Referral Destinations for Christopher C Chang

The referral data shown here is for the referral destinations of the Medicare patients of Christopher C Chang. This may not be all of the patients but in most cases is a valid indicator of the number of overall referrals made, especially compared to similar providers.

What do we know about CHRISTOPHER C. CHANG, MD compared to other Allergists-Immunologists?

We have taken a look at the inbound as well as outbound patient referrals for this physician. Any Allergists-Immunologists at the same geographic location are not included in this analysis.

The percentage ranking of the patient referrals is based on the 50 nearest competitors, including this Allergists-Immunologists. The outbound referrals are 51%. The inbound patient referrals rank at the 51% mark.

CHRISTOPHER C. CHANG, MD - By the numbers

The number of inbound referrals of 3,663 is lower than the average number of inbound referrals of 7,422 for physicians like CHRISTOPHER C. CHANG, MD.

Referral Destinations by Taxonomy

Below we are displaying the Referral Destinations of Christopher C Chang categorized by taxonomy for the selected year. You can select the tab to view details for each year.

Please note that we are only displaying the top 10 referrals destinations.

The information in the treemap graph shows the number of appointments for patients for 2018 referred other providers and facilities by Christopher C Chang, grouped by taxonomies . When you move your mouse over one of the taxonomies, it will provide you with additional information, including the patient count.


Below we are displaying the Referral Sources of Christopher C Chang in a grid for 2018. You can sort the information by either taxonomy, appointment count or patient count. The default sort order is appointment count.

The information in the treemap graph shows the number of appointments for patients for 2017 referred other providers and facilities by Christopher C Chang, grouped by taxonomies . When you move your mouse over one of the taxonomies, it will provide you with additional information, including the patient count.


Below we are displaying the Referral Sources of Christopher C Chang in a grid for 2017. You can sort the information by either taxonomy, appointment count or patient count. The default sort order is appointment count.

The information in the treemap graph shows the number of appointments for patients for 2016 referred other providers and facilities by Christopher C Chang, grouped by taxonomies . When you move your mouse over one of the taxonomies, it will provide you with additional information, including the patient count.


Below we are displaying the Referral Sources of Christopher C Chang in a grid for 2016. You can sort the information by either taxonomy, appointment count or patient count. The default sort order is appointment count.

The information in the treemap graph shows the number of appointments for patients for 2015 referred other providers and facilities by Christopher C Chang, grouped by taxonomies . When you move your mouse over one of the taxonomies, it will provide you with additional information, including the patient count.


Below we are displaying the Referral Sources of Christopher C Chang in a grid for 2015. You can sort the information by either taxonomy, appointment count or patient count. The default sort order is appointment count.