What is Nan Wang's specialty?

Nan Wang (NPI 1023040839) is a Medicare-billing provider whose primary specialty is Cardiac Surgery in Upland, CA.

Where does Nan Wang practice?

Nan Wang practices in Upland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1023040839.

How much does Medicare pay Nan Wang?

Nan Wang (NPI 1023040839) received approximately $75K in total Medicare Part B payments, serving 64 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1023040839

Nan WangM.D.

Cardiac SurgeryUpland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

116

Unique beneficiaries

—

Total services

125

Distinct HCPCS

Medicare payment

$43K

Peer benchmark

Total Medicare services vs. 128 Cardiac Surgery providers in CA — below median (cohort median 294).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$142

Payment records

By payment type

Food and Beverage$142

Top paying entities

Food and Beverage$142

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050099

Hospital

CCN 050775

Hospital

REFERRAL NETWORK

Where Nan Wang'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). 9 inbound referrers · 20 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AKAMINE, JAMES	19	59
John Goffigan Diagnostic Radiology · Edina, MN	19	75
CANIZALES, CARLOS	19	124
Stuart Berry Diagnostic Radiology · Rancho Cucamonga, CA	13	64
Fadi Tahrawi Anesthesiology · Cleveland, OH	12	55
TA, HAN	12	21
PALENCHAR, BARTHOLOMEW	11	49
Byung Ahn Cardiology · Upland, CA	11	34
Unilab Corporation Clinical Laboratory · West Hills, CA	11	63

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SAN ANTONIO REGIONAL HOSPITAL	78	296
John Goffigan Diagnostic Radiology · Edina, MN	26	88
CANIZALES, CARLOS	22	116
ST. MARY MEDICAL CENTER	21	34
Stuart Berry Diagnostic Radiology · Rancho Cucamonga, CA	21	67
Nabil Koudsi General Surgery · Upland, CA	19	60
AKAMINE, JAMES	19	107
David Dang Diagnostic Radiology · Upland, CA	18	88
SCHULTZ, CARL	17	50
Peter Yoo Diagnostic Radiology · Upland, CA	16	71
Suneet Pramanik Diagnostic Radiology · Los Angeles, CA	16	82
TA, HAN	14	56

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