What is Allen Tham's specialty?

Allen Tham (NPI 1578715801) is a Medicare-billing provider whose primary specialty is Hand Surgery in Fullerton, CA.

Where does Allen Tham practice?

Allen Tham practices in Fullerton, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1578715801.

How much does Medicare pay Allen Tham?

Allen Tham (NPI 1578715801) received approximately $160K in total Medicare Part B payments, serving 434 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578715801

Allen ThamMD

Hand SurgeryFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

840

Unique beneficiaries

—

Total services

1,196

Distinct HCPCS

Medicare payment

$92K

Peer benchmark

Total Medicare services vs. 132 Hand Surgery providers in CA — above median (cohort median 1,713).

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 · 2024

Total received

$154

Payment records

By payment type

Food and Beverage$154

Top paying entities

Food and Beverage$154

REFERRAL NETWORK

Where Allen Tham'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JUDE HOSPITAL INC	168	833
Victor Lee Pathology · Oceanside, CA	68	218
William Hall Physician Assistant · Fullerton, CA	57	216
Danh Nguyen Diagnostic Radiology · Riverside, CA	40	120
Hao Ngo Diagnostic Radiology · Fullerton, CA	39	124
Bradley Jackson Diagnostic Radiology · Fullerton, CA	27	58
Unilab Corporation Clinical Laboratory · West Hills, CA	26	67
Arman Forouzannia Diagnostic Radiology · Lynnwood, WA	24	64
STAMBUK, EDGAR	23	66
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	22	48
UNGER, PHILLIP	17	42
NPI 1396827754	13	20

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