What is Gary Kao's specialty?

Gary Kao (NPI 1619166931) is a Medicare-billing provider whose primary specialty is Anesthesiology in Garden Grove, CA.

Where does Gary Kao practice?

Gary Kao practices in Garden Grove, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1619166931.

How much does Medicare pay Gary Kao?

Gary Kao (NPI 1619166931) received approximately $9K in total Medicare Part B payments, serving 65 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619166931

Gary KaoMD

PRACTICED S KIM MD INCSee all providers at this practice →

AnesthesiologyGarden Grove, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 4,547 Anesthesiology providers in CA — bottom quintile (cohort median 182).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Gary Kao'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Reza Shahbaz Diagnostic Radiology · Orange, CA	46	90
Naser Rahbar Diagnostic Radiology · Anaheim, CA	44	104
PRIME HEALTHCARE HUNTINGTON BEACH, LLC	38	49
NPI 1326052259	24	49
Orange County Ophthalmology Medical Group Ambulatory Surgical Center · Garden Grove, CA	23	32
Khaled Chan Pulmonary Disease · Westminster, CA	22	56
Unilab Corporation Clinical Laboratory · West Hills, CA	15	22
Majed Chane Cardiology · Huntington Beach, CA	14	43
Joseph Nassir Internal Medicine · Huntington Beach, CA	14	35
Asaad Hakim Pulmonary Disease · Garden Grove, CA	13	29
SHARZER, MARK	13	17
Elizabeth Nghiem Infectious Disease · Fountain Valley, CA	11	18

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