What is John Fan's specialty?

John Fan (NPI 1114129954) is a Medicare-billing provider whose primary specialty is Internal Medicine in Anaheim, CA.

Where does John Fan practice?

John Fan practices in Anaheim, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1114129954.

How much does Medicare pay John Fan?

John Fan (NPI 1114129954) received approximately $3K in total Medicare Part B payments, serving 45 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1114129954

John FanMD

Internal MedicineAnaheim, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$685

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — bottom quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

3,180

Beneficiaries

—

Total drug cost

$355K

Distinct drugs

Brand share

25.7%

Top prescribed drugs

Atorvastatin Calcium386 claims

Dabigatran Etexilate Mesylate307 claims

Losartan Potassium271 claims

Bisoprolol Fumarate264 claims

Carvedilol188 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 (1)

CCN 050609

Hospital

REFERRAL NETWORK

Where John Fan'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). 1 inbound referrers · 1 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	13	20

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	27	46

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