Physician

Adnan Kassier, MD

Internal medicine Lansing-East Lansing, MI Edward W Sparrow Hospital Association

According to 2025 Medicare claims, Adnan Kassier, MD (NPI: 1144575283) practices internal medicine in the Lansing-East Lansing, MI market, with the plurality of this provider's patient population coming from Ingham, MI. This provider's primary affiliated billing organization is Edward W Sparrow Hospital Association (NPI: 1245737402; TIN: ).

Kassier's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 417 traditional Medicare patients, billed 1,128 HCPCS/CPT codes, and received $119,338 in Medicare payments. Part D data shows 1,542 prescription claims across 317 beneficiaries totaling $267,099 in drug costs, and 2017 DME data shows 12 claims. Open Payments data shows 24 records totaling $6,563.

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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.

Year	Patients	Services	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	115	229	$19,706
2016	211	355	$33,324
2017	92	160	$14,494
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	59	79	$5,604
2022	121	276	$26,453
2023	417	1,128	$119,338

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	54	365	$18,529
2015	73	379	$24,365
2016	57	167	$7,440
2017	47	97	$5,515
2018	37	108	$14,757
2019	39	113	$6,734
2020	30	89	$8,422
2021	32	61	$7,240
2022	116	383	$56,552
2023	317	1,542	$267,099

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	17	$147
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	12	$656
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	Not reported for this year	Not reported for this year	Not reported for this year
2022	Not reported for this year	Not reported for this year	Not reported for this year
2023	Not reported for this year	Not reported for this year	Not reported for this year

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

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

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