What is Fen Jiang's specialty?

Fen Jiang (NPI 1831312289) is a Medicare-billing provider whose primary specialty is Medical Oncology in Mission Viejo, CA.

Where does Fen Jiang practice?

Fen Jiang practices in Mission Viejo, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1831312289.

How much does Medicare pay Fen Jiang?

Fen Jiang (NPI 1831312289) received approximately $179K in total Medicare Part B payments, serving 242 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831312289

Fen JiangMD

Medical OncologyMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

715

Unique beneficiaries

—

Total services

1,729

Distinct HCPCS

Medicare payment

$125K

Peer benchmark

Total Medicare services vs. 268 Medical Oncology providers in CA — top quintile (cohort median 1,130).

PRESCRIBING · PART D · 2024

Total Rx claims

728

Beneficiaries

—

Total drug cost

$106K

Distinct drugs

Brand share

20.1%

Top prescribed drugs

Anastrozole161 claims

Dexamethasone56 claims

Ondansetron Hcl45 claims

Pantoprazole Sodium43 claims

Prochlorperazine Maleate42 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

120

By payment type

Food and Beverage$3K

Education$33

Top paying entities

Food and Beverage$3K

Education$33

REFERRAL NETWORK

Where Fen Jiang'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES WASHINGTON	256	1,762
PROVIDENCE HEALTH & SERVICES WASHINGTON	119	622
Mihai Iancu Diagnostic Radiology · Las Vegas, NV	46	188
GRAYS HARBOR COMMUNITY HOSPITAL	38	292
Jamie Mckenzie Medical Oncology · Tampa, FL	25	122
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	21	59
Mary Lane Nurse Practitioner · Lacey, WA	20	71
Kevin Roscoe Diagnostic Radiology · Olympia, WA	19	49
Joseph Stengel Diagnostic Radiology · Aberdeen, WA	18	88
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Seattle, WA	17	53
Cellnetix Labs, Llc Clinical Laboratory · Tukwila, WA	17	90
Cynthia Aller Hematology-Oncology · Lacey, WA	16	75

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