Physician

Changjian Chen, MD

According to 2025 Medicare claims, Changjian Chen, MD (NPI: 1649223272) practices gastroenterology in the Kokomo, IN market, with the plurality of this provider's patient population coming from Howard, IN. This provider's primary affiliated billing organization is COMMUNITY PHYSICIANS OF INDIANA INC (NPI: 1619105244; TIN: 35-0983617) and primary practice location at 46902-3838. Chen is affiliated with the IHCI ACO LLC (ACO ID: A4931), participating under the MSSP model.

Chen's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 647 traditional Medicare patients, billed 1,227 HCPCS/CPT codes, and received $109,879 in Medicare payments. The top billing code was 45385 (Removal of polyps or growths of large bowel using an endoscope with mechanical snare). Part D data shows 2,613 prescription claims across 650 beneficiaries totaling $2,030,972 in drug costs, led by Stelara (Ustekinumab). DME data shows 11 claims. Open Payments data shows 10 records totaling $232. 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 $191,363 to $109,879. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	869	2,123	$191,363
2016	936	2,219	$211,672
2017	919	1,948	$179,982
2018	792	1,759	$159,281
2019	780	1,727	$158,102
2020	691	1,450	$130,604
2021	773	1,636	$156,988
2022	699	1,461	$134,389
2023	710	1,454	$133,223
2024	647	1,227	$109,879

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	440	1,363	$1,738,109
2016	431	1,521	$1,716,226
2017	451	1,749	$2,063,222
2018	444	1,911	$992,821
2019	485	2,155	$1,450,760
2020	516	2,228	$1,766,697
2021	546	2,525	$2,017,625
2022	567	2,356	$1,795,870
2023	592	2,382	$2,333,214
2024	650	2,613	$2,030,972

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	24	$3,585
2024	N/R	11	$1,071

* / # = 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
45385	Removal of polyps or growths of large bowel using an endoscope with mechanical snare	73	73	$170
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	145	145	$109
99222	Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	166	170	$92
43235	Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	100	103	$72
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	122	133	$57

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Stelara	Ustekinumab	19	1,064	$489,290
Epclusa	Sofosbuvir/Velpatasvir	19	532	$455,115
Linzess	Linaclotide	266	14,376	$254,247
Humira(Cf) Pen	Adalimumab	26	576	$211,732
Xifaxan	Rifaximin	58	1,443	$170,131

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
B4152	Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	11	$1,071

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	10	$232	Takeda Pharmaceuticals U.S.A., Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Changjian Chen, MD?

Tedicare shows public-source Medicare data for Changjian Chen, MD (NPI 1649223272), 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 Changjian Chen, MD have ACO affiliation data?

Changjian Chen, MD is shown with ACO affiliation data for IHCI ACO LLC (MSSP, ACO ID A4931).

What billing organization is linked to Changjian Chen, MD?

Changjian Chen, MD is linked to COMMUNITY PHYSICIANS OF INDIANA INC (billing NPI 1619105244) in the available physician profile data.

Does Changjian Chen, MD have Open Payments data?

Changjian Chen, MD has 10 connected Open Payments records in the available 2024 summary 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.