Physician

Aaron Chiang, M.D.

According to 2025 Medicare claims, Aaron Chiang, M.D. (NPI: 1184936379) practices hospitalist in the Los Angeles-Long Beach-Glendale, CA market, with the plurality of this provider's patient population coming from Los Angeles, CA. This provider's primary affiliated billing organization is AARON C. CHIANG, M.D., INC. (NPI: 1902464449; TIN: 84-1878521) and primary practice location at 90067-9998.

Chiang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 248 traditional Medicare patients, billed 5,116 HCPCS/CPT codes, and received $159,573 in Medicare payments. The top billing code was 71046 (X-ray of chest, 2 views). Part D data shows 2,483 prescription claims across 228 beneficiaries totaling $157,240 in drug costs, led by Mounjaro (Tirzepatide). 2019 DME data shows 26 claims. Open Payments data shows 3 records totaling $71. 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 risen steadily, from $80,278 to $159,573. Similarly, Part D prescription costs have moved sharply higher in recent years, from $7,526 to $157,240. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $1,407 and ending at $4,090.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	291	842	$80,278
2016	336	853	$82,440
2017	327	795	$65,676
2018	293	800	$63,149
2019	353	1,169	$76,145
2020	168	2,305	$73,632
2021	161	3,504	$109,011
2022	202	4,010	$129,276
2023	227	4,135	$131,952
2024	248	5,116	$159,573

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	69	171	$7,526
2016	94	212	$14,914
2017	73	184	$12,343
2018	92	196	$18,200
2019	77	210	$21,591
2020	72	642	$67,135
2021	104	1,096	$73,538
2022	177	1,765	$106,545
2023	200	2,152	$154,406
2024	228	2,483	$157,240

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	82	$2,701
2017	N/R	27	$1,115
2018	N/R	N/R	N/R
2019	N/R	26	$275
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
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
71046	X-ray of chest, 2 views	205	240	$27
93000	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report	205	237	$12
36415	Insertion of needle into vein for collection of blood sample	223	353	$9
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	208	290	$8
81001	Manual urinalysis test with examination using microscope, automated	198	245	$3

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Mounjaro	Tirzepatide	23	653	$24,410
Trulance	Plecanatide	12	480	$8,872
Synthroid	Levothyroxine Sodium	54	4,440	$5,545
Paxlovid	Nirmatrelvir/Ritonavir	46	230	$4,236
Rosuvastatin Calcium	Rosuvastatin Calcium	147	12,210	$2,118

Top 5 DME services in 2024

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

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	3	$71	Lilly USA, LLC
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 Aaron Chiang, M.D.?

Tedicare shows public-source Medicare data for Aaron Chiang, M.D. (NPI 1184936379), 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 Aaron Chiang, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Aaron Chiang, M.D.?

Aaron Chiang, M.D. is linked to AARON C. CHIANG, M.D., INC. (billing NPI 1902464449) in the available physician profile data.

Does Aaron Chiang, M.D. have Open Payments data?

Aaron Chiang, M.D. has 3 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.