Physician

Andrew Ching-Hung Chang, MD

According to 2025 Medicare claims, Andrew Chang, MD (NPI: 1649286816) practices thoracic surgery in the Detroit-Dearborn-Livonia, MI market, with the plurality of this provider's patient population coming from Wayne, MI. This provider's primary affiliated billing organization is REGENTS OF THE UNIVERSITY OF MICHIGAN (NPI: 1225063613; TIN: 386006309) and primary practice location at 48109-5000. Chang is affiliated with the POM ACO (ACO ID: A1297) and Mosaic ACO (ACO ID: A5033), participating under the MSSP model.

Chang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 127 traditional Medicare patients, billed 278 HCPCS/CPT codes, and received $57,734 in Medicare payments. The top billing code was 43248 (Insertion of guide wire with dilation of esophagus using a flexible endoscope). Part D data shows 18 prescription claims totaling $1,901 in drug costs. 2021 DME data shows 35 claims. No Open Payments records. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has declined steadily, from $98,035 to $57,734. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $11,646 and ending at $1,901. For DME billing, reported payments started with an early spike, then settled into a lower baseline, moving from $5,834 to $1,842.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	176	461	$98,035
2016	162	410	$98,655
2017	158	328	$80,495
2018	163	374	$81,344
2019	181	337	$88,329
2020	129	231	$52,990
2021	139	303	$69,210
2022	149	280	$51,893
2023	157	301	$59,468
2024	127	278	$57,734

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	19	55	$11,646
2016	26	47	$2,501
2017	14	31	$1,205
2018	16	40	$12,029
2019	16	45	$39,192
2020	12	36	$623
2021	20	27	$396
2022	14	27	$1,746
2023	17	28	$385
2024	N/R	18	$1,901

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	N/R	19	$1,422
2016	N/R	71	$5,886
2017	N/R	12	$466
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	35	$1,715
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
43248	Insertion of guide wire with dilation of esophagus using a flexible endoscope	12	17	$126
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$90
99203	New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$63
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	34	43	$47

Top 5 Part D drugs in 2024

By total drug costs.

Part D summary data is connected for 2024, but public drug-level costs are not available, so a Top 5 by total drug costs cannot be shown.

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Andrew Ching-Hung Chang, MD?

Tedicare shows public-source Medicare data for Andrew Ching-Hung Chang, MD (NPI 1649286816), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Andrew Ching-Hung Chang, MD have ACO affiliation data?

Andrew Ching-Hung Chang, MD is shown with ACO affiliation data for POM ACO (MSSP, ACO ID A1297) and Mosaic ACO (MSSP, ACO ID A5033).

What billing organization is linked to Andrew Ching-Hung Chang, MD?

Andrew Ching-Hung Chang, MD is linked to REGENTS OF THE UNIVERSITY OF MICHIGAN (billing NPI 1225063613) in the available physician profile data.

Does Andrew Ching-Hung Chang, MD have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.