VINCENT B SIY MD
NPI 1144509423
Family Medicine in Bellevue, WA

Active since August 04, 2011PECOS EnrolledAccepts Medicare Assignment
79.16/100
CMS Quality Rating
400 108TH AVE NE, BELLEVUE, WA 98004(425) 635-6350(425) 635-6351 Get Directions Write a Review

NPPES record last updated: March 18, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Vincent B Siy Md NPPES

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

VINCENT B SIY MD (NPI 1144509423) is an individual family medicine provider in Bellevue, Washington, licensed in Washington (MD61095140) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1144509423
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameVINCENT B SIYCredential: MD
Location Address400 108TH AVE NEBellevue, WA 98004
Mailing AddressMs 315010, Po Box 3947Seatle, WA 98124-3947 · (425) 467-3655 · Fax (425) 635-6388
Fax(425) 635-6351
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 4, 2011
Last NPPES UpdateMarch 18, 2021
NPPES CertifiedMarch 18, 2021
NPI 1144509423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in WA · MD61095140 Licensed in OR · MD166137
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
400 108TH AVE NE, Bellevue, WA 98004

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

Vincent B Siy 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 ID2466692603
PECOS Enrollment IDI20210126003280
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 4

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
78 services48 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
63 services48 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.
49 services38 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
40 services40 patients

Hospital Affiliations CMS Care Compare

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

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500051
Location1035-116th Ave NEBellevue, WA 98004 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98004 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
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.

79.16/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.53
Promoting Interoperability100
Improvement Activities40
Cost56.02

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers17 claims40 services$5.80 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers22 claims22 services$74.86 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$31.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

Internal Medicine
400 108TH AVE NE
BELLEVUE, WA 98004
Social Worker (Clinical)
400 108TH AVE NE, #402
BELLEVUE, WA 98004
Social Worker (Clinical)
400 108TH AVE NE, SUITE 402
BELLEVUE, WA 98004
Nurse Practitioner (Primary Care)
400 108TH AVE NE, OVERLAKE MEDICAL CLINIC, DOWNTOWN BELLEVUE
BELLEVUE, WA 98004
Family Medicine
400 108TH AVE NE
BELLEVUE, WA 98004
Counselor (Mental Health)
400 108TH AVE NE
BELLEVUE, WA 98004
Nurse Practitioner (Family)
400 108TH AVE NE, SUITE 100
BELLEVUE, WA 98004

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 Vincent Siy's NPI number?

The NPI number for Vincent Siy is 1144509423. It was assigned to this individual provider in the NPPES registry on August 4, 2011.

Where is Vincent Siy located?

Vincent Siy practices at 400 108th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 635-6350.

What is Vincent Siy's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Vincent Siy enrolled in Medicare?

Yes. Vincent Siy 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 Vincent Siy accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Vincent Siy 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 Vincent Siy affiliated with any hospitals?

According to CMS data, Vincent Siy is affiliated with Overlake Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Vincent Siy was last updated on March 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.