What is Pauling Chang's specialty?

Pauling Chang (NPI 1194884692) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Sunnyvale, CA.

Where does Pauling Chang practice?

Pauling Chang practices in Sunnyvale, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1194884692.

How much does Medicare pay Pauling Chang?

Pauling Chang (NPI 1194884692) received approximately $474K in total Medicare Part B payments, serving 185 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1194884692

Pauling ChangMD

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Radiation OncologySunnyvale, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

665

Unique beneficiaries

—

Total services

2,063

Distinct HCPCS

Medicare payment

$440K

Peer benchmark

Total Medicare services vs. 496 Radiation Oncology providers in CA — above median (cohort median 1,716).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$133

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Tamsulosin Hcl12 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 Pauling Chang'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). 7 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Edmund Tai Hematology-Oncology · Mountain View, CA	60	1,318
Jon Keller Pathology · Palo Alto, CA	25	169
EL CAMINO HOSPITAL	22	162
Derrick Wong Hematology-Oncology · Mountain View, CA	17	152
Hanhsing Wu Hematology-Oncology · Mountain View, CA	17	267
Monique De Bruin Hematology-Oncology · Sunnyvale, CA	12	293
Maria Teng Nurse Practitioner · Stanford, CA	11	158

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Edmund Tai Hematology-Oncology · Mountain View, CA	44	965
Hanhsing Wu Hematology-Oncology · Mountain View, CA	16	325
EL CAMINO HOSPITAL	14	107
Kim-Son Nguyen Hematology-Oncology · Stanford, CA	13	252
Jon Keller Pathology · Palo Alto, CA	13	69
Derrick Wong Hematology-Oncology · Mountain View, CA	13	254
Monique De Bruin Hematology-Oncology · Sunnyvale, CA	13	292

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