What is Mark Hermann's specialty?

Mark Hermann (NPI 1639148810) is a Medicare-billing provider whose primary specialty is Medical Oncology in Dubuque, IA.

Where does Mark Hermann practice?

Mark Hermann practices in Dubuque, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1639148810.

How much does Medicare pay Mark Hermann?

Mark Hermann (NPI 1639148810) received approximately $1.7M in total Medicare Part B payments, serving 319 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639148810

Mark HermannM.D.

Medical OncologyDubuque, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,234

Unique beneficiaries

—

Total services

5,670

Distinct HCPCS

Medicare payment

$99K

Peer benchmark

Total Medicare services vs. 34 Medical Oncology providers in IA — top quintile (cohort median 1,109).

PRESCRIBING · PART D · 2024

Total Rx claims

1,978

Beneficiaries

—

Total drug cost

$4.0M

Distinct drugs

Brand share

26.4%

Top prescribed drugs

Anastrozole422 claims

Dexamethasone139 claims

Tamoxifen Citrate130 claims

Prednisone122 claims

Hydrocodone/Acetaminophen113 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Education$85

Top paying entities

Food and Beverage$1K

Education$85

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospice

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Mark Hermann'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Warren Spencer Diagnostic Radiology · Cedar Rapids, IA	59	302
Kirby Clark Diagnostic Radiology · Waterloo, IA	58	261
Alex Horchak Urology · Dubuque, IA	45	341
STATE UNIVERSITY OF IOWA	43	322
SINGSANK, MARK	23	108
Hillard Salas Internal Medicine · Dubuque, IA	23	255
Kristin Nelson Internal Medicine · Dubuque, IA	23	138
Andrew Vanderheyden Pathology · Dubuque, IA	22	83
John Whalen Nephrology · Dubuque, IA	21	329
Jacob Wagner General Surgery · Dubuque, IA	19	106
Alexander Johnson Hospitalist · Dubuque, IA	19	82
SHAW, KEITH	18	75

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