What is Nancy Han's specialty?

Nancy Han (NPI 1609055300) is a Medicare-billing provider whose primary specialty is Gastroenterology in Fountain Valley, CA.

Where does Nancy Han practice?

Nancy Han practices in Fountain Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1609055300.

How much does Medicare pay Nancy Han?

Nancy Han (NPI 1609055300) received approximately $36K in total Medicare Part B payments, serving 131 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609055300

Nancy HanM.D.

GastroenterologyFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

234

Unique beneficiaries

—

Total services

256

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — below median (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

691

Beneficiaries

—

Total drug cost

$44K

Distinct drugs

Brand share

52.5%

Top prescribed drugs

Sodium, Potassium,mag Sulfates294 claims

Pantoprazole Sodium161 claims

Omeprazole70 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl47 claims

Famotidine27 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$405

Payment records

By payment type

Food and Beverage$405

Top paying entities

Food and Beverage$405

REFERRAL NETWORK

Where Nancy Han'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ORANGE COAST MEMORIAL MEDICAL CENTER	37	112
Healthcare Partners Asc-Hb, Llc Ambulatory Surgical Center · Huntington Beach, CA	25	41

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events