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PROVIDER PROFILE · NPI 1407955008

David ZackD.O.

PRACTICENORTHWEST OHIO GASTROENTEROLOGY ASSOCIATES INC.See all providers at this practice →
GastroenterologyToledo, OHI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
663
Unique beneficiaries
—
Total services
735
Distinct HCPCS
15
Medicare payment
$76K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 553 Gastroenterology providers in OH — above median (cohort median 554).
PRESCRIBING · PART D · 2024
Total Rx claims
1,551
Beneficiaries
—
Total drug cost
$1.2M
Distinct drugs
32
Brand share
40.3%
Top prescribed drugs
Pantoprazole Sodium339 claims
Famotidine135 claims
Omeprazole121 claims
Sodium, Potassium,mag Sulfates106 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl94 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
125
By payment type
Food and Beverage$2K
Education$31
REFERRAL NETWORK

Where David Zack'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). 40 inbound referrers · 91 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERCY HEALTH - ST VINCENT MEDICAL CENTER LLC122377
THE TOLEDO HOSPITAL56110
Christine Haggerty
Nurse Practitioner · Toledo, OH
4283
Darlene Wilhelm
Nurse Practitioner · Oregon, OH
3666
Bruce Siders
Diagnostic Radiology · Toledo, OH
3574
Adireddy Kamireddy
Internal Medicine · Toledo, OH
33105
MADOFF, LEONARD2852
Donald Cox
Diagnostic Radiology · Toledo, OH
2658
Charles Gbur
Cardiology · Maumee, OH
2346
Michael Pappas
Gastroenterology · Toledo, OH
2247
Michelle Mccaster
Certified Registered Nurse Anesthetist (CRNA) · Detroit, MI
2252
Syed Zamir
Interventional Radiology · Toledo, OH
2061
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Toledo Endoscopy Asc Llc
Ambulatory Surgical Center · Toledo, OH
157290
NPI 1750387031147373
MERCY HEALTH - ST VINCENT MEDICAL CENTER LLC114365
James Edinger
Certified Registered Nurse Anesthetist (CRNA) · Sylvania, OH
64122
THE TOLEDO HOSPITAL51106
Michael Sorosiak
Certified Registered Nurse Anesthetist (CRNA) · Trenton, MI
4996
Christine Haggerty
Nurse Practitioner · Toledo, OH
43122
Stephen Strobel
Pathology · Toledo, OH
4079
BRITTON, ANDREW3978
Rubina Shah
Diagnostic Radiology · Toledo, OH
38110
MERCY HEALTH - ST ANNE HOSPITAL LLC34102
Darlene Wilhelm
Nurse Practitioner · Oregon, OH
3373
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.