Physician

Ann A Warn, M.D.

According to 2025 Medicare claims, Ann Warn, M.D. (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: 736109395) and primary practice location at 73505-6350.

Warn's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,446 traditional Medicare patients, billed 3,470 HCPCS/CPT codes, and received $251,652 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 1,476 prescription claims across 318 beneficiaries totaling $114,226 in drug costs, led by Alphagan P (Brimonidine Tartrate). DME data shows 19 claims. Open Payments data shows 1 records totaling $21. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has changed little. Concurrently, Part D prescription costs have declined steadily, from $206,505 to $114,226. In contrast, DME billing represents a smaller volume and changed little.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
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
2024	1,446	3,470	$251,652

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
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
2024	318	1,476	$114,226

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	71	71	$3,537
2016	113	113	$6,444
2017	106	107	$6,585
2018	73	73	$4,544
2019	90	102	$6,464
2020	72	73	$4,719
2021	84	84	$5,328
2022	72	72	$4,718
2023	77	77	$5,073
2024	19	19	$1,176

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	406	440	$80
92014	Established patient complete exam of visual system	811	847	$70
92083	Exam of visual field with extended testing	285	303	$36
92134	Imaging of retina	276	333	$23
92133	Imaging of optic nerve	279	287	$21

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Alphagan P	Brimonidine Tartrate	33	1,988	$18,403
Restasis	Cyclosporine	18	840	$17,602
Lumigan	Bimatoprost	20	1,105	$10,131
Rocklatan	Netarsudil Mesylat/Latanoprost	26	697	$8,762
Latanoprost	Latanoprost	519	29,877	$5,989

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
V2020	Frames, purchases	N	19	19	$1,176

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	1	$21	Alcon Vision LLC
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Ann A. Warn, M.D.?

Tedicare shows public-source Medicare data for Ann A. Warn, M.D. (NPI 1316916794), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Ann A. Warn, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Ann A. Warn, M.D.?

Ann A. Warn, M.D. is linked to DEAN MCGEE EYE INSTITUTE (billing NPI 1245209675) in the available physician profile data.

Does Ann A. Warn, M.D. have Open Payments data?

Ann A. Warn, M.D. has 1 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.