Doctor profile · Federal record
Dr. Roxanne Leung, MD
Allergy Physician (CMS: Allergy/Immunology) · San Jose, CA
- NPI 1730235334
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4050 Moorpark Ave
San Jose, CA 951171840
(408) 243-2700
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- December 12, 2013
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207KA0200X — NUCC code
- State license (1)
- California #A103378
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1730235334. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,775
Distinct HCPCS
9
Medicare allowed
$75,479
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 1,907 | 26 | $5 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 709 | 34 | $19 | |
95117 |
Professional service for multiple injections of allergen | 580 | 35 | $15 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 176 | 81 | $143 | |
94010 |
Test to measure expiratory airflow and volume | 132 | 63 | $33 | |
95012 |
Test to measure the level of nitric oxide gas | 123 | 62 | $24 | |
95024 |
Test for allergy using allergenic extract injected into skin | 66 | 12 | $10 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 38 | $102 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $184 |
In context: peer comparison
Among 2 peers in San Jose Allergy Physician, average services per provider: 489. This provider delivers 7.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
321
Patients
51
Total drug cost
$111,814
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 90 | 23 | $1,122 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 30 | 0 | $21,355 |
| Azelastine Hcl | Generic | 27 | 0 | $1,084 |
| Hydroxyzine Hcl | Generic | 26 | 0 | $464 |
| Prednisone | Generic | 26 | 16 | $87 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 22 | 12 | $491 |
| Flovent Hfa (Fluticasone Propionate) | Brand | 15 | 0 | $7,027 |
| Flovent Diskus (Fluticasone Propionate) | Brand | 14 | 0 | $4,491 |
| Dupixent Syringe (Dupilumab) | Brand | 13 | 0 | $54,478 |
| Fluticasone Propionate | Generic | 13 | 0 | $510 |
Frequently asked questions
What is Dr. Roxanne Leung's medical specialty?
Dr. Roxanne Leung practices Allergy Physician in San Jose, CA.
Where does Dr. Roxanne Leung practice?
Dr. Roxanne Leung practices at 4050 Moorpark Ave, San Jose, CA 951171840. Office phone: 4082432700.
What is Dr. Roxanne Leung's NPI?
Dr. Roxanne Leung's National Provider Identifier (NPI) is 1730235334, issued by NPPES.
Does Dr. Roxanne Leung accept Medicare assignment?
Yes. Dr. Roxanne Leung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roxanne Leung commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.