Physician

Ann A Warn, MD

Ophthalmology Lawton, OK Dean Mcgee Eye Institute

According to 2025 Medicare claims, Ann A. Warn, MD (NPI: 1316916794) practices ophthalmology in the Lawton, OK market, with the plurality of this provider's patient population coming from Comanche, OK. This provider's primary affiliated billing organization is Dean Mcgee Eye Institute (NPI: 1245209675; TIN: ).

Warn's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 1,432 traditional Medicare patients, billed 3,369 HCPCS/CPT codes, and received $280,158 in Medicare payments. Part D data shows 1,571 prescription claims across 409 beneficiaries totaling $141,870 in drug costs, and DME data shows 0 claims. Open Payments data shows 1 records totaling $21.

Download physician data Market Trend charts Top 5 tables

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	1,564	3,530	$288,723
2015	1,633	3,664	$308,885
2016	1,701	4,719	$320,439
2017	1,640	4,210	$299,740
2018	1,684	3,985	$312,891
2019	1,658	3,902	$318,304
2020	1,481	3,590	$270,410
2021	1,320	3,073	$243,396
2022	1,315	2,923	$224,644
2023	1,432	3,369	$280,158

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	333	2,199	$197,045
2015	390	2,251	$206,505
2016	372	2,194	$199,161
2017	355	2,083	$181,329
2018	328	1,826	$159,789
2019	322	1,688	$156,732
2020	369	1,742	$191,132
2021	379	1,761	$152,084
2022	377	1,582	$147,428
2023	409	1,571	$141,870

10-Year Trend of DME records

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

Year	Patients	Claims	Medicare Payment
2014	62	0	$0
2015	40	43	$8,526
2016	56	59	$9,336
2017	54	60	$8,832
2018	47	0	$0
2019	53	60	$8,703
2020	39	0	$0
2021	45	0	$0
2022	39	40	$7,681
2023	41	0	$0

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	41	42	142	$7,126
Durable medical equipment	0	0	0	$0
Prosthetics, orthotics, and supplies	0	0	0	$0
DME drugs	0	0	0	$0

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

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.

$9 per 100 physicians

Download physician data