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PROVIDER PROFILE · NPI 1780690313

Mark KoganM.D.

GastroenterologySan Pablo, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
728
Beneficiaries
—
Total drug cost
$90K
Distinct drugs
15
Brand share
29.5%
Top prescribed drugs
Omeprazole204 claims
Pantoprazole Sodium115 claims
Dicyclomine Hcl64 claims
Sod Sulf/Pot Chloride/Mag Sulf62 claims
Famotidine44 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$638
Payment records
19
By payment type
Food and Beverage$621
Education$17
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
776
Unique beneficiaries
—
Total services
2,430
Distinct HCPCS
14
Medicare payment
$167K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,398 Gastroenterology providers in CA — top quintile (cohort median 750).
REFERRAL NETWORK

Where Mark Kogan'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
East Bay Endoscopy Center L P
Ambulatory Surgical Center · Emeryville, CA
105130
CONTRA COSTA COUNTY97280
SUTTER EAST BAY HOSPITALS50115
Hayden Evans
Diagnostic Radiology · Oakland, CA
3380
HSIAO, JONATHAN1945
Michael Brown
Urology · Pinole, CA
1421
Khosrow Afsari
Internal Medicine · San Pablo, CA
1224
Matthew Giudice
Anesthesiology · San Francisco, CA
1212
Kc Imaging, Llc
Independent Diagnostic Testing Facility (IDTF) · Richmond, CA
1221
Claudell Stephens
Family Practice · Pinole, CA
1236
Grace Chou
Family Practice · Walnut Creek, CA
1130
Michael Grimes
Podiatry · Pinole, CA
1119
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.