NPPES file of Aug 9, 2026

Benjamin Koo, M.D.

Neuromuscular Medicine (Psychiatry & Neurology) Physician · Seattle, WA

Benjamin Koo, M.D. is a neuromuscular medicine (psychiatry & neurology) physician with a practice address in Seattle, Washington, and NPI 1801154695, issued on Apr 30, 2012. Check the license (Washington 60652306, 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
1801154695
Name
Benjamin Koo
Credential
M.D.
Primary taxonomy
Neuromuscular Medicine (Psychiatry & Neurology) Physician 2084N0008X
License numbers
60652306 WA
A126449 CA
MD181184 OR
Self-reported in NPPES; status is on the state search
Practice location
1959 NE Pacific St, Seattle, WA 98195
Phone
(206) 616-5207
Enumerated
Apr 30, 2012
Record last updated
Aug 23, 2022
Fax
(206) 685-8100
Medicaid ID
500738375 OR
Medicare enrollment
Enrolled (PECOS I20170804003313); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2012
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 1959 NE Pacific St

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

  1. Benjamin AaronsonPsychologist1497108880
  2. Laith Abandeh, MDPediatric Radiology Physician1609404243
  3. Rebecca AbayInternal Medicine Physician1528565520
  4. Gifti Abbo, MDStudent in an Organized Health Care Education/Training Program1316688989
  5. Nandini AbburiNeurology Physician1730618349
  6. Mohamed AbdelmotlebDiagnostic Radiology Physician1134892656

Verify Benjamin Koo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license 60652306
    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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50% more Medicare Part D claims than the average neuromuscular medicine (psychiatry & neurology) physician in 2024

1,238 Medicare Part D claims for 324 beneficiaries, against an average of 827 among the 258 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Benjamin Koo1,238
  2. Specialty average827

Most prescribed

  1. Levetiracetam102 claims
  2. Carbidopa-Levodopa98 claims
  3. Baclofen74 claims
  4. Gabapentin60 claims
  5. Carbamazepine Er57 claims
  6. Clonazepam47 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. The Vancouver Clinic Inc PSVancouver, WA

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

Neuromuscular Medicine (Psychiatry & Neurology) Physician providers in Washington

There are 4 neuromuscular medicine (psychiatry & neurology) physician records in Washington.

The 3 neuromuscular medicine (psychiatry & neurology) physician records with the nearest ZIP codes

  1. Matthew PrestonSeattle, WA 981951265775118
  2. Maxwell Ma, M.D.Seattle, WA 981081881912368
  3. Christopher Brewer, M.D., PH.D.Spokane, WA 992021801417241

Common questions

What is Benjamin Koo, M.D.'s NPI number?

Benjamin Koo, M.D.'s National Provider Identifier (NPI) is 1801154695, issued on Apr 30, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Koo, M.D. located?

The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 616-5207. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Koo, M.D.'s license?

NPPES lists Washington license number 60652306, 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 Benjamin Koo, M.D. prescribe under Medicare Part D?

In 2024, Benjamin Koo, M.D. had 1,238 Medicare Part D claims for 324 beneficiaries; the average among neuromuscular medicine (psychiatry & neurology) physician prescribers was 827. 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.