What is Tam Bui's specialty?

Tam Bui (NPI 1215937859) is a Medicare-billing provider whose primary specialty is Otolaryngology in Fountain Valley, CA.

Where does Tam Bui practice?

Tam Bui practices in Fountain Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1215937859.

How much does Medicare pay Tam Bui?

Tam Bui (NPI 1215937859) received approximately $99K in total Medicare Part B payments, serving 654 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1215937859

Tam BuiM.D.

OtolaryngologyFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,039

Unique beneficiaries

—

Total services

1,320

Distinct HCPCS

Medicare payment

$90K

Peer benchmark

Total Medicare services vs. 875 Otolaryngology providers in CA — above median (cohort median 923).

PRESCRIBING · PART D · 2024

Total Rx claims

717

Beneficiaries

—

Total drug cost

$34K

Distinct drugs

Brand share

46.4%

Top prescribed drugs

Neomycin/Polymyxin B/Hydrocort140 claims

Fluticasone Propionate112 claims

Amoxicillin86 claims

Ipratropium Bromide65 claims

Fluocinolone Acetonide Oil55 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Tam Bui'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	15	26
Kenneth Lynch Diagnostic Radiology · Surfside, CA	11	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF CALIFORNIA IRVINE	28	47
Unilab Corporation Clinical Laboratory · West Hills, CA	16	29
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	14	18
Thanh Phung Diagnostic Radiology · Tustin, CA	12	13
CASSIDY, DAVID	11	21

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