Question 1

What is Roger Chang, M.D.'s email address?

Accepted Answer

Roger Chang, M.D.'s email address is available to verified Dmand AI users. Their primary practice is located at St Joseph Hospital Orange in Orange, California. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Roger Chang, M.D.'s phone number?

Accepted Answer

Roger Chang, M.D.'s direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Roger Chang, M.D. practice?

Accepted Answer

Roger Chang, M.D. is a Hospitalist Physician physician currently practicing at St Joseph Hospital Orange in Orange, California. They hold admitting privileges at 1 hospital(s), including PROVIDENCE ST. JOSEPH HOSPITAL. To see all the affiliations of Roger Chang, M.D., start a free trial.

Question 4

What is Roger Chang, M.D.'s specialty?

Accepted Answer

Roger Chang, M.D. is a board-certified Hospitalist Physician physician. They practice at St Joseph Hospital Orange in Orange, California.

Question 5

What procedures does Roger Chang, M.D. perform?

Accepted Answer

Roger Chang, M.D. performs procedures across 197 clinical categories. Their most commonly billed procedures based on Medicare claims data include , , and . Full procedure and CPT code data is available to Dmand AI subscribers, start a free trial.

Question 6

What is Roger Chang, M.D.'s NPI number?

Accepted Answer

Roger Chang, M.D.'s National Provider Identifier (NPI) is 1730158239. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 208M00000X, corresponding to Hospitalist Physician.

Question 7

What EHR does Roger Chang, M.D. use?

Accepted Answer

The EHR and practice technology used by Roger Chang, M.D. at St Joseph Hospital Orange is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Roger Chang, M.D. accept?

Accepted Answer

Roger Chang, M.D. accepts 12 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Roger Chang, M.D. affiliated with?

Accepted Answer

Roger Chang, M.D. holds hospital privileges at 1 institution(s). Their primary affiliation is PROVIDENCE ST. JOSEPH HOSPITAL in Orange, California.

Question 10

What are Roger Chang, M.D.'s board certifications?

Accepted Answer

Roger Chang, M.D. is board certified by American Board of Internal Medicine in Internal Medicine. They have maintained this certification since .

Question 11

Where did Roger Chang, M.D. go to medical school?

Accepted Answer

Roger Chang, M.D. received their medical degree from Feinberg School of Medicine in 2001. They completed their Internal Medicine residency at Los Angeles County-Harbor-UCLA Medical Center.

Question 12

How many patients does Roger Chang, M.D. see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Roger Chang, M.D. served approximately 131 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Roger Chang, M.D. belong to?

Accepted Answer

Roger Chang, M.D. is affiliated with PROVIDENCE MEDICAL FOUNDATION, a large (20+ physician) practice with 1070 physicians based in Orange, California. The practice is independently owned.

Question 14

Does Roger Chang, M.D. conduct clinical research or trials?

Accepted Answer

Roger Chang, M.D. has 18 indexed publications on record and no active clinical trial listings were found at time of last verification. Their research activity is available to Dmand AI subscribers. Sign up for a free trial to unlock their full research activity.

#	Procedure Code (CPT®/HCPCS II)	Procedure Patients	Procedure Volume
1	99233Subsequent hospital inpatient care, typically 35 minutes per day	47	109
2	99223Initial hospital inpatient care, typically 70 minutes per day	44	47
3	99239Hospital discharge day management, more than 30 minutes	40	41

The Dmand Booster 🚀

Roger Chang, M.D.

Frequently asked questions regarding Roger Chang, M.D.

Identify. Engage. Convert.