What is Samuel Choi's specialty?

Samuel Choi (NPI 1932135746) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Walnut Creek, CA.

Where does Samuel Choi practice?

Samuel Choi practices in Walnut Creek, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1932135746.

How much does Medicare pay Samuel Choi?

Samuel Choi (NPI 1932135746) received approximately $248K in total Medicare Part B payments, serving 3,317 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932135746

Samuel ChoiM.D.

Diagnostic RadiologyWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,184

Unique beneficiaries

—

Total services

6,980

Distinct HCPCS

Medicare payment

$207K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.7

Quality

84.1

Cost

74.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$31

Payment records

By payment type

Food and Beverage$31

Top paying entities

Food and Beverage$31

REFERRAL NETWORK

Where Samuel Choi'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). 179 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
David Howard Diagnostic Radiology · Walnut Creek, CA	365	753
Gurunath Rajapuram Cardiology · Antioch, CA	331	807
Vincent Wong Diagnostic Radiology · Walnut Creek, CA	306	588
RAY, SANJAY	231	368
Keith Tao Diagnostic Radiology · Walnut Creek, CA	204	376
CONTRA COSTA COUNTY	179	437
Patricia Anne Haro Hospitalist · Antioch, CA	171	546
Derek Johnson Family Practice · Brentwood, CA	163	345
Henry Gong Cardiology · Pittsburg, CA	161	335
Prathibha Venkataswamy Internal Medicine · Antioch, CA	152	421
Elizabeth Dei Rossi Emergency Medicine · New York, NY	142	306
Anthony Carandang Hospitalist · Antioch, CA	140	511

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