Physician

Aaron Park, MD

Internal medicine Oakland-Fremont-Berkeley, CA American Specialty Physicians Group Inc

According to 2025 Medicare claims, Aaron Park, MD (NPI: 1184120792) practices internal medicine in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Contra Costa, CA. This provider's primary affiliated billing organization is American Specialty Physicians Group Inc (NPI: 1568992923; TIN: ).

Park's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 63 traditional Medicare patients, billed 500 HCPCS/CPT codes, and received $44,244 in Medicare payments. 2022 Part D data shows 27 prescription claims totaling $2,538 in drug costs. Open Payments data shows 1 records totaling $13.

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10-Year Trend of Part B billing

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

Year	Patients	Services	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	Not reported for this year	Not reported for this year
2018	Not reported for this year	Not reported for this year	Not reported for this year
2019	Not reported for this year	Not reported for this year	Not reported for this year
2020	Not reported for this year	Not reported for this year	Not reported for this year
2021	14	278	$23,276
2022	68	788	$66,716
2023	63	500	$44,244

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	Not reported for this year	Not reported for this year
2018	Not reported for this year	26	$1,929
2019	27	69	$4,696
2020	Not reported for this year	34	$2,137
2021	Not reported for this year	12	$763
2022	Not reported for this year	27	$2,538
2023	Not reported for this year	Not reported for this year	Not reported for this year

10-Year Trend of DME records

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

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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