Physician

Donald J Greggain, MD

Family practice Lewiston, ID-WA St Joseph Hospital LLC

According to 2025 Medicare claims, Donald J. Greggain, MD (NPI: 1154328052) practices family practice in the Lewiston, ID-WA market, with the plurality of this provider's patient population coming from Asotin, WA. This provider's primary affiliated billing organization is St Joseph Hospital LLC (NPI: 1205368404; TIN: ).

Greggain's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 396 traditional Medicare patients, billed 1,406 HCPCS/CPT codes, and received $70,872 in Medicare payments. Part D data shows 10,764 prescription claims across 511 beneficiaries totaling $902,920 in drug costs, and DME data shows 526 claims. Open Payments data shows 2 records totaling $124.

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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	37	94	$6,780
2015	36	83	$6,575
2016	16	57	$3,594
2017	31	78	$6,070
2018	27	80	$6,289
2019	450	1,518	$73,992
2020	474	1,365	$68,539
2021	433	1,391	$87,058
2022	408	1,354	$81,916
2023	396	1,406	$70,872

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	627	12,186	$844,439
2015	679	13,526	$932,880
2016	492	12,310	$928,076
2017	484	11,584	$869,980
2018	488	11,113	$870,247
2019	483	11,151	$830,882
2020	493	11,096	$791,993
2021	477	10,861	$880,878
2022	465	10,643	$812,925
2023	511	10,764	$902,920

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	110	468	$31,990
2015	122	580	$56,436
2016	115	750	$44,102
2017	111	626	$31,951
2018	97	564	$47,090
2019	86	431	$29,968
2020	87	539	$54,967
2021	92	498	$47,171
2022	82	521	$71,282
2023	96	526	$87,412

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.

DME	Patients	Claims	Services	Medicare Payment
All DME supplier activity	96	574	9,075	$106,409
Durable medical equipment	81	526	1,922	$87,412
DME drugs	Not reported for this year	29	4,244	$818
Prosthetics, orthotics, and supplies	19	30	1,190	$12,777

DME category summary is shown when item-level DME rows are not connected.

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

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