What is Mark Wong's specialty?

Mark Wong (NPI 1821054081) is a Medicare-billing provider whose primary specialty is Gastroenterology in Phoenix, AZ.

Where does Mark Wong practice?

Mark Wong practices in Phoenix, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1821054081.

How much does Medicare pay Mark Wong?

Mark Wong (NPI 1821054081) received approximately $51K in total Medicare Part B payments, serving 167 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821054081

Mark WongMD

PRACTICEBANNER HEALTH NETWORKSee all providers at this practice →

GastroenterologyPhoenix, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

213

Unique beneficiaries

—

Total services

462

Distinct HCPCS

Medicare payment

$47K

Peer benchmark

Total Medicare services vs. 280 Gastroenterology providers in AZ — below median (cohort median 659).

PRESCRIBING · PART D · 2024

Total Rx claims

2,160

Beneficiaries

—

Total drug cost

$897K

Distinct drugs

Brand share

18.8%

Top prescribed drugs

Tacrolimus311 claims

Mycophenolate Mofetil289 claims

Ursodiol240 claims

Tenofovir Alafenamide120 claims

Fluconazole81 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$6K

Payment records

By payment type

Consulting Fee$3K

Food and Beverage$2K

Travel and Lodging$549

Top paying entities

Consulting Fee$3K

Food and Beverage$2K

Travel and Lodging$549

REFERRAL NETWORK

Where Mark Wong'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Rishi Gosalia Diagnostic Radiology · Scottsdale, AZ	32	122
KOLLI, GEETHA	17	208
Alberto Ramos Internal Medicine · Phoenix, AZ	13	78
Anil Seetharam Gastroenterology · Scottsdale, AZ	12	158

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