DR. STUART EVAN SINOFF MD
NPI 1659488989
Psychiatry & Neurology - Neurology in Seattle, WA

Active since August 24, 2006PECOS EnrolledAccepts Medicare Assignment
82.84/100
CMS Quality Rating
1600 E JEFFERSON ST STE 205, SEATTLE, WA 98122(206) 386-2700(206) 386-2703 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 28, 2026, Sep 23, 2021, Sep 21, 2020 and 2 more (5 updates tracked since 2016).

About Dr. Stuart Evan Sinoff Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STUART EVAN SINOFF MD (NPI 1659488989) is an individual neurology provider in Seattle, Washington, licensed in Washington (MD61133387) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and is a graduate of Georgetown University School Of Medicine (1983).

NPPES Registry Identity

NPI1659488989
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. STUART EVAN SINOFFCredential: MD
Location Address1600 E JEFFERSON ST STE 205Seattle, WA 98122-5644
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476
Fax(206) 386-2703
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1983
Enumeration DateAugust 24, 2006
Last NPPES UpdateJanuary 28, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2026
NPI 1659488989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in WA · MD61133387
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedOphthalmology · Neuro-ophthalmologyTaxonomy 207WX0109X · License MD61133387 (WA)
1600 E JEFFERSON ST STE 205, Seattle, WA 98122

Other Identifiers 1

Medicaid2189324WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Stuart Evan Sinoff Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052372539
PECOS Enrollment IDI20220303002557
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
108 services85 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
103 services82 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
74 services74 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
58 services48 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
40 services36 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
28 services26 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.14
Promoting Interoperability100
Improvement Activities40
Cost60.65

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
1600 E JEFFERSON ST STE 205
SEATTLE, WA 98122
Psychiatry & Neurology (Neurology)
1600 E JEFFERSON ST STE 205
SEATTLE, WA 98122

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stuart Sinoff's NPI number?

The NPI number for Stuart Sinoff is 1659488989. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Stuart Sinoff located?

Stuart Sinoff practices at 1600 E Jefferson St Ste 205, Seattle, WA 98122. The listed phone number is (206) 386-2700.

What is Stuart Sinoff's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Stuart Sinoff enrolled in Medicare?

Yes. Stuart Sinoff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stuart Sinoff accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Stuart Sinoff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Stuart Sinoff affiliated with any hospitals?

According to CMS data, Stuart Sinoff is affiliated with Swedish Medical Center / Cherry Hill.

When was this NPI record last updated?

The NPPES record for Stuart Sinoff was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.