What is Mark Janzen's specialty?

Mark Janzen (NPI 1699758961) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Tulsa, OK.

Where does Mark Janzen practice?

Mark Janzen practices in Tulsa, OK, based on the location reported in the CMS Medicare provider datasets for NPI 1699758961.

How much does Medicare pay Mark Janzen?

Mark Janzen (NPI 1699758961) received approximately $62K in total Medicare Part B payments, serving 2,128 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1699758961

Mark JanzenM.D.

Diagnostic RadiologyTulsa, OKI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,745

Unique beneficiaries

—

Total services

2,935

Distinct HCPCS

Medicare payment

$55K

Peer benchmark

Total Medicare services vs. 279 Diagnostic Radiology providers in OK — below median (cohort median 4,091).

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 · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Janzen'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). 148 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AHS CLAREMORE REGIONAL HOSPITAL, LLC.	1,474	2,974
REGIONAL MEDICAL LABORATORY, INC	809	2,087
Pafford Ems Of Oklahoma Inc Ambulance Service Provider · Claremore, OK	342	770
Shawn Grant Diagnostic Radiology · Tulsa, OK	224	487
John Perona Emergency Medicine · Tulsa, OK	220	530
Mayes Emergency Services Trust Authority Ambulance Service Provider · Pryor, OK	219	505
CAREY, EDIE	198	706
STRICKLAND, STUART	172	505
David Rasmussen Emergency Medicine · Tulsa, OK	169	385
Tara Claussen Emergency Medicine · Claremore, OK	162	399
Stephen Dobratz Interventional Cardiology · Russellville, AR	155	398
Sujan Joshi Family Practice · Broken Arrow, OK	148	541

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