Charlotte R. Larson
Gastroenterology Physician · Seattle, WA
Charlotte R. Larson is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1891383238, issued on Dec 31, 2020. Check the license (Washington MD.MD.61679252, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Charlotte R. Larson
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD.MD.61679252 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St Main Hospital, Seattle, WA 98195
- Phone
- (206) 598-3300
- Enumerated
- Dec 31, 2020
- Record last updated
- Jul 21, 2025
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St Main Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monika AhaStudent in an Organized Health Care Education/Training Program1669363552
- Mikayla AkiOncology Registered Nurse1023995644
- Ban Alamin, MDNeurology Physician1861334518
- Adam AlayliStudent in an Organized Health Care Education/Training Program1033957592
- Jessie AngelesRegistered Respiratory Therapist1316735095
- Kenneth BairdRegistered Respiratory Therapist1386431302
Verify Charlotte R. Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD.MD.61679252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average gastroenterology physician in 2024
160 Medicare Part D claims for 30 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Lisinopril21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Charlotte R. Larson among 533 gastroenterology physician records in Washington
Charlotte R. Larson is one of 533 gastroenterology physician records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 98% of them.
- NPI issued2020 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Seattle → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Renuka Bhattacharya, MDSeattle, WA 981951932197902
- Teresa BrentnallSeattle, WA 981951104916063
- Elizabeth Broussard, M.D.Seattle, WA 981951669419495
- Rotonya Carr, MDSeattle, WA 981951154309540
- Mark Derleth, M.D.Seattle, WA 981951356457063
- Margaret Eugenio, MDSeattle, WA 981951477661916
- William Grady, M.D.Seattle, WA 981951407943822
- John Inadomi, MDSeattle, WA 981951992808497
Common questions
What is Charlotte R. Larson's NPI number?
Charlotte R. Larson's National Provider Identifier (NPI) is 1891383238, issued on Dec 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte R. Larson located?
The NPPES record lists a practice address at 1959 NE Pacific St Main Hospital, Seattle, WA, 98195. Phone: (206) 598-3300. Providers update this record themselves, so call before visiting.
How can I verify Charlotte R. Larson's license?
NPPES lists Washington license number MD.MD.61679252, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charlotte R. Larson prescribe under Medicare Part D?
In 2024, Charlotte R. Larson had 160 Medicare Part D claims for 30 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.