What is Karen Shih's specialty?

Karen Shih (NPI 1750565982) is a Medicare-billing provider whose primary specialty is Ophthalmology in Sunnyvale, CA.

Where does Karen Shih practice?

Karen Shih practices in Sunnyvale, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1750565982.

How much does Medicare pay Karen Shih?

Karen Shih (NPI 1750565982) received approximately $285K in total Medicare Part B payments, serving 591 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1750565982

Karen ShihM.D.

OphthalmologySunnyvale, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,786

Unique beneficiaries

—

Total services

2,753

Distinct HCPCS

Medicare payment

$272K

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

2,737

Beneficiaries

—

Total drug cost

$202K

Distinct drugs

Brand share

20.0%

Top prescribed drugs

Latanoprost460 claims

Diclofenac Sodium391 claims

Prednisolone Acetate388 claims

Brimonidine Tartrate333 claims

Ofloxacin264 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$41

Payment records

By payment type

Food and Beverage$41

Top paying entities

Food and Beverage$41

REFERRAL NETWORK

Where Karen Shih'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Edmund Tai Hematology-Oncology · Mountain View, CA	192	692
EL CAMINO HOSPITAL	42	58
Jon Keller Pathology · Palo Alto, CA	17	44
Deepu Nair Cardiology · Mountain View, CA	15	29
Jean Wong Internal Medicine · Mountain View, CA	13	29
LAMM, TARYN	12	18
Bryan Chan Diagnostic Radiology · Mountain View, CA	12	15
Christopher Chin Family Practice · Mountain View, CA	11	20
Tanya Ghosh Ophthalmology · Sunnyvale, CA	11	25

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