Question 1

What is Stephen Chang, MD,PHD's email address?

Accepted Answer

Stephen Chang, MD,PHD's email address is available to verified Dmand AI users. Their primary practice is located at Stanford Hospital in Stanford, California. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Stephen Chang, MD,PHD's phone number?

Accepted Answer

Stephen Chang, MD,PHD's direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Stephen Chang, MD,PHD practice?

Accepted Answer

Stephen Chang, MD,PHD is a Cardiovascular Disease Physician physician currently practicing at Stanford Hospital in Stanford, California. They hold admitting privileges at 1 hospital(s), including STANFORD HEALTH CARE. To see all the affiliations of Stephen Chang, MD,PHD, start a free trial.

Question 4

What is Stephen Chang, MD,PHD's specialty?

Accepted Answer

Stephen Chang, MD,PHD is a board-certified Cardiovascular Disease Physician physician with a subspecialty in Cardiovascular Disease. They practice at Stanford Hospital in Stanford, California.

Question 5

What procedures does Stephen Chang, MD,PHD perform?

Accepted Answer

Stephen Chang, MD,PHD performs procedures across 238 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 Stephen Chang, MD,PHD's NPI number?

Accepted Answer

Stephen Chang, MD,PHD's National Provider Identifier (NPI) is 1417240227. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207RC0000X, corresponding to Cardiovascular Disease Physician.

Question 7

What EHR does Stephen Chang, MD,PHD use?

Accepted Answer

The EHR and practice technology used by Stephen Chang, MD,PHD at Stanford Hospital is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Stephen Chang, MD,PHD accept?

Accepted Answer

Stephen Chang, MD,PHD accepts 8 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Stephen Chang, MD,PHD affiliated with?

Accepted Answer

Stephen Chang, MD,PHD holds hospital privileges at 1 institution(s). Their primary affiliation is STANFORD HEALTH CARE in Stanford, California.

Question 10

What are Stephen Chang, MD,PHD's board certifications?

Accepted Answer

Stephen Chang, MD,PHD is board certified by American Board of Internal Medicine in Internal Medicine with subspecialty certification in Cardiovascular Disease. They have maintained this certification since .

Question 11

Where did Stephen Chang, MD,PHD go to medical school?

Accepted Answer

Stephen Chang, MD,PHD received their medical degree from University Of Cincinnati College Of Medicine in 2009. They completed their Internal Medicine residency at University of Minnesota and a fellowship in 2009 - 2011 at Brigham and Women's Hospital.

Question 12

How many patients does Stephen Chang, MD,PHD see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Stephen Chang, MD,PHD served approximately 185 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Stephen Chang, MD,PHD belong to?

Accepted Answer

Stephen Chang, MD,PHD is affiliated with STANFORD HEALTH CARE, a large (20+ physician) practice with 2197 physicians based in Stanford, California. The practice is independently owned.

Question 14

Does Stephen Chang, MD,PHD conduct clinical research or trials?

Accepted Answer

Stephen Chang, MD,PHD has 7 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	99214Established patient office or other outpatient visit, 30-39 minutes	42	49
2	99213Established patient office or other outpatient visit, typically 15 minutes	25	30
3	99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24
4	99232Subsequent hospital inpatient care, typically 25 minutes per day	20	35
5	99231Subsequent hospital inpatient care, typically 15 minutes per day	18	42

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Stephen Chang, MD,PHD

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