Physician

Amy S Terhaar

Nurse practitioner Ames, IA Mary Greeley Medical Center

According to 2025 Medicare claims, Amy S. Terhaar (NPI: 1164770855) practices nurse practitioner in the Ames, IA market, with the plurality of this provider's patient population coming from Story, IA. This provider's primary affiliated billing organization is Mary Greeley Medical Center (NPI: 1477539492; TIN: ).

Terhaar's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 143 traditional Medicare patients, billed 733 HCPCS/CPT codes, and received $22,953 in Medicare payments. Part D data shows 1,435 prescription claims across 116 beneficiaries totaling $67,913 in drug costs, and DME data shows 37 claims. Open Payments data shows 2 records totaling $35.

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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	279	2,592	$66,624
2015	323	2,513	$64,130
2016	226	2,184	$53,335
2017	229	2,468	$56,782
2018	213	1,383	$37,608
2019	182	824	$54,043
2020	182	943	$62,886
2021	164	822	$50,821
2022	139	576	$32,125
2023	143	733	$22,953

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	137	1,207	$35,246
2015	165	2,129	$68,529
2016	149	2,027	$62,617
2017	165	2,651	$102,839
2018	149	1,396	$69,217
2019	112	595	$25,953
2020	120	685	$24,899
2021	106	427	$24,953
2022	133	1,798	$126,653
2023	116	1,435	$67,913

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	33	$4,079
2015	Not reported for this year	17	$2,120
2016	Not reported for this year	19	$1,352
2017	14	37	$1,916
2018	15	36	$2,538
2019	14	43	$2,820
2020	17	48	$1,954
2021	20	80	$4,807
2022	21	51	$4,135
2023	36	37	$15,355

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	36	54	6,415	$19,084
Durable medical equipment	28	37	2,133	$15,355

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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