Joshua David Larson, DO
Internal Medicine Physician · Mount Vernon, WA
Joshua David Larson, DO is an internal medicine physician with a practice address in Mount Vernon, Washington, and NPI 1083271761, issued on May 29, 2019. Check the license (Washington OP61567888, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Joshua David Larson
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OP61567888 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1415 E Kincaid St, Mount Vernon, WA 98274
- Phone
- (360) 814-2115
- Enumerated
- May 29, 2019
- Record last updated
- Sep 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20240920000918); accepts Medicare assignment
- Medical or professional school
- Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1415 E Kincaid St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Abou-ZeidStudent in an Organized Health Care Education/Training Program1770421026
- Thea Anderson, ARNPFamily Nurse Practitioner1316685100
- Precious Barnes, DOHospitalist Physician1477819159
- Asheesh Batra, DOStudent in an Organized Health Care Education/Training Program1235999830
- Erin Beck, PHARMDPharmacist1871844381
- Eric Bing, MDStudent in an Organized Health Care Education/Training Program1811647977
Verify Joshua David Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61567888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
734 Medicare Part D claims for 150 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Amlodipine Besylate59 claims
- Atorvastatin Calcium48 claims
- Lisinopril30 claims
- Tamsulosin Hcl27 claims
- Gabapentin24 claims
- Omeprazole22 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.
Bills Medicare through one group practice
- Public Hospital Dist NO 1 SkagitMount Vernon, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua David Larson among 3,079 internal medicine physician records in Washington
Joshua David Larson, DO is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2006 among the 1,852 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 internal medicine physician records list a practice address in Mount Vernon
They are 33 of the 1,500 NPPES records with a practice address in Mount Vernon, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Mount Vernon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sandeep Bal, MDMount Vernon, WA 982741386819449
- Thomas Carr, MDMount Vernon, WA 982741548271091
- Nancy Chaffee, M.D.Mount Vernon, WA 982741467604231
- Dmitry Feldman, DOMount Vernon, WA 982741629247689
- Thomas George, M.D.Mount Vernon, WA 982741952361727
- David Hoeft, MDMount Vernon, WA 982741164489076
- Dorien McAbee, DOMount Vernon, WA 982741417185802
- Deborah North, MDMount Vernon, WA 982741588628747
Common questions
What is Joshua David Larson, DO's NPI number?
Joshua David Larson, DO's National Provider Identifier (NPI) is 1083271761, issued on May 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Joshua David Larson, DO located?
The NPPES record lists a practice address at 1415 E Kincaid St, Mount Vernon, WA, 98274. Phone: (360) 814-2115. Providers update this record themselves, so call before visiting.
How can I verify Joshua David Larson, DO's license?
NPPES lists Washington license number OP61567888, 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 Joshua David Larson, DO prescribe under Medicare Part D?
In 2024, Joshua David Larson, DO had 734 Medicare Part D claims for 150 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.