What is Mark Simaga's specialty?

Mark Simaga (NPI 1598818270) is a Medicare-billing provider whose primary specialty is Neurology in Hobart, IN.

Where does Mark Simaga practice?

Mark Simaga practices in Hobart, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1598818270.

How much does Medicare pay Mark Simaga?

Mark Simaga (NPI 1598818270) received approximately $108K in total Medicare Part B payments, serving 424 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598818270

Mark SimagaMD

NeurologyHobart, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

683

Unique beneficiaries

—

Total services

1,380

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

Total Medicare services vs. 276 Neurology providers in IN — above median (cohort median 845).

PRESCRIBING · PART D · 2024

Total Rx claims

4,241

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

29.2%

Top prescribed drugs

Gabapentin276 claims

Hydrocodone/Acetaminophen243 claims

Clopidogrel Bisulfate184 claims

Levetiracetam164 claims

Ropinirole Hcl162 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

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Mark Simaga'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). 55 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Gustaitis Diagnostic Radiology · Munster, IN	103	222
JEHA, MIKHAIL	83	176
Devang Doshi Diagnostic Radiology · Munster, IN	79	169
Feng Zhang Diagnostic Radiology · Munster, IN	77	199
Edward Bok Diagnostic Radiology · Saint Louis, MO	75	199
Charisa Spoo Diagnostic Radiology · Oak Lawn, IL	67	244
Eric Schulte Cardiology · Merrillville, IN	57	178
Shawn Kenney Diagnostic Radiology · Munster, IN	54	119
Ayis Pyrros Diagnostic Radiology · Tinley Park, IL	51	103
City Of Hobart Ambulance Service Provider · Hobart, IN	47	68
Neil Shaffer Emergency Medicine · Hobart, IN	42	82
PORTER HOSPITAL LLC	40	117

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