PROVIDER PROFILE · NPI 1215378930

Tiffany NgaiM.D.

PRACTICEAYNNA YEE M.D. INCSee all providers at this practice →

Infectious DiseaseSanta Rosa, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

525

Unique beneficiaries

—

Total services

1,225

Distinct HCPCS

Medicare payment

$116K

Peer benchmark

Total Medicare services vs. 583 Infectious Disease providers in CA — above median (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

303

Beneficiaries

—

Total drug cost

$54K

Distinct drugs

Brand share

27.1%

Top prescribed drugs

Cephalexin66 claims

Amoxicillin/Potassium Clav33 claims

Ertapenem Sodium29 claims

Daptomycin24 claims

Cefepime Hcl23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050136

Hospital

CCN 050174

Hospital

REFERRAL NETWORK

Where Tiffany Ngai'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). 0 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
COUNTY OF SAN JOAQUIN	25	27
COUNTY OF SAN JOAQUIN	12	25

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