Doctor profile · Federal record
Dr. William Nguyen, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Redmond, WA
- NPI 1861445017
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8301 161St Ave Ne Ste 308
Redmond, WA 980523858
(206) 527-1200 - Mailing address
-
9725 3Rd Ave Ne Ste 500
Seattle, WA 981152024
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 26, 2024
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Washington #MD61174262
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861445017. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,598
Distinct HCPCS
10
Medicare allowed
$254,772
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2357 |
Injection, omalizumab, 5 mg | 5,745 | 34 | $38 | |
95004 |
Test for allergy using allergenic extract | 663 | 28 | $5 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 385 | 31 | $18 | |
96372 |
Injection of drug or substance under skin or into muscle | 231 | 44 | $16 | |
95117 |
Professional service for multiple injections of allergen | 109 | 42 | $14 | |
95115 |
Professional service for single injection of allergen | 103 | 31 | $12 | |
95024 |
Test for allergy using allergenic extract injected into skin | 83 | 12 | $9 | |
96160 |
Administration and interpretation of patient-focused health risk assessment | 79 | 45 | $3 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 44 | $134 | |
94375 |
Test to measure rate of airflow | 34 | 21 | $44 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 542. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$13,475
Transactions
86
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 30 | $11,990.25 | |
| Regeneron Healthcare Solutions, Inc. | 13 | $349.01 | |
| GENZYME CORPORATION | 13 | $287.33 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 7 | $173.07 | |
| BioCryst US Sales Co., LLC | 4 | $112.19 | |
| PFIZER INC. | 3 | $96.33 | |
| Amgen Inc. | 2 | $59.70 | |
| ADMA BioManufacturing LLC | 2 | $53.60 | |
| Pharming Healthcare, Inc. | 2 | $50.51 | |
| GlaxoSmithKline, LLC. | 2 | $49.84 | |
| kaleo, Inc. | 2 | $46.02 | |
| Grifols USA, LLC | 2 | $42.35 | |
| Novartis Pharmaceuticals Corporation | 2 | $39.54 | |
| CSL Behring | 1 | $35.08 | |
| TerSera Therapeutics LLC | 1 | $31.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
299
Patients
71
Total drug cost
$162,680
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 59 | 21 | $1,122 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 40 | 0 | $26,554 |
| Fluticasone Propionate | Generic | 33 | 12 | $720 |
| Azelastine Hcl | Generic | 23 | 0 | $1,445 |
| Advair Hfa (Fluticasone Propion/Salmeterol) | Brand | 21 | 0 | $13,819 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 21 | 14 | $578 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 21 | 0 | $12,936 |
| Dupixent Syringe (Dupilumab) | Brand | 20 | 0 | $86,293 |
| Prednisone | Generic | 19 | 12 | $133 |
| Advair Diskus (Fluticasone Propion/Salmeterol) | Brand | 17 | 0 | $7,658 |
Frequently asked questions
What is Dr. William Nguyen's medical specialty?
Dr. William Nguyen practices Allergy & Immunology Physician in Redmond, WA.
Where does Dr. William Nguyen practice?
Dr. William Nguyen practices at 8301 161St Ave Ne Ste 308, Redmond, WA 980523858. Office phone: 2065271200.
What is Dr. William Nguyen's NPI?
Dr. William Nguyen's National Provider Identifier (NPI) is 1861445017, issued by NPPES.
Does Dr. William Nguyen accept Medicare assignment?
Yes. Dr. William Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165). Source: CMS Medicare Physician & Other Practitioners file.