NPPES file of Aug 9, 2026

Thomas Merson Tocher, M.D.

Internal Medicine Physician · Seattle, WA

Thomas Merson Tocher, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1568571289, issued on Aug 29, 2006. Check the license (Washington MD0028706, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568571289
Name
Thomas Merson Tocher
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD0028706 WA
Self-reported in NPPES; status is on the state search
Practice location
6322 Roosevelt Way NE, Seattle, WA 98115
Phone
(206) 320-8050
Enumerated
Aug 29, 2006
Record last updated
Nov 19, 2025
Fax
(206) 320-8048
Medicaid ID
1013560 WA
Medicare enrollment
Enrolled (PECOS I20100504000866); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1988
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 6322 Roosevelt Way NE

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

  1. Shahlan Alraddawi, MDInternal Medicine Physician1477181212
  2. Eric Bai, D.O.Family Medicine Physician1881014538
  3. David Viscardi, DOEmergency Medicine Physician1568442051
  4. William Wilson, MDEmergency Medicine Physician1801991971

Verify Thomas Merson Tocher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD0028706
    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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24% more Medicare Part D claims than the average internal medicine physician in 2024

3,939 Medicare Part D claims for 440 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 111 claims were for opioids.

  1. Thomas Tocher3,939
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium369 claims
  2. Amlodipine Besylate198 claims
  3. Lisinopril143 claims
  4. Gabapentin142 claims
  5. Losartan Potassium119 claims
  6. Levothyroxine Sodium103 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

  1. Swedish Health ServicesSeattle, WA

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

Thomas Merson Tocher among 3,079 internal medicine physician records in Washington

Thomas Merson Tocher, M.D. 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1988 · median 2006 among the 1,852 with a school on file
  • Record last updated2025 · 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).

821 internal medicine physician records list a practice address in Seattle

They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Shahlan Alraddawi, MDSeattle, WA 981151477181212
  2. Mary Bolton, M.D., PH.D.Seattle, WA 981151346683547
  3. Angela Heithaus, MDSeattle, WA 981151285781583
  4. Therese Law, MDSeattle, WA 981151831291178
  5. Wayne Lin, M.D.Seattle, WA 981151295957371
  6. Anne McTiernan, MDSeattle, WA 981151427862739
  7. Mark Miller, MDSeattle, WA 981151023384989
  8. Arielle Mitton, M.D.Seattle, WA 981151689973232

Common questions

What is Thomas Merson Tocher, M.D.'s NPI number?

Thomas Merson Tocher, M.D.'s National Provider Identifier (NPI) is 1568571289, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Merson Tocher, M.D. located?

The NPPES record lists a practice address at 6322 Roosevelt Way NE, Seattle, WA, 98115. Phone: (206) 320-8050. Providers update this record themselves, so call before visiting.

How can I verify Thomas Merson Tocher, M.D.'s license?

NPPES lists Washington license number MD0028706, 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 Thomas Merson Tocher, M.D. prescribe under Medicare Part D?

In 2024, Thomas Merson Tocher, M.D. had 3,939 Medicare Part D claims for 440 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.