What is Mary Bui's specialty?

Mary Bui (NPI 1841225224) is a Medicare-billing provider whose primary specialty is Nephrology in Upland, CA.

Where does Mary Bui practice?

Mary Bui practices in Upland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1841225224.

How much does Medicare pay Mary Bui?

Mary Bui (NPI 1841225224) received approximately $530K in total Medicare Part B payments, serving 623 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841225224

Mary Bui

PRACTICENEPHROLOGY ASSOCIATES OF UPLAND AND POMONASee all providers at this practice →

NephrologyUpland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,443

Unique beneficiaries

—

Total services

8,520

Distinct HCPCS

Medicare payment

$462K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — top quintile (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

1,976

Beneficiaries

—

Total drug cost

$220K

Distinct drugs

Brand share

18.3%

Top prescribed drugs

Amlodipine Besylate163 claims

Calcitriol138 claims

Losartan Potassium125 claims

Furosemide101 claims

Carvedilol90 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$602

Payment records

By payment type

Food and Beverage$577

Education$25

Top paying entities

Food and Beverage$577

Education$25

REFERRAL NETWORK

Where Mary 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). 52 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Chirag Vaidya Nephrology · Upland, CA	144	506
Jin Wang Nephrology · Upland, CA	120	370
NPI 1255335535	103	578
DIALYSIS CENTER OF ONTARIO LLC	69	156
John Goffigan Diagnostic Radiology · Edina, MN	55	174
POMONA VALLEY HOSPITAL MEDICAL CENTER	55	136
SPECTRA LABORATORIES INC	52	118
Unilab Corporation Clinical Laboratory · West Hills, CA	50	170
Stuart Berry Diagnostic Radiology · Rancho Cucamonga, CA	45	152
Hla Myint Maung Hwang Nephrology · Claremont, CA	45	88
AKAMINE, JAMES	43	104
CANIZALES, CARLOS	40	116

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