NPPES file of Aug 9, 2026

Wataru Tamura, MD

Gastroenterology Physician · Seattle, WA

Wataru Tamura, MD is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1073658365, issued on Feb 21, 2007. Check the license (Washington MD60258237, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073658365
Name
Wataru Tamura
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
MD60258237 WA
Self-reported in NPPES; status is on the state search
Practice location
11027 Meridian Ave N, Seattle, WA 98133
Phone
(206) 365-4492
Enumerated
Feb 21, 2007
Record last updated
Sep 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(206) 368-3456
Medicaid ID
2040804 WA
Medicare enrollment
Enrolled (PECOS I20141111001151); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 11027 Meridian Ave N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Lewis, MDGastroenterology Physician1497725238
  2. Alexandra Read, MDGastroenterology Physician1528039989
  3. Darik Taniguchi, M.D.Gastroenterology Physician1750359105
  4. Richard Tobin, MDGastroenterology Physician1700857547
  5. Steven Wegley, MDGastroenterology Physician1750352035

Verify Wataru Tamura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60258237
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% more Medicare Part D claims than the average gastroenterology physician in 2024

1,159 Medicare Part D claims for 352 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 12 claims were for opioids.

  1. Wataru Tamura1,159
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium340 claims
  2. Famotidine204 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf152 claims
  4. Cholestyramine56 claims
  5. Dicyclomine Hcl56 claims
  6. Mesalamine45 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 80 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.7
  2. Costout of 100 · 30%63.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $692.76

31 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.

  1. Wataru Tamura$692.76
  2. Specialty average$5,015.95

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

  1. Puget Sound Gastroenterology PLLCSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Wataru Tamura among 533 gastroenterology physician records in Washington

Wataru Tamura, 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 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 36% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1991 · median 2003 among the 373 with a school on file
  • Record last updated2015 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Gregory Bernstein, MDSeattle, WA 981331598056673
  2. Pierre Blais, M.D.Seattle, WA 981331609138452
  3. Anthony Bohorfoush, MDSeattle, WA 981331689645285
  4. Julianna GardnerSeattle, WA 981331013440866
  5. Praveen Guturu, MBBS, MDSeattle, WA 981331285825463
  6. Seyed Abdol Jalali, M.D.Seattle, WA 981331043219819
  7. Steven Lewis, MDSeattle, WA 981331497725238
  8. Muyi Li, MDSeattle, WA 981331881121325

Common questions

What is Wataru Tamura, MD's NPI number?

Wataru Tamura, MD's National Provider Identifier (NPI) is 1073658365, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wataru Tamura, MD located?

The NPPES record lists a practice address at 11027 Meridian Ave N, Seattle, WA, 98133. Phone: (206) 365-4492. Providers update this record themselves, so call before visiting.

How can I verify Wataru Tamura, MD's license?

NPPES lists Washington license number MD60258237, 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 Wataru Tamura, MD prescribe under Medicare Part D?

In 2024, Wataru Tamura, MD had 1,159 Medicare Part D claims for 352 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Wataru Tamura, MD's MIPS final score?

The 2023 MIPS final score is 80 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.