Physician Profile
Roxanne Leung, MD
Unclaimed ProfileAbout Dr. Leung
Roxanne Leung, MD is a healthcare provider in San Jose, CA specializing in allergy. Roxanne trained at Rush Medical College of Rush University, graduating in 2003. According to Medicare claims data, Roxanne cared for 401 Medicare patients across 3,530 services. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and professional service for multiple injections of allergen.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 243-2700
- Email not available
Practice Locations
4050 MOORPARK AVE
San Jose, CA 95117
Procedures Most Often Billed to Medicare
3,530 services · 401 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,711 | As often as other peers in Allergy |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
625 | As often as other peers in Allergy |
| Professional service for multiple injections of allergen | Treatment | 95117 |
598 | More often than most peers in Allergy |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
148 | More often than most peers in Allergy |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
139 | More often than most peers in Allergy |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
58 | Less often than most peers in Allergy |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
176 | More often than most peers in Allergy |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
52 | As often as other peers in Allergy |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
23 | As often as other peers in Allergy |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other allergy specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 4 groups
Other allergy specialists in San Jose 4
Same specialty, same city.
Trained at Rush Medical College of Rush University 2
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Rush Medical College of Rush University 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Leung specialize in?
Dr. Leung is an allergy in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Leung located?
Dr. Leung is listed at 4050 Moorpark Ave, San Jose, CA 95117. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Leung's phone number?
The number on file is (408) 243-2700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leung's NPI number?
Dr. Leung's National Provider Identifier is 1730235334. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Leung go to medical school?
Dr. Leung attended Rush Medical College of Rush University, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leung been practicing?
Dr. Leung has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Leung do most often?
According to Medicare billing data, Dr. Leung provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leung confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leung. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.