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The Effect of Patient Dementia on Outpatient Clinicians' Performance on Cost Outcomes Under Medicare Value-Based Payment.

Award Number: R21AG065526
ORGANIZATION: NATIONAL INSTITUTE ON AGING
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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Contact PD/PI: Johnston, Kenton James Project Summary The Medicare program is implementing value-based payment (VBP), in which outpatient clinicians are paid based on the quality and cost of the care they deliver. However, there is increasing concern these VBP programs may not accurately measure performance among clinicians who serve high-risk patient populations, particularly those with Alzheimer’s disease and related dementias (hereafter “dementia”). Prior research finds that dementia is independently associated with poorer patient outcomes and markedly higher costs of care. Furthermore, patients with dementia tend to be clustered among certain types of clinicians, such as geriatricians. However, although Medicare adjusts clinicians’ performance under VBP for the medical risk of their patients using the Centers for Medicare and Medicaid Services’ hierarchical condition category (CMS- HCC) risk model, it does not adjust for dementia. This could result in systematic under-estimation of performance for clinicians that disproportionately serve patients with dementia. Therefore, there is a critical need for research on the effect of patient dementia on measures of clinician performance under VBP, how this impacts providers who disproportionately serve such patients, and whether measures of dementia can be integrated into the CMS-HCC Medicare risk adjustment model. Our long-term goal is to incorporate measures of patient dementia into the risk adjustment system that Medicare uses in implementing VBP. The objectives of this R21 application are to: 1) validate the adequacy of claims-based measures of dementia; 2) evaluate the performance of a claims-based costs of care model that includes dementia by adding it to the standard CMS- HCC risk model; and 3) demonstrate the effects of our new model versus the standard CMS-HCC model on clinicians’ relative performance on cost measures in MIPS and the program more broadly. Our rationale for this project is that most clinicians in the U.S. will be held accountable for their performance on cost measures under VBP, and there is a significant risk that clinicians who disproportionately serve patients with dementia may be negatively impacted if these factors are not accounted for by risk adjustment. This research study will pursue three specific aims. For aim #1, we will conduct a retrospective cohort study using the Medicare Current Beneficiary Survey (MCBS) linked to prescription drug and claims data to validate the use of claims- based measures of dementia against patient self-report and prescription drug data. For aim #2, we will use the most recently available Medicare claims data from the CMS Virtual Research Data Center (VRDC) to identify the portion of Medicare costs attributable to dementia that are currently unexplained by the CMS-HCC risk model, and evaluate a model that improves prediction by adding risk points for dementia patients. For aim #3, we will use the CMS VRDC and Physician Compare data to assess the impact of claims-based risk adjustment for dementia on clinician performance on VBP cost outcomes, performance scores, and reimbursement, comparing clinicians who disproportionately serve patients with dementia to the rest of Medicare clinicians. Project Summary/Abstract Page 6


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2024 ( Subtotal = -$10,930 )
2024	2021	WASHINGTON UNIVERSITY, THE	ONE BROOKINGS DR	SAINT LOUIS	MO	63110	SAINT LOUIS CITY	USA	Aging Research	000	3	1/10/2024	CHANGE OF GRANTEE / TRAINING INSTITUTION / AWARDING INSTITUTION	-$41
2024	2021	SAINT LOUIS UNIVERSITY	221 N GRAND BLVD	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Aging Research	001	2	3/7/2024	NON-COMPETING CONTINUATION	-$10,889
														Subtotal = -$10,930

Issue Date FY: 2022 ( Subtotal = -$42,420 )
2022	2021	SAINT LOUIS UNIVERSITY	221 N GRAND BLVD	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Aging Research	001	2	7/29/2022	NON-COMPETING CONTINUATION	-$27,682
2022	2021	SAINT LOUIS UNIVERSITY	ONE NORTH GRAND	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Aging Research	000	2	4/7/2022	NON-COMPETING CONTINUATION	-$42,420
2022	2021	WASHINGTON UNIVERSITY, THE	ONE BROOKINGS DR	SAINT LOUIS	MO	63130	SAINT LOUIS	USA	Aging Research	002	3	8/3/2022	CHANGE OF GRANTEE / TRAINING INSTITUTION / AWARDING INSTITUTION	$27,682
														Subtotal = -$42,420

Issue Date FY: 2021 ( Subtotal = $115,815 )
2021	2021	SAINT LOUIS UNIVERSITY	ONE NORTH GRAND	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Aging Research	001	2	6/3/2021	NON-COMPETING CONTINUATION	$183,990
2021	2020	SAINT LOUIS UNIVERSITY	ONE NORTH GRAND	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Aging Research	000	1	2/17/2021	NEW	-$68,175
														Subtotal = $115,815

Issue Date FY: 2020 ( Subtotal = $234,905 )
2020	2020	SAINT LOUIS UNIVERSITY	ONE NORTH GRAND	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Aging Research	000	1	9/10/2020	NEW	$234,905
														Subtotal = $234,905

Grand Total All Awards = $297,370

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The Effect of Patient Dementia on Outpatient Clinicians' Performance on Cost Outcomes Under Medicare Value-Based Payment.

Award Number: R21AG065526

ORGANIZATION: NATIONAL INSTITUTE ON AGING

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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