Doctor profile · Federal record
Dr. Vincent Siy, MD
Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Bellevue, WA
- NPI 1144509423
- Accepts Medicare
- MIPS 79.2 / 100 · 2023
- 20 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 108Th Ave Ne
Bellevue, WA 98004
(425) 635-6350
fax (425) 635-6351 - Mailing address
-
MS 315010, Po Box 3947
Seatle, WA 981243947
Credentials & registration
- NPI registered
- August 2011 — 15 yrs on file
- Profile last updated
- March 18, 2021
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Washington #MD61095140 · Oregon #MD166137
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144509423. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
215
Distinct HCPCS
4
Medicare allowed
$18,687
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 63 | 48 | $4 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 38 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 50 | 38 | $136 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 39 | 39 | $142 |
In context: peer comparison
Among 25 peers in Bellevue Family Medicine Physician, average services per provider: 66. This provider delivers 3.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
531
Patients
81
Total drug cost
$7,347
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 92 | 19 | $1,317 |
| Amlodipine Besylate | Generic | 63 | 18 | $472 |
| Lisinopril | Generic | 56 | 18 | $379 |
| Levothyroxine Sodium | Generic | 51 | 12 | $728 |
| Losartan Potassium | Generic | 41 | 14 | $622 |
| Simvastatin | Generic | 32 | 0 | $444 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 29 | 0 | $257 |
| Metoprolol Succinate | Generic | 28 | 0 | $665 |
| Montelukast Sodium | Generic | 26 | 0 | $282 |
| Hydrochlorothiazide | Generic | 25 | 0 | $110 |
Hospital affiliations
Frequently asked questions
What is Dr. Vincent Siy's medical specialty?
Dr. Vincent Siy practices Family Medicine Physician in Bellevue, WA.
Where does Dr. Vincent Siy practice?
Dr. Vincent Siy practices at 400 108Th Ave Ne, Bellevue, WA 98004. Office phone: 4256356350.
What is Dr. Vincent Siy's NPI?
Dr. Vincent Siy's National Provider Identifier (NPI) is 1144509423, issued by NPPES.
Does Dr. Vincent Siy accept Medicare assignment?
Yes. Dr. Vincent Siy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vincent Siy commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.