Physician

Mari Ann Keithahn, M.D.

According to 2025 Medicare claims, Mari Keithahn, M.D. (NPI: 1902880313) practices ophthalmology in the Columbia, MO market, with the plurality of this provider's patient population coming from Boone, MO. This provider's primary affiliated billing organization is MISSOURI RETINA CONSULTANTS PC (NPI: 1659971620) and primary practice location at 65201-8131.

Keithahn's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,060 traditional Medicare patients, billed 52,513 HCPCS/CPT codes, and received $4,892,984 in Medicare payments. The top billing code was J0178 (Injection, aflibercept, 1 mg). Part D data shows 281 prescription claims across 73 beneficiaries totaling $12,068 in drug costs, led by Difluprednate (Difluprednate). Open Payments data shows 1 records totaling $69. 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 $20,072 to $12,068. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	1,379	17,403	$4,175,579
2016	1,334	19,626	$4,778,968
2017	1,264	18,994	$4,675,015
2018	1,172	18,786	$4,987,203
2019	1,143	17,435	$4,851,320
2020	1,005	15,238	$4,228,391
2021	1,094	15,883	$4,397,478
2022	1,060	20,547	$4,203,169
2023	1,062	51,515	$4,353,246
2024	1,060	52,513	$4,892,984

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	72	220	$20,072
2016	77	273	$22,360
2017	73	266	$22,281
2018	58	178	$18,651
2019	58	207	$26,053
2020	67	182	$20,572
2021	67	208	$20,611
2022	76	237	$15,702
2023	79	233	$13,184
2024	73	281	$12,068

DME Billing Trend

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

No connected DME records

* / # = 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
J0178	Injection, aflibercept, 1 mg	327	2,424	$657
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	339	368	$86
67028	Injection of drug into eye	439	2,743	$81
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	612	2,575	$64
92134	Imaging of retina	1,044	3,364	$28

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Difluprednate	Difluprednate	46	1,143	$4,081
Atropine Sulfate	Atropine Sulfate	56	1,913	$2,089
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	14	484	$1,495
Prednisolone Acetate	Prednisolone Acetate	43	1,343	$1,457
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	55	1,158	$641

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	1	$69	Regeneron Healthcare Solutions, Inc.
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 Mari Ann Keithahn, M.D.?

Tedicare shows public-source Medicare data for Mari Ann Keithahn, M.D. (NPI 1902880313), 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 Mari Ann Keithahn, 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 Mari Ann Keithahn, M.D.?

Mari Ann Keithahn, M.D. is linked to MISSOURI RETINA CONSULTANTS PC (billing NPI 1659971620) in the available physician profile data.

Does Mari Ann Keithahn, M.D. have Open Payments data?

Mari Ann Keithahn, 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.