What is Katherine Vanloon's specialty?

Katherine Vanloon (NPI 1497910335) is a Medicare-billing provider whose primary specialty is Medical Oncology in San Francisco, CA.

Where does Katherine Vanloon practice?

Katherine Vanloon practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1497910335.

How much does Medicare pay Katherine Vanloon?

Katherine Vanloon (NPI 1497910335) received approximately $217K in total Medicare Part B payments, serving 58 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1497910335

Katherine VanloonMD MPH

Medical OncologySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

225

Distinct HCPCS

Medicare payment

$19K

Peer benchmark

Total Medicare services vs. 268 Medical Oncology providers in CA — above median (cohort median 1,130).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$57

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Mirtazapine11 claims

QUALITY · MIPS · 2024

Final MIPS score

87.0

Quality

86.8

Cost

70.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.51%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Katherine Vanloon'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 · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Liina Poder Diagnostic Radiology · San Francisco, CA	12	114

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO	54	1,604
Michael Hope Diagnostic Radiology · San Francisco, CA	14	56
Brett Elicker Diagnostic Radiology · San Francisco, CA	13	36
Charles Higgins Diagnostic Radiology · San Francisco, CA	13	60

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