PROVIDER PROFILE · NPI 1710964481

Jack FengM.D.

PRACTICEMISSION INTERNAL MEDICAL GROUP, INC.See all providers at this practice →

GastroenterologyMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,118

Unique beneficiaries

—

Total services

1,149

Distinct HCPCS

Medicare payment

$109K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

957

Beneficiaries

—

Total drug cost

$46K

Distinct drugs

Brand share

24.8%

Top prescribed drugs

Omeprazole269 claims

Famotidine247 claims

Sodium, Potassium,mag Sulfates110 claims

Pantoprazole Sodium90 claims

Sod Picosulf/Mag Ox/Citric Ac75 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$4K

Payment records

148

By payment type

Food and Beverage$4K

Education$26

REFERRAL NETWORK

Where Jack Feng'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
MIYAMOTO, ERIC	126	293
Unilab Corporation Clinical Laboratory · West Hills, CA	88	296
Christopher Vanley Pathology · Laguna Beach, CA	28	58
Jackson Penry Diagnostic Radiology · Mission Viejo, CA	25	43
Steven Sorenson Diagnostic Radiology · Redlands, CA	25	92
SADDLEBACK MEMORIAL MEDICAL CENTER	23	52
Navid Jahed Diagnostic Radiology · Mission Viejo, CA	22	40
Michael Truong Endocrinology · Mission Viejo, CA	21	54
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	19	46
Donald Pratt Internal Medicine · Mission Viejo, CA	13	74
Absalom Hepner Cardiology · Mission Viejo, CA	12	28
Raul Marquez Pulmonary Disease · Mission Viejo, CA	11	24

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