What is Mark Kogan's specialty?

Mark Kogan (NPI 1780690313) is a Medicare-billing provider whose primary specialty is Gastroenterology in San Pablo, CA.

Where does Mark Kogan practice?

Mark Kogan practices in San Pablo, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1780690313.

How much does Medicare pay Mark Kogan?

Mark Kogan (NPI 1780690313) received approximately $189K in total Medicare Part B payments, serving 407 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1780690313

Mark KoganM.D.

GastroenterologySan Pablo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

776

Unique beneficiaries

—

Total services

2,430

Distinct HCPCS

Medicare payment

$167K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — top quintile (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

728

Beneficiaries

—

Total drug cost

$90K

Distinct drugs

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 · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

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

Physician	Patients	Visits
East Bay Endoscopy Center L P Ambulatory Surgical Center · Emeryville, CA	105	130
CONTRA COSTA COUNTY	97	280
SUTTER EAST BAY HOSPITALS	50	115
Hayden Evans Diagnostic Radiology · Oakland, CA	33	80
HSIAO, JONATHAN	19	45
Michael Brown Urology · Pinole, CA	14	21
Khosrow Afsari Internal Medicine · San Pablo, CA	12	24
Matthew Giudice Anesthesiology · San Francisco, CA	12	12
Kc Imaging, Llc Independent Diagnostic Testing Facility (IDTF) · Richmond, CA	12	21
Claudell Stephens Family Practice · Pinole, CA	12	36
Grace Chou Family Practice · Walnut Creek, CA	11	30
Michael Grimes Podiatry · Pinole, CA	11	19

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events