

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

$645.5Kin total
  • Speaker and faculty fees$486,25076%
  • Consulting fees$59,4069%
  • Travel and lodging$52,9348%
  • Food and beverage$23,4504%
  • Other$20,0003%

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

Sources for Dr. Derek Sloan 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Derek Sloan 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. Derek Sloan Larson's NPI number?

Dr. Derek Sloan Larson's NPI number is 1588820096. It was assigned on August 4, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Derek Sloan Larson?

Dr. Derek Sloan Larson is a nephrologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Derek Sloan Larson practice?

Dr. Larson practices at 12855 N 40 Drive, Ste L4, Creve Coeur, MO 63141. Dr. Larson's primary practice is DaVita Town And Country West Dialysis in Creve Coeur, Missouri. Dmand AI also links Dr. Larson to 4 hospitals, 2 dialysis centers, 1 group practice or clinic and 1 medical group.

What is Dr. Derek Sloan Larson's office phone number?

The practice phone on file for Dr. Larson is (314) 542-0049.

What is Dr. Derek Sloan Larson's medical license number?

Dr. Larson holds Missouri license 2014016671, one of the licenses on file in 2 states.

Which states has Dr. Derek Sloan Larson been licensed in?

Dmand AI has state licenses on file for Dr. Larson in Missouri and Illinois.

Which hospitals is Dr. Derek Sloan Larson affiliated with?

Dr. Larson is affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Larson to 4 more hospitals.

What medical group is Dr. Derek Sloan Larson part of?

Dr. Larson is linked to Endeavor Health Medical Group. Dmand AI links Dr. Larson to 1 more medical group.

Does Dr. Derek Sloan Larson accept Medicare?

Yes. CMS data shows Dr. Larson billed Medicare for 1,424 services in 2024, and Dr. Larson accepts Medicare assignment.

Does Dr. Derek Sloan Larson offer telehealth?

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

Show 6 more questionsShow fewer questions

What is Dr. Derek Sloan Larson's MIPS score?

Dr. Larson's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. Derek Sloan Larson see?

CMS counts 581 Medicare patients who saw Dr. Larson in 2024, with an average age of 74.

What services does Dr. Derek Sloan Larson bill to Medicare?

In 2024, Dr. Larson's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99213) and dialysis (90960).

What drugs does Dr. Derek Sloan Larson prescribe most?

In 2024 Medicare Part D data, Dr. Larson's most prescribed drugs by claims were Amlodipine Besylate, Farxiga and Losartan Potassium.

Has Dr. Derek Sloan Larson received payments from drug or device companies?

CMS Open Payments shows $645,532 in general payments to Dr. Larson from 25 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Derek Sloan Larson been practicing?

Dr. Larson graduated from medical school in 2008, 18 years ago.

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