What is Mark Bonnen's specialty?

Mark Bonnen (NPI 1215962287) is a Medicare-billing provider whose primary specialty is Radiation Oncology in San Antonio, TX.

Where does Mark Bonnen practice?

Mark Bonnen practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1215962287.

How much does Medicare pay Mark Bonnen?

Mark Bonnen (NPI 1215962287) received approximately $192K in total Medicare Part B payments, serving 97 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1215962287

Mark BonnenM.D.

PRACTICEUT HEALTHSee all providers at this practice →

Radiation OncologySan Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

273

Unique beneficiaries

—

Total services

968

Distinct HCPCS

Medicare payment

$136K

Peer benchmark

Total Medicare services vs. 329 Radiation Oncology providers in TX — below median (cohort median 1,836).

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

Total received

$138

Payment records

By payment type

Food and Beverage$138

Top paying entities

Food and Beverage$138

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 670335

Hospital

REFERRAL NETWORK

Where Mark Bonnen'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). 2 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Daniel Garlitos Radiation Oncology · Lake Jackson, TX	21	48
HARRIS COUNTY HOSPITAL DISTRICT	18	335

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Daniel Garlitos Radiation Oncology · Lake Jackson, TX	51	120
THE COMMUNITY HOSPITAL OF BRAZOSPORT	51	108
HARRIS COUNTY HOSPITAL DISTRICT	17	245

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