Physician

Aaron Willen, DO

According to 2025 Medicare claims, Aaron Willen, DO (NPI: 1316352776) practices emergency medicine in the Albany-Schenectady-Troy, NY market, with the plurality of this provider's patient population coming from Rensselaer, NY. This provider's primary affiliated billing organization is ISLAND EMERGENCY MEDICAL SERVICES, P.C. (NPI: 1639160385; TIN: 113537613) and primary practice location at 12180-2466.

Willen's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 252 traditional Medicare patients, billed 301 HCPCS/CPT codes, and received $30,918 in Medicare payments. The top billing code was 99285 (Emergency department visit with high level of medical decision making). Part D data shows 323 prescription claims across 234 beneficiaries totaling $5,171 in drug costs, led by Cefdinir (Cefdinir). 2018 DME data shows 215 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 moved sharply higher in recent years, from $2,168 to $30,918. Similarly, Part D prescription costs have moved sharply higher in recent years, from $304 to $5,171. 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$25K$50K2017 Medicare payment: $2,168 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $11,121 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $10,951 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $3,218 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $49,716 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $41,587 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $30,918 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
2015N/RN/RN/R
2016N/RN/RN/R
20172947$2,168
2018116201$11,121
2019138245$10,951
20202829$3,218
2021375435$49,716
2022296335$41,587
2023N/RN/RN/R
2024252301$30,918

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$2.6K$5.2K2015 Drug cost: $304 (USD; Tot_Drug_Cst)2016 Drug cost: $773 (USD; Tot_Drug_Cst)2017 Drug cost: $1,709 (USD; Tot_Drug_Cst)2018 Drug cost: $2,552 (USD; Tot_Drug_Cst)2019 Drug cost: $5,246 (USD; Tot_Drug_Cst)2020 Drug cost: $2,230 (USD; Tot_Drug_Cst)2021 Drug cost: $3,209 (USD; Tot_Drug_Cst)2022 Drug cost: $4,093 (USD; Tot_Drug_Cst)2024 Drug cost: $5,171 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
20153139$304
20163850$773
20174667$1,709
201893156$2,552
2019169247$5,246
20207492$2,230
2021114130$3,209
2022118150$4,093
2023N/RN/RN/R
2024234323$5,171

DME Billing Trend

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

DME Billing Trend. X-axis: year 2015-2024. Y-axis: Medicare payment, unit: USD. Field: DME_Suplr_Mdcr_Pymt_Amt. Source: Medicare DME, Devices & Supplies by Referring Provider.0$76K$151K2018 Medicare payment: $151,263 (USD; DME_Suplr_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClaimsPayment
2015N/RN/RN/R
2016N/RN/RN/R
2017N/RN/RN/R
2018207215$151,263
2019N/RN/RN/R
2020N/RN/RN/R
2021N/RN/RN/R
2022N/RN/RN/R
2023N/RN/RN/R
2024N/RN/RN/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.

CodeDescriptionPatientsClm LinesTotal Payment
99285Emergency department visit with high level of medical decision making122128$128
99284Emergency department visit with moderate level of medical decision making112120$89
99283Emergency department visit with low level of medical decision making2325$53

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
CefdinirCefdinir37314$622
Doxycycline HyclateDoxycycline Hyclate28298$267
PrednisonePrednisone60554$234
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1198$112
Ondansetron OdtOndansetron1568$89

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.

FAQ

What Medicare data is available for Aaron Willen, DO?

Tedicare shows public-source Medicare data for Aaron Willen, DO (NPI 1316352776), 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 Willen, DO 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 Willen, DO?

Aaron Willen, DO is linked to ISLAND EMERGENCY MEDICAL SERVICES, P.C. (billing NPI 1639160385) in the available physician profile data.

Does Aaron Willen, DO 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.