caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1821006529

David ZacksMD PHD

PRACTICEREGENTS OF THE UNIVERSITY OF MICHIGANSee all providers at this practice →
OphthalmologyAnn Arbor, MII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
99
Beneficiaries
—
Total drug cost
$3K
Distinct drugs
4
Brand share
42.4%
Top prescribed drugs
Ketorolac Tromethamine32 claims
Neomycin/Polymyxin B/Dexametha25 claims
Prednisolone Acetate25 claims
Dorzolamide Hcl/Timolol Maleat17 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$76
Payment records
1
By payment type
Food and Beverage$76
Top paying entities
Food and Beverage$76
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
642
Unique beneficiaries
—
Total services
1,320
Distinct HCPCS
6
Medicare payment
$56K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 608 Ophthalmology providers in MI — below median (cohort median 1,582).
REFERRAL NETWORK

Where David Zacks's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 7 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF MICHIGAN3883,728
REGENTS OF THE UNIVERSITY OF MICHIGAN59264
Stephen Odaibo
Ophthalmology · Lexington, KY
1757
QUEST DIAGNOSTICS INCORPORATED MI1446
Joshua Vrabec
Ophthalmology · Rochester, MI
1460
Steven Cohen
Ophthalmology · Lenexa, KS
1450
Mythili Prabhu
Anesthesiology · Ann Arbor, MI
1129
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.