PROVIDER PROFILE · NPI 1104966373

David LiangM.D., PH.D.

CardiologyStanford, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

178

Unique beneficiaries

—

Total services

199

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — bottom quintile (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

2,383

Beneficiaries

—

Total drug cost

$606K

Distinct drugs

Brand share

19.4%

Top prescribed drugs

Apixaban149 claims

Atorvastatin Calcium148 claims

Metoprolol Succinate124 claims

Carvedilol121 claims

Amlodipine Besylate114 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$70

Payment records

By payment type

Food and Beverage$70

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where David Liang'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). 49 inbound referrers · 111 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ann Leung Diagnostic Radiology · Stanford, CA	82	160
Joshua Spin Cardiology · Stanford, CA	79	176
Ingela Schnittger Cardiology · Stanford, CA	57	130
Hans-Christoph Becker Diagnostic Radiology · Palo Alto, CA	54	150
Sean Wu Internal Medicine · Stanford, CA	45	168
Paul Wang Cardiology · Stanford, CA	44	130
Shirley Park Clinical Cardiac Electrophysiology · Stanford, CA	43	112
Andreas Loening Diagnostic Radiology · Stanford, CA	42	77
Karen Friday Cardiology · Stanford, CA	42	76
Jon Keller Pathology · Palo Alto, CA	39	166
Michael Fowler Internal Medicine · Stanford, CA	36	114
Linda Morimoto Diagnostic Radiology · Stanford, CA	35	60

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
STANFORD HEALTH CARE	786	3,086
Haiwei Guo Diagnostic Radiology · Stanford, CA	122	348
Paul Zei Clinical Cardiac Electrophysiology · Boston, MA	112	303
Francis Koch Cardiology · Stanford, CA	107	238
Ingela Schnittger Cardiology · Stanford, CA	95	190
Joshua Spin Cardiology · Stanford, CA	85	185
Ann Leung Diagnostic Radiology · Stanford, CA	70	134
Ian Rogers Cardiology · Stanford, CA	69	141
Martina Speight Nurse Practitioner · Stanford, CA	69	121
Karen Friday Cardiology · Stanford, CA	68	135
John Schroeder Internal Medicine · Stanford, CA	65	154
Shirley Park Clinical Cardiac Electrophysiology · Stanford, CA	61	187

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