Charlotte R. Larson

  • Seattle, WA
  • Gastroenterologist
NPI1891383238
Part D claims, 2024
160
Hospital affiliations
1
State license
1
Year NPI issued
2020
Practice address
825 Eastlake Avenue East, Seattle, WA 98109
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fred Hutchinson Cancer Center

Hospital · Seattle, Washington

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Charlotte R. Larson is a gastroenterologist in Seattle, Washington

Charlotte Larson practices at Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.

Charlotte Larson's NPI, 1891383238, was assigned on December 31, 2020. Charlotte Larson holds Washington license MD.MD.61679252.

NPI and contact details
NPI enumeration date
December 31, 2020
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Charlotte R. Larson practices at Fred Hutchinson Cancer Center in Seattle, Washington

Charlotte Larson's primary practice is Fred Hutchinson Cancer Center, at 825 Eastlake Avenue East, Seattle, WA 98109.

Source: Dmand AI Affiliation Data

Charlotte R. Larson is affiliated with 1 site of care

Charlotte Larson's primary practice is Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.

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

Dmand AI tracks the EHR system at Charlotte R. Larson's practice

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

EHR by site
SiteEHR vendor and product
Fred Hutchinson Cancer CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Charlotte R. Larson is one of 434 gastroenterologists in Washington

Gastroenterology is Charlotte Larson's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Charlotte Larson is licensed in Washington.

Specialties and state licenses

  • Gastroenterology, WashingtonPrimaryLicense MD.MD.61679252 · taxonomy 207RG0100X

Gastroenterologists near Charlotte Larson

Counts of gastroenterologists 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

Charlotte R. Larson's patients have a median age of 56

Across all payers, Dmand AI patient panel data puts Charlotte Larson's median patient age at 56, with 49% women.

Charlotte 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 56

Patient panel by sex, all payers

  • Women49%
  • Men51%

Source: Dmand AI Patient Panel Data

Charlotte R. Larson wrote 160 Medicare Part D claims in 2024

In 2024, Charlotte Larson wrote 160 Medicare Part D claims for 30 patients. 93% of them were for generic drugs. CMS names the drug for 42 of them, across 2 drugs with 11 or more claims each, at $372 in total drug cost.

Part D claims, 2024160
Drugs named by CMS2
Total drug cost$372
Part D patients30

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

  • Generic149 claims93%
  • Brand-name11 claims7%

Charlotte 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 Charlotte Larson's Part D claims, 2024

  • Antibiotics8%12 of 160 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Charlotte 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

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Sources for Charlotte R. 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 patients and the all-payer patient panelDmand AI Patient Panel Data
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)
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 Charlotte R. 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 Charlotte R. Larson's NPI number?

Charlotte R. Larson's NPI number is 1891383238. It was assigned on December 31, 2020, and it is active in the NPI Registry.

What does Charlotte R. Larson specialize in?

Charlotte R. Larson is a gastroenterologist in Seattle, Washington. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Charlotte R. Larson practice?

Charlotte Larson practices at 825 Eastlake Avenue East, Seattle, WA 98109. Charlotte Larson's primary practice is Fred Hutchinson Cancer Center in Seattle, Washington, part of Fred Hutchinson Cancer Center.

What is Charlotte R. Larson's medical license number?

Charlotte Larson holds Washington license MD.MD.61679252.

Which hospitals is Charlotte R. Larson affiliated with?

Charlotte Larson practices at Fred Hutchinson Cancer Center in Seattle, Washington.

What drugs does Charlotte R. Larson prescribe most?

In 2024 Medicare Part D data, Charlotte Larson's most prescribed drugs by claims were Atorvastatin Calcium and Lisinopril.

How long has Charlotte R. Larson been practicing?

Charlotte Larson's NPI was assigned in 2020.

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