What is Curtis Siu's specialty?

Curtis Siu (NPI 1386613081) is a Medicare-billing provider whose primary specialty is Internal Medicine in Laguna Hills, CA.

Where does Curtis Siu practice?

Curtis Siu practices in Laguna Hills, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1386613081.

How much does Medicare pay Curtis Siu?

Curtis Siu (NPI 1386613081) received approximately $145K in total Medicare Part B payments, serving 234 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1386613081

Curtis SiuMD

Internal MedicineLaguna Hills, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,777

Unique beneficiaries

—

Total services

2,345

Distinct HCPCS

Medicare payment

$142K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

6,082

Beneficiaries

—

Total drug cost

$342K

Distinct drugs

Brand share

13.6%

Top prescribed drugs

Rosuvastatin Calcium452 claims

Levothyroxine Sodium402 claims

Amlodipine Besylate366 claims

Losartan Potassium328 claims

Atorvastatin Calcium321 claims

QUALITY · MIPS · 2024

Final MIPS score

88.0

Quality

87.8

Cost

76.3

Improvement activities

40.0

Promoting interop.

95.0

Payment adjustment

0.55%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$54

Payment records

By payment type

Food and Beverage$54

Top paying entities

Food and Beverage$54

REFERRAL NETWORK

Where Curtis Siu'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). 11 inbound referrers · 18 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SADDLEBACK MEMORIAL MEDICAL CENTER	134	1,017
WAVE IMAGING LLC	48	189
Kimvir Dhillon Endocrinology · Laguna Hills, CA	23	142
Elliott Fankuchen Diagnostic Radiology · Laguna Beach, CA	16	86
Unilab Corporation Clinical Laboratory · West Hills, CA	15	74
SUTHERLAND, JAMES	13	58
MEMORIALCARE HOME HEALTH - LLC	13	76
HERREN ENTERPRISES INC	13	69
Robert Duensing Vascular Surgery · Laguna Hills, CA	12	40
Eric Travis Podiatry · Huntington Beach, CA	11	63
HARRIS HISTOLOGY SERVICES	11	24

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SADDLEBACK MEMORIAL MEDICAL CENTER	104	635
WAVE IMAGING LLC	52	283
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	40	144
Daniel Mckenzie Dermatology · Laguna Hills, CA	28	133
Kimvir Dhillon Endocrinology · Laguna Hills, CA	24	103
Brian Henry Internal Medicine · Laguna Hills, CA	19	46
BUCCIARELLI, NANCY	18	52
Unilab Corporation Clinical Laboratory · West Hills, CA	18	83
Elliott Fankuchen Diagnostic Radiology · Laguna Beach, CA	17	68
MISSION HOSPITAL REGIONAL MEDICAL CENTER	17	86
Ramin Rabbani Cardiology · Laguna Hills, CA	16	71
Lokesh Arora Diagnostic Radiology · Laguna Beach, CA	16	70

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