What is Wei Wan's specialty?

Wei Wan (NPI 1558414193) is a Medicare-billing provider whose primary specialty is Ophthalmology in Oxnard, CA.

Where does Wei Wan practice?

Wei Wan practices in Oxnard, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1558414193.

How much does Medicare pay Wei Wan?

Wei Wan (NPI 1558414193) received approximately $403K in total Medicare Part B payments, serving 1,148 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558414193

Wei WanM.D.

OphthalmologyOxnard, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,420

Unique beneficiaries

—

Total services

2,930

Distinct HCPCS

Medicare payment

$367K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

617

Beneficiaries

—

Total drug cost

$91K

Distinct drugs

Brand share

18.3%

Top prescribed drugs

Prednisolone Acetate157 claims

Ketorolac Tromethamine152 claims

Latanoprost98 claims

Bimatoprost54 claims

Brimonidine Tartrate29 claims

QUALITY · MIPS · 2024

Final MIPS score

89.7

Quality

90.5

Cost

78.2

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.62%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$927

Payment records

By payment type

Food and Beverage$927

Top paying entities

Food and Beverage$927

REFERRAL NETWORK

Where Wei Wan'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). 41 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	396	939
DIGNITY HEALTH	177	511
Channel Islands Surgicenter Lp Ambulatory Surgical Center · Oxnard, CA	95	203
COMMUNITY MEMORIAL HEALTH SYSTEM	71	155
Robert Martin Anesthesiology · Oxnard, CA	32	104
DIGNITY HEALTH	30	50
MARQUEZ, RUTH	30	50
NPI 1437168705	27	69
Gary Smith Anesthesiology · Oxnard, CA	27	49
George Yu Pulmonary Disease · Camarillo, CA	23	55
Sherif Aboseif Urology · Oxnard, CA	22	35
David Schmidt Cardiology · Oxnard, CA	21	87

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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