James Mu, MD
Gastroenterology Physician · Everett, WA
James Mu, MD is a gastroenterology physician with a practice address in Everett, Washington, and NPI 1841231438, issued on Jun 8, 2006. Check the license (Washington MD00038720, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- James Mu
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00038720 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4225 Hoyt Ave, Everett, WA 98203
- Phone
- (425) 259-3122
- Enumerated
- Jun 8, 2006
- Record last updated
- Jan 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 8256059 WA
- Medicare enrollment
- Enrolled (PECOS I20090416000063); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 4225 Hoyt Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Brust, DDSDentist1396729745
- Eduardo Chua, M.D.Gastroenterology Physician1760694186
- Sujoy Ghorai, MDGastroenterology Physician1386680445
- Maiyen Hawkins, D.O.Gastroenterology Physician1841446655
- Friedrich Loura, MDGastroenterology Physician1760423388
- Ignatius Marsidi, MDGastroenterology Physician1396792149
Verify James Mu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00038720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average gastroenterology physician in 2024
1,007 Medicare Part D claims for 268 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Omeprazole318 claims
- Mesalamine Er66 claims
- Peg-3350 And Electrolytes54 claims
- Pantoprazole Sodium48 claims
- Ursodiol48 claims
- Mesalamine47 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.
Industry payments in 2024: $332.55
14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Western Washington Medical Group Inc PSEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Mu among 533 gastroenterology physician records in Washington
James Mu, MD 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1984 · median 2003 among the 373 with a school on file
- Record last updated2008 · 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 Everett → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Eduardo Chua, M.D.Everett, WA 982031760694186
- Justin Cuschieri, MDEverett, WA 982031871787663
- Sujoy Ghorai, MDEverett, WA 982031386680445
- Maiyen Hawkins, D.O.Everett, WA 982031841446655
- Friedrich Loura, MDEverett, WA 982031760423388
- Ignatius Marsidi, MDEverett, WA 982031396792149
- Edward Slosberg, MDEverett, WA 982031740227982
- Jerome Waldbaum, MDEverett, WA 982031689610602
Common questions
What is James Mu, MD's NPI number?
James Mu, MD's National Provider Identifier (NPI) is 1841231438, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Mu, MD located?
The NPPES record lists a practice address at 4225 Hoyt Ave, Everett, WA, 98203. Phone: (425) 259-3122. Providers update this record themselves, so call before visiting.
How can I verify James Mu, MD's license?
NPPES lists Washington license number MD00038720, 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 James Mu, MD prescribe under Medicare Part D?
In 2024, James Mu, MD had 1,007 Medicare Part D claims for 268 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.