PROVIDER PROFILE · NPI 1023059201

Weiwen ZhengM.D.

Family PracticeSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

817

Unique beneficiaries

—

Total services

1,483

Distinct HCPCS

Medicare payment

$105K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — top quintile (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

24,845

Beneficiaries

—

Total drug cost

$1.9M

Distinct drugs

159

Brand share

14.8%

Top prescribed drugs

Atorvastatin Calcium1,998 claims

Amlodipine Besylate1,486 claims

Losartan Potassium1,480 claims

Pantoprazole Sodium1,033 claims

Omeprazole1,021 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 053133

Home health agency

CCN 050407

Hospital

REFERRAL NETWORK

Where Weiwen Zheng'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). 34 inbound referrers · 57 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KINDRED NURSING CENTERS WEST, LLC	90	227
UCSF HEALTH COMMUNITY HOSPITALS	87	226
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	43	111
Luke Scalcione Diagnostic Radiology · San Diego, CA	38	86
ANGOTTI HEALTHCARE SYSTEMS INC	31	87
David Priest Diagnostic Radiology · San Francisco, CA	30	59
Daniel Lentz Diagnostic Radiology · San Francisco, CA	29	68
John Harris Diagnostic Radiology · San Francisco, CA	22	47
Jessica Tan Diagnostic Radiology · San Francisco, CA	22	51
Wei Rao Internal Medicine · San Francisco, CA	19	100
American Medical Response West Ambulance Service Provider · San Francisco, CA	19	53
Gustin Ho Internal Medicine · San Francisco, CA	19	41

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CHINESE HOSPITAL ASSOCIATION	186	883
KINDRED NURSING CENTERS WEST, LLC	156	680
Eric Wang Diagnostic Radiology · Santa Cruz, CA	77	276
Roger Eng Diagnostic Radiology · San Francisco, CA	70	305
Jaclyn Mcgowan Hospitalist · San Francisco, CA	59	379
HARMONY HEALTHCARE LLC	55	141
ANGOTTI HEALTHCARE SYSTEMS INC	54	146
UCSF HEALTH COMMUNITY HOSPITALS	46	135
MDX-MDL HOLDINGS, LLC	38	408
David Andino-Nieves Internal Medicine · San Francisco, CA	37	77
Community Mobile Diagnostics Llc Portable X-Ray Supplier · San Leandro, CA	31	74
Protransport 1 Ambulance Service Provider · Rohnert Park, CA	31	59

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