What is Tsung Chang Chen's specialty?

Tsung Chang Chen (NPI 1669546651) is a Medicare-billing provider whose primary specialty is Internal Medicine in Cupertino, CA.

Where does Tsung Chang Chen practice?

Tsung Chang Chen practices in Cupertino, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1669546651.

How much does Medicare pay Tsung Chang Chen?

Tsung Chang Chen (NPI 1669546651) received approximately $71K in total Medicare Part B payments, serving 205 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669546651

Tsung Chang ChenM.D.

Internal MedicineCupertino, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

262

Unique beneficiaries

—

Total services

813

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

3,645

Beneficiaries

—

Total drug cost

$269K

Distinct drugs

Brand share

18.6%

Top prescribed drugs

Levothyroxine Sodium329 claims

Amlodipine Besylate259 claims

Atorvastatin Calcium253 claims

Metformin Hcl164 claims

Metoprolol Succinate126 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$630

Payment records

By payment type

Food and Beverage$613

Education$17

Top paying entities

Food and Beverage$613

Education$17

REFERRAL NETWORK

Where Tsung Chang Chen'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ODYSSEY HEALTHCARE OPERATING A LP	172	750
NPI 1447682380	135	970
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	104	233
Nobel Lin Physician Assistant · Gardena, CA	82	182
Community Mobile Diagnostics Llc Portable X-Ray Supplier · San Leandro, CA	67	375
BAY AREA MOBILE, INC	56	259
Alexander Lee Ophthalmology · San Jose, CA	53	105
Betty Lee-Villanueva Optometry · Glendale, CA	52	127
COUNTY OF SANTA CLARA	38	125
Eugene Wake Optometry · Sacramento, CA	33	72
GOOD SAMARITAN HOSPITAL, L.P.	28	66
GRIFFIN, CHARLES	25	80

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