What is Thomas Mark's specialty?

Thomas Mark (NPI 1255577649) is a Medicare-billing provider whose primary specialty is Physician Assistant in Elgin, IL.

Where does Thomas Mark practice?

Thomas Mark practices in Elgin, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1255577649.

How much does Medicare pay Thomas Mark?

Thomas Mark (NPI 1255577649) received approximately $52K in total Medicare Part B payments, serving 360 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255577649

Thomas Mark

PRACTICEGREATER FAMILY HEALTHSee all providers at this practice →

Physician AssistantElgin, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

557

Unique beneficiaries

—

Total services

682

Distinct HCPCS

Medicare payment

$47K

Peer benchmark

Total Medicare services vs. 3,282 Physician Assistant providers in IL — top quintile (cohort median 232).

PRESCRIBING · PART D · 2024

Total Rx claims

4,894

Beneficiaries

—

Total drug cost

$258K

Distinct drugs

Brand share

21.1%

Top prescribed drugs

Atorvastatin Calcium236 claims

Levothyroxine Sodium209 claims

Gabapentin196 claims

Amlodipine Besylate194 claims

Albuterol Sulfate166 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Thomas Mark'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). 1 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK	21	49

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK	47	125
Kevin Gordon Family Practice · Joliet, IL	18	34

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