What is Wencheng Jen's specialty?

Wencheng Jen (NPI 1811915481) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Gabriel, CA.

Where does Wencheng Jen practice?

Wencheng Jen practices in San Gabriel, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1811915481.

How much does Medicare pay Wencheng Jen?

Wencheng Jen (NPI 1811915481) received approximately $126K in total Medicare Part B payments, serving 153 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811915481

Wencheng JenM.D.

PRACTICEWENCHENG JEN M.D. INCSee all providers at this practice →

Internal MedicineSan Gabriel, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

678

Unique beneficiaries

—

Total services

1,303

Distinct HCPCS

Medicare payment

$119K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

2,459

Beneficiaries

—

Total drug cost

$165K

Distinct drugs

Brand share

15.8%

Top prescribed drugs

Atorvastatin Calcium276 claims

Losartan Potassium175 claims

Amlodipine Besylate137 claims

Montelukast Sodium107 claims

Lisinopril91 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Wencheng Jen'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	114	890
Erik Davydov Internal Medicine · Canyon Country, CA	108	275
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	24	45
APPLEBAUM, MARTIN	22	34
David Broumandi Diagnostic Radiology · Mission Hills, CA	12	26

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