Physician

Aaron Lee, MD

According to 2025 Medicare claims, Aaron Lee, MD (NPI: 1831455575) practices gastroenterology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Alameda, CA. This provider's primary affiliated billing organization is ALAMEDA HEALTH SYSTEM (NPI: 1740332931; TIN: 943302014) and primary practice location at 94602-1018.

Lee's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 196 traditional Medicare patients, billed 353 HCPCS/CPT codes, and received $31,843 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 195 prescription claims across 108 beneficiaries totaling $71,476 in drug costs, led by Vemlidy (Tenofovir Alafenamide). Open Payments data shows 8 records totaling $953. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $46,027 and ending at $71,476. 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.

Part B Carrier Billing Trend. X-axis: year 2015-2024. Y-axis: Medicare payment, unit: USD. Field: Tot_Mdcr_Pymt_Amt. Source: Medicare Physician & Other Practitioners by Provider.0$17K$34K2021 Medicare payment: $1,196 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $34,345 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $15,761 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $31,843 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
2015N/RN/RN/R
2016N/RN/RN/R
2017N/RN/RN/R
2018N/RN/RN/R
2019N/RN/RN/R
2020N/RN/RN/R
20211114$1,196
2022141,835$34,345
202396250$15,761
2024196353$31,843

Part D Events Trend

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

Part D Events Trend. X-axis: year 2015-2024. Y-axis: Drug cost, unit: USD. Field: Tot_Drug_Cst. Source: Medicare Part D Prescribers by Provider.0$43K$85K2015 Drug cost: $46,027 (USD; Tot_Drug_Cst)2016 Drug cost: $75,807 (USD; Tot_Drug_Cst)2017 Drug cost: $23,108 (USD; Tot_Drug_Cst)2018 Drug cost: $73,114 (USD; Tot_Drug_Cst)2019 Drug cost: $74,889 (USD; Tot_Drug_Cst)2020 Drug cost: $50,795 (USD; Tot_Drug_Cst)2021 Drug cost: $71,911 (USD; Tot_Drug_Cst)2022 Drug cost: $85,429 (USD; Tot_Drug_Cst)2023 Drug cost: $76,391 (USD; Tot_Drug_Cst)2024 Drug cost: $71,476 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
201558168$46,027
201657181$75,807
2017127191$23,108
2018448592$73,114
2019458626$74,889
2020298478$50,795
2021399622$71,911
2022394645$85,429
2023300508$76,391
2024108195$71,476

DME Billing Trend

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

No connected DME records

No connected DME records

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

Top 5 Part B carrier billing codes in 2024

By total payments.

CodeDescriptionPatientsClm LinesTotal Payment
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes3336$115
45380Biopsy of large bowel using a flexible endoscope3434$108
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes2835$70
91200Measurement of liver stiffness4646$7
G0500Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito3434$4

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
VemlidyTenofovir Alafenamide21630$30,889
Gavilyte-CPeg3350/Sod Sulf,bicarb,cl/Kcl6779$981
Pantoprazole SodiumPantoprazole Sodium151,185$308
OmeprazoleOmeprazole311,491$195

Top 5 DME services in 2024

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

Open Payments Summary in 2024

CategoryDefinitionRecordsTotal Reported AmountTop Related Entity
General PaymentsReported payment or transfer-of-value amount.8$953Terumo Medical Corporation
Research PaymentsReported research-related payment or transfer-of-value amount.0$0N/R
Ownership / Investment InterestsReported value of ownership or investment interests.0$0N/R

FAQ

What Medicare data is available for Aaron Lee, MD?

Tedicare shows public-source Medicare data for Aaron Lee, MD (NPI 1831455575), 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 Lee, 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 Lee, MD?

Aaron Lee, MD is linked to ALAMEDA HEALTH SYSTEM (billing NPI 1740332931) in the available physician profile data.

Does Aaron Lee, MD have Open Payments data?

Aaron Lee, MD has 8 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.