What is David Wei's specialty?

David Wei (NPI 1437354081) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Walnut Creek, CA.

Where does David Wei practice?

David Wei practices in Walnut Creek, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1437354081.

How much does Medicare pay David Wei?

David Wei (NPI 1437354081) received approximately $150K in total Medicare Part B payments, serving 790 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1437354081

David WeiM.D.

PRACTICEJOHN MUIR HEALTHSee all providers at this practice →

Emergency MedicineWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,064

Unique beneficiaries

—

Total services

1,559

Distinct HCPCS

Medicare payment

$136K

Peer benchmark

Total Medicare services vs. 5,287 Emergency Medicine providers in CA — top quintile (cohort median 355).

PRESCRIBING · PART D · 2024

Total Rx claims

104

Beneficiaries

—

Total drug cost

$48K

Distinct drugs

Brand share

42.3%

Top prescribed drugs

Cephalexin35 claims

Hydrocodone/Acetaminophen20 claims

Doxycycline Hyclate14 claims

Amoxicillin/Potassium Clav12 claims

Collagenase Clostridium Hist.12 claims

QUALITY · MIPS · 2024

Final MIPS score

96.7

Quality

90.0

Cost

78.4

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.91%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$83

Payment records

By payment type

Food and Beverage$83

Top paying entities

Food and Beverage$83

REFERRAL NETWORK

Where David Wei'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). 39 inbound referrers · 116 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BORST, RICHARD	57	92
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	50	83
Ramiro Garcia Hospitalist · Hayward, CA	44	133
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	42	136
Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA	35	56
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	34	51
Amy Lai Diagnostic Radiology · New York, NY	33	43
Vincent Wong Diagnostic Radiology · Walnut Creek, CA	27	47
DAVIS, SALLY	26	37
Susan Cha Diagnostic Radiology · Walnut Creek, CA	26	39
Eric Chen Interventional Radiology · Los Angeles, CA	23	41
Tan Nguyen Emergency Medicine · Hayward, CA	23	70

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
JOHN MUIR HEALTH	410	863
HAYWARD SISTERS HOSPITAL	247	689
American Medical Response West Ambulance Service Provider · Concord, CA	104	190
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	103	268
PARAMEDICS PLUS, LLC	90	292
William Tanner Diagnostic Radiology · Walnut Creek, CA	65	117
William Hoddick Diagnostic Radiology · Walnut Creek, CA	61	105
George Chu Diagnostic Radiology · Walnut Creek, CA	56	93
SIGEL, RICHARD	54	83
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	52	108
MANSFIELD, HUMPHREY	52	89
BORST, RICHARD	44	84

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