What is Thomas Choi's specialty?

Thomas Choi (NPI 1477555985) is a Medicare-billing provider whose primary specialty is Ophthalmology in Downey, CA.

Where does Thomas Choi practice?

Thomas Choi practices in Downey, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1477555985.

How much does Medicare pay Thomas Choi?

Thomas Choi (NPI 1477555985) received approximately $205K in total Medicare Part B payments, serving 435 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1477555985

Thomas ChoiM.D.

OphthalmologyDowney, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,006

Unique beneficiaries

—

Total services

2,634

Distinct HCPCS

Medicare payment

$183K

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

1,856

Beneficiaries

—

Total drug cost

$99K

Distinct drugs

Brand share

28.7%

Top prescribed drugs

Latanoprost366 claims

Moxifloxacin Hcl339 claims

Prednisolone Acetate293 claims

Ketorolac Tromethamine221 claims

Azelastine Hcl184 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

100.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$32

Payment records

By payment type

Food and Beverage$32

Top paying entities

Food and Beverage$32

REFERRAL NETWORK

Where Thomas 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). 20 inbound referrers · 42 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	172	377
PIH HEALTH DOWNEY HOSPITAL	93	146
William Sim Internal Medicine · Downey, CA	70	215
Michael Nguyen Anesthesiology · Downey, CA	52	107
Laurel Zober Dermatology · Downey, CA	45	85
Domingo Barrientos Internal Medicine · Downey, CA	25	79
COHEN, IRA	23	34
BARRETT, IVAN	21	32
PIH HEALTH WHITTIER HOSPITAL	21	34
Renuka Patel Internal Medicine · Downey, CA	20	51
BLOSE, DOUGLAS	19	31
Michael Noel Anesthesiology · Downey, CA	18	29

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	146	322
Physicians Immunodiagnostic Laboratory, Inc. Clinical Laboratory · Burbank, CA	103	200
PIH HEALTH DOWNEY HOSPITAL	100	167
Physicians' Surgery Center Of Downey, Llc Ambulatory Surgical Center · Downey, CA	70	230
William Sim Internal Medicine · Downey, CA	60	211
Michael Nguyen Anesthesiology · Downey, CA	55	93
Alan Frischer Internal Medicine · Downey, CA	40	101
Mark Dubin Diagnostic Radiology · Downey, CA	38	54
Kaushal Tamboli Interventional Cardiology · Downey, CA	38	67
David Berger Internal Medicine · Downey, CA	37	57
Laurel Zober Dermatology · Downey, CA	37	71
Khalifa Mansour Neurology · Downey, CA	31	105

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