Physician

Zachary Goodwin Keenum, M.D.

According to 2025 Medicare claims, Zachary Keenum, M.D. (NPI: 1639605223) practices ophthalmology in the Sioux Falls, SD-MN market, with the plurality of this provider's patient population coming from Minnehaha, SD. This provider's primary affiliated billing organization is VANCE THOMPSON VISION CLINIC PROF LLC (NPI: 1205193554; TIN: 454527794) and primary practice location at 57108-3162. Keenum is affiliated with the Avera Prairie View ACO (ACO ID: A4692), participating under the MSSP model.

Keenum's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 650 traditional Medicare patients, billed 2,483 HCPCS/CPT codes, and received $306,803 in Medicare payments. The top billing code was 15823 (Removal of excessive skin and fat of upper eyelid). Part D data shows 766 prescription claims across 444 beneficiaries totaling $15,664 in drug costs, led by Tobramycin-Dexamethasone (Tobramycin/Dexamethasone). Open Payments data shows 13 records totaling $8,525. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $1,479 and ending at $15,664. 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	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	271	684	$90,434
2024	650	2,483	$306,803

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	13	35	$1,479
2018	69	189	$8,601
2019	50	135	$9,846
2020	11	34	$4,144
2021	147	323	$19,497
2022	228	508	$13,603
2023	257	479	$11,343
2024	444	766	$15,664

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
15823	Removal of excessive skin and fat of upper eyelid	230	230	$622
67900	Repair of brow paralysis	94	94	$290
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	205	205	$107
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	159	159	$85
92285	Photography of content of eyes	496	509	$17

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	146	2,043	$6,552
Moxifloxacin	Moxifloxacin Hcl	204	2,579	$4,411
Erythromycin	Erythromycin Base	306	3,220	$3,019
Cephalexin	Cephalexin	34	238	$368
Methylprednisolone	Methylprednisolone	18	108	$100

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.	12	$479	Glaukos Corporation
Research Payments	Reported research-related payment or transfer-of-value amount.	1	$8,046	Genentech, Inc.
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 Zachary Goodwin Keenum, M.D.?

Tedicare shows public-source Medicare data for Zachary Goodwin Keenum, M.D. (NPI 1639605223), 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 Zachary Goodwin Keenum, M.D. have ACO affiliation data?

Zachary Goodwin Keenum, M.D. is shown with ACO affiliation data for Avera Prairie View ACO (MSSP, ACO ID A4692).

What billing organization is linked to Zachary Goodwin Keenum, M.D.?

Zachary Goodwin Keenum, M.D. is linked to VANCE THOMPSON VISION CLINIC PROF LLC (billing NPI 1205193554) in the available physician profile data.

Does Zachary Goodwin Keenum, M.D. have Open Payments data?

Zachary Goodwin Keenum, M.D. has 13 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.