Before you make an appointment with Dr. Leung, there are a few things you need to know:
1) Do I need a referral to see Dr. Leung?
Dr. Leung is a specialist. Unless you have a PPO insurance plan or Medicare, you will need a referral to see him. All HMO plans requires a referral to see specialist. If you need a referral and don't have one, your insurance may not cover the visit. It is why it is important to check with your insurance to see if you need to obtain a referral before you see Dr. Leung.
You can ask your primary care physician (PCP) to fax the referral to 877-726-8492. Your PCP will need the following information to process your referral:
NPI = 144-732-8711
TIN = 81-07-64-208
NPI = 102-356-1966
|Allergy testing||CPT Code||Reason for the testing|
|Food allergy testing||95004||Food allergy|
|Environmental allergy testing||95004, 95024||Seasonal allergy|
|Patch testing||95044||Skin allergy (allergy contact dermatitis)|
|Pulmonary function test||94060||Evaluate for asthma|
|Allergy shots||95165, 95180, 95117||The only curative treatment for environmental allergy|
|Supervised oral challenge||95076||To rule out or confirm food allergy|
|Hydrogen breath test/SIBO||91065||Evaluate for small bowel bacterial overgrowth and food intolerances|