What is Nathan Block's specialty?

Nathan Block (NPI 1871571125) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Roseville, MN.

Where does Nathan Block practice?

Nathan Block practices in Roseville, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1871571125.

How much does Medicare pay Nathan Block?

Nathan Block (NPI 1871571125) received approximately $143K in total Medicare Part B payments, serving 4,894 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871571125

Nathan BlockMD

Diagnostic RadiologyRoseville, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,832

Unique beneficiaries

—

Total services

8,455

Distinct HCPCS

Medicare payment

$129K

Peer benchmark

Total Medicare services vs. 1,273 Diagnostic Radiology providers in MN — top quintile (cohort median 3,094).

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 Nathan Block'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). 120 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALLINA HEALTH SYSTEM	750	1,408
HEALTHEAST ST JOSEPHS HOSPITAL	159	291
Matthew Baldwin Diagnostic Radiology · Roseville, MN	126	247
City Of St Paul Ambulance Service Provider · Saint Paul, MN	112	193
Paul Carolan Diagnostic Radiology · Roseville, MN	99	175
HEALTHEAST ST. JOHN'S HOSPITAL	94	125
ALLINA HEALTH SYSTEM	85	160
BALDWIN AREA MEDICAL CENTER, INC.	72	207
Keith Wittenberg Diagnostic Radiology · Roseville, MN	71	141
Angela Tai Diagnostic Radiology · Roseville, MN	68	133
Allina Health System Ambulance Service Provider · Saint Paul, MN	64	99
HEALTHEAST WOODWINDS HOSPITAL	54	81

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