PROVIDER PROFILE · NPI 1578619052

Nancy Chiao-Castle

PRACTICESAN MATEO COUNTYSee all providers at this practice →

Nurse PractitionerSan Mateo, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

358

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

7.8%

Top prescribed drugs

Amlodipine Besylate51 claims

Atorvastatin Calcium43 claims

Diclofenac Sodium40 claims

Losartan Potassium33 claims

Albuterol Sulfate28 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.

REFERRAL NETWORK

Where Nancy Chiao-Castle'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COUNTY OF SAN MATEO	228	1,822
Mark Pederson Diagnostic Radiology · Burlingame, CA	31	105
Aparna Bhagavat Cardiology · San Mateo, CA	19	59

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