What is Mark Mahan's specialty?

Mark Mahan (NPI 1609863778) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Orlando, FL.

Where does Mark Mahan practice?

Mark Mahan practices in Orlando, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1609863778.

How much does Medicare pay Mark Mahan?

Mark Mahan (NPI 1609863778) received approximately $46K in total Medicare Part B payments, serving 1,037 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609863778

Mark MahanMD

Diagnostic RadiologyOrlando, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,250

Unique beneficiaries

—

Total services

1,271

Distinct HCPCS

Medicare payment

$36K

Peer benchmark

Total Medicare services vs. 2,105 Diagnostic Radiology providers in FL — below median (cohort median 3,397).

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 Mark Mahan'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). 290 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ORLANDO HEALTH CENTRAL, INC.	1,954	3,840
ORLANDO HEALTH, INC.	952	1,994
NPI 1386690071	415	1,248
Scott Schoedler Diagnostic Radiology · Orlando, FL	286	579
Parimal Maniar Cardiology · Ocoee, FL	280	755
Orange County Board Of County Commissioners Ambulance Service Provider · Winter Park, FL	241	387
SOUTH LAKE HOSPITAL, INC.	230	398
Neil Baron Diagnostic Radiology · Orlando, FL	211	410
Edem Chen Diagnostic Radiology · Orlando, FL	178	287
Wei-Shen Chin Diagnostic Radiology · Orlando, FL	164	324
HUDAK, ROBERT	163	302
ADVENTIST HEALTH SYSTEM-SUNBELT, INC	155	308

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