What is Shirley Yu's specialty?

Shirley Yu (NPI 1689872624) is a Medicare-billing provider whose primary specialty is Optometry in Palo Alto, CA.

Where does Shirley Yu practice?

Shirley Yu practices in Palo Alto, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689872624.

How much does Medicare pay Shirley Yu?

Shirley Yu (NPI 1689872624) received approximately $33K in total Medicare Part B payments, serving 277 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689872624

Shirley YuO.D.

PRACTICEPALO ALTO MEDICAL FOUNDATIONSee all providers at this practice →

OptometryPalo Alto, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

355

Unique beneficiaries

—

Total services

362

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 2,493 Optometry providers in CA — above median (cohort median 147).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Cyclosporine11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Shirley Yu'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jon Keller Pathology · Palo Alto, CA	94	226
Mary Ann Lloyd Ophthalmology · Palo Alto, CA	25	31
Eirene Wong Ophthalmology · Palo Alto, CA	17	19
Sutter Bay Medical Foundation Ambulatory Surgical Center · Palo Alto, CA	15	18
Susan Ryu Ophthalmology · Stanford, CA	14	16
Jocelyn Delcarmen Ophthalmology · Palo Alto, CA	13	13

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