Physician

Aaron G Lewis, MD

According to 2025 Medicare claims, Aaron Lewis, MD (NPI: 1053542100) practices general surgery 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 CITY OF HOPE MEDICAL FOUNDATION (NPI: 1871886366; TIN: 274803222) and primary practice location at 91105-3010.

Lewis' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 298 traditional Medicare patients, billed 921 HCPCS/CPT codes, and received $246,024 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 211 prescription claims across 72 beneficiaries totaling $51,914 in drug costs, led by Creon (Lipase/Protease/Amylase). DME data shows 125 claims. Open Payments data shows 2 records totaling $84. 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 moved sharply higher in recent years, from $9,705 to $246,024. Similarly, Part D prescription costs have risen steadily, from $2,789 to $51,914. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $1,989 and ending at $3,978.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	41	75	$9,705
2016	N/R	N/R	N/R
2017	17	34	$11,315
2018	93	309	$68,968
2019	110	354	$73,089
2020	101	349	$62,450
2021	190	665	$181,270
2022	244	800	$183,835
2023	271	839	$203,987
2024	298	921	$246,024

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	43	66	$2,789
2016	48	114	$12,408
2017	22	30	$1,193
2018	47	95	$6,057
2019	53	108	$9,943
2020	37	97	$15,509
2021	49	153	$24,462
2022	60	153	$28,377
2023	59	194	$35,837
2024	72	211	$51,914

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	22	$837
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	25	$1,627
2022	N/R	32	$264
2023	N/R	56	$9,482
2024	N/R	125	$79,591

* / # = 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
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	60	60	$190
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	100	153	$155
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	38	$146
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	138	$112
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	75	97	$81

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Creon	Lipase/Protease/Amylase	37	1,061	$34,926
Neomycin Sulfate	Neomycin Sulfate	14	15	$65
Metronidazole	Metronidazole	19	27	$17

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
B4197	Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix	N	N/R	30	$57,466
B4185	Parenteral nutrition solution, not otherwise specified, 10 grams lipids	N	N/R	31	$14,981
B4224	Parenteral nutrition administration kit, per day	N	N/R	32	$5,411
B4220	Parenteral nutrition supply kit; premix, per day	N	N/R	32	$1,732

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	2	$84	GlaxoSmithKline, 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 G. Lewis, MD?

Tedicare shows public-source Medicare data for Aaron G. Lewis, MD (NPI 1053542100), 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 G. Lewis, MD 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 G. Lewis, MD?

Aaron G. Lewis, MD is linked to CITY OF HOPE MEDICAL FOUNDATION (billing NPI 1871886366) in the available physician profile data.

Does Aaron G. Lewis, MD have Open Payments data?

Aaron G. Lewis, MD has 2 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.