NPPES file of Aug 9, 2026

Stuart Evan Sinoff, MD

Neurology Physician · Seattle, WA

Stuart Evan Sinoff, MD is a neurology physician with a practice address in Seattle, Washington, and NPI 1659488989, issued on Aug 24, 2006. Check the license (Washington MD61133387, 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
1659488989
Name
Stuart Evan Sinoff
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
MD61133387 WA
Self-reported in NPPES; status is on the state search
Practice location
1600 E Jefferson St Ste 205, Seattle, WA 98122
Phone
(206) 386-2700
Enumerated
Aug 24, 2006
Record last updated
Jan 28, 2026
Fax
(206) 386-2703
Medicaid ID
2189324 WA
Medicare enrollment
Enrolled (PECOS I20220303002557); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1983
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 1600 E Jefferson St Ste 205

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

  1. Eve Feinberg, MDNeurology Physician1730537697
  2. Steven Hamilton, MDNeurology Physician1669409694

Verify Stuart Evan Sinoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61133387
    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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96% fewer Medicare Part D claims than the average neurology physician in 2024

55 Medicare Part D claims for 20 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Stuart Sinoff55
  2. Specialty average1,370

Most prescribed

  1. Escitalopram Oxalate16 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): 82.8 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 score82.1
  2. Costout of 100 · 30%60.7
  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).

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).

Neurology Physician providers in Washington

There are 489 neurology physician records in Washington.

Other neurology physician records in Washington

  1. Nandini AbburiSeattle, WA1730618349
  2. Tilahun Abraha, MDOlympia, WA1124367776
  3. Carlos Acevedo, MDWalla Walla, WA1619059870
  4. Seema Afridi, MDBellingham, WA1831381219
  5. Neha Agarwal, MDSeattle, WA1275088445
  6. Pinky Agarwal, MDKirkland, WA1245223296
  7. Makeda Agonafer, M.D.Renton, WA1215371935
  8. Ban Alamin, MDSeattle, WA1861334518
  9. Aws Alawi, M.D.Seattle, WA1891082293
  10. Jason Aldred, M.D.Spokane, WA1003969684

Common questions

What is Stuart Evan Sinoff, MD's NPI number?

Stuart Evan Sinoff, MD's National Provider Identifier (NPI) is 1659488989, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stuart Evan Sinoff, MD located?

The NPPES record lists a practice address at 1600 E Jefferson St Ste 205, Seattle, WA, 98122. Phone: (206) 386-2700. Providers update this record themselves, so call before visiting.

How can I verify Stuart Evan Sinoff, MD's license?

NPPES lists Washington license number MD61133387, 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 Stuart Evan Sinoff, MD prescribe under Medicare Part D?

In 2024, Stuart Evan Sinoff, MD had 55 Medicare Part D claims for 20 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Stuart Evan Sinoff, MD's MIPS final score?

The 2023 MIPS final score is 82.8 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.