What is Nathaniel Vonfischer's specialty?

Nathaniel Vonfischer (NPI 1922251024) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Columbus, OH.

Where does Nathaniel Vonfischer practice?

Nathaniel Vonfischer practices in Columbus, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1922251024.

How much does Medicare pay Nathaniel Vonfischer?

Nathaniel Vonfischer (NPI 1922251024) received approximately $4K in total Medicare Part B payments, serving 77 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1922251024

Nathaniel VonfischerM.D.

PRACTICEMOUNT CARMEL HEALTHSee all providers at this practice →

Diagnostic RadiologyColumbus, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$635

Peer benchmark

Total Medicare services vs. 1,182 Diagnostic Radiology providers in OH — bottom quintile (cohort median 2,329).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Nathaniel Vonfischer'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CITY & COUNTY OF SAN FRANCISCO	28	52
Gordon Fung Cardiology · San Francisco, CA	21	37
Dean Chou Neurosurgery · New York, NY	20	67
Praveen Mummaneni Neurosurgery · San Francisco, CA	19	39
Christopher Ames Neurosurgery · San Francisco, CA	16	42
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	16	22

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