Tedicare

Physician

Aaron B Greenspan, MD

Gastroenterology St. Louis, MO-IL Washington University

According to 2025 Medicare claims, Aaron B. Greenspan, MD (NPI: 1558382911) practices gastroenterology in the St. Louis, MO-IL market, with the plurality of this provider's patient population coming from St. Louis, MO. This provider's primary affiliated billing organization is Washington University (NPI: 1992746903; TIN: ).

Greenspan's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 342 traditional Medicare patients, billed 597 HCPCS/CPT codes, and received $53,379 in Medicare payments. Part D data shows 1,711 prescription claims across 351 beneficiaries totaling $728,922 in drug costs. Open Payments data shows 14 records totaling $643.

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Download physician data with all billing codes (2014-2023) - $9 per 100 physicians.

10-Year Trend of Part B billing

Medicare payment trend, with patients and services in the table.

0$111K$221K2014: $193,0462015: $204,8722016: $221,3042017: $158,2002018: $124,8232019: $199,1792020: $203,8982021: $153,7122022: $82,3682023: $53,379201420162018202020222023
YearPatientsServicesMedicare Payment
20146301,428$193,046
20156931,528$204,872
20167421,867$221,304
20176901,545$158,200
20186111,225$124,823
20198822,050$199,179
20208192,127$203,898
20217081,750$153,712
2022498860$82,368
2023342597$53,379

10-Year Trend of Part D records

Prescription claims trend, with patients and drug cost in the table.

08561.7K2014: 6192015: 7982016: 1,0272017: 8752018: 7952019: 8342020: 1,0472021: 1,0582022: 1,4402023: 1,711201420162018202020222023
YearPatientsClaimsDrug Cost
2014163619$541,134
2015176798$790,976
20161841,027$333,204
2017181875$452,559
2018178795$157,190
2019253834$105,996
20202581,047$179,186
20212421,058$301,710
20223471,440$422,207
20233511,711$728,922

10-Year Trend of DME records

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

No connected records

No connected records

Top 5 Part B billing codes in 2023

By N of patients.

No connected Part B code-level records for 2023.

Top 5 Part D drugs in 2023

By N of patients.

No connected Part D drug-level records for 2023.

Top 5 DME in 2023

By N of patients.

No connected DME records for 2023.

Physician Data Export

Download physician data with all billing codes (2014-2023)

Part B billing, Part D prescribing, DME records, yearly summaries, source JSON, and source notes.

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