Doctor profile · Federal record
Dr. Wynne Chen, MD
Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Seattle, WA
- NPI 1518974351
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
904 7Th Ave
Seattle, WA 981041132
(206) 860-5499 - Mailing address
-
Po Box 5127
Everett, WA 982065127
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 6, 2025
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207RS0012X — NUCC code
- State license (1)
- Washington #MD00045640
- Medicaid (2)
- WA #1012388 · WA #8438632
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518974351. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
390
Distinct HCPCS
6
Medicare allowed
$46,398
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 161 | 146 | $100 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 128 | 107 | $141 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $173 | |
G0400 |
Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels | 30 | 29 | $44 | |
95810 |
Sleep study in sleep lab (6 years or older) | 16 | 16 | $127 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 16 | 16 | $125 |
In context: peer comparison
Among 3 peers in Seattle Sleep Medicine (Internal Medicine) Physician, average services per provider: 66. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
492
Patients
102
Total drug cost
$96,675
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 79 | 26 | $643 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 65 | 31 | $2,078 |
| Azelastine Hcl | Generic | 51 | 15 | $2,324 |
| Zolpidem Tartrate | Generic | 46 | 0 | $211 |
| Flovent Hfa (Fluticasone Propionate) | Brand | 31 | 0 | $19,596 |
| Azithromycin | Generic | 28 | 13 | $278 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 26 | 0 | $26,162 |
| Montelukast Sodium | Generic | 23 | 0 | $285 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 23 | 0 | $12,410 |
| Advair Hfa (Fluticasone Propion/Salmeterol) | Brand | 22 | 0 | $15,009 |
Frequently asked questions
What is Dr. Wynne Chen's medical specialty?
Dr. Wynne Chen practices Sleep Medicine (Internal Medicine) Physician in Seattle, WA.
Where does Dr. Wynne Chen practice?
Dr. Wynne Chen practices at 904 7Th Ave, Seattle, WA 981041132. Office phone: 2068605499.
What is Dr. Wynne Chen's NPI?
Dr. Wynne Chen's National Provider Identifier (NPI) is 1518974351, issued by NPPES.
Does Dr. Wynne Chen accept Medicare assignment?
Yes. Dr. Wynne Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wynne Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.