NPPES file of Aug 9, 2026

Terrill Harrington, MD

Family Medicine Physician · Seattle, WA

Terrill Harrington, MD is a family medicine physician with a practice address in Seattle, Washington, and NPI 1205854395, issued on Jul 17, 2006. Check the license (Washington MD00038084, 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
1205854395
Name
Terrill Harrington
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD00038084 WA
Self-reported in NPPES; status is on the state search
Practice location
3623 SW Alaska St, Seattle, WA 98126
Phone
(206) 362-8674
Enumerated
Jul 17, 2006
Record last updated
Jul 27, 2024
Fax
(206) 935-1425
Medicare enrollment
Enrolled (PECOS I20040416000660); accepts Medicare assignment
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 3623 SW Alaska St

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

  1. John Morris, MDFamily Medicine Physician1952346926

Verify Terrill Harrington in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00038084
    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

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40% fewer Medicare Part D claims than the average family medicine physician in 2024

2,143 Medicare Part D claims for 165 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 60 claims were for opioids.

  1. Terrill Harrington2,143
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium228 claims
  2. Losartan Potassium138 claims
  3. Tamsulosin Hcl121 claims
  4. Amlodipine Besylate110 claims
  5. Levothyroxine Sodium97 claims
  6. Hydrochlorothiazide77 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.

Terrill Harrington among 5,534 family medicine physician records in Washington

Terrill Harrington, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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, 58% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2009 among the 3,294 with a school on file
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

871 family medicine physician records list a practice address in Seattle

They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Andrea Cistulli, DOSeattle, WA 981261427672310
  2. Brittany Cools-Lartigue, MDSeattle, WA 981261093276552
  3. Farhood Farahmand, MDSeattle, WA 981261275897647
  4. Katherine Fate, DOSeattle, WA 981261124429428
  5. Katherine Hoang, MDSeattle, WA 981261417169277
  6. Courtney Johnson, MDSeattle, WA 981261497863005
  7. Muriel Jones, M.D.Seattle, WA 981261891897013
  8. John Morris, MDSeattle, WA 981261952346926

Common questions

What is Terrill Harrington, MD's NPI number?

Terrill Harrington, MD's National Provider Identifier (NPI) is 1205854395, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Terrill Harrington, MD located?

The NPPES record lists a practice address at 3623 SW Alaska St, Seattle, WA, 98126. Phone: (206) 362-8674. Providers update this record themselves, so call before visiting.

How can I verify Terrill Harrington, MD's license?

NPPES lists Washington license number MD00038084, 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 Terrill Harrington, MD prescribe under Medicare Part D?

In 2024, Terrill Harrington, MD had 2,143 Medicare Part D claims for 165 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.