What is Thomas Marnejon's specialty?

Thomas Marnejon (NPI 1891898607) is a Medicare-billing provider whose primary specialty is Internal Medicine in Youngstown, OH.

Where does Thomas Marnejon practice?

Thomas Marnejon practices in Youngstown, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1891898607.

How much does Medicare pay Thomas Marnejon?

Thomas Marnejon (NPI 1891898607) received approximately $4K in total Medicare Part B payments, serving 56 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891898607

Thomas MarnejonDO

Internal MedicineYoungstown, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 3,517 Internal Medicine providers in OH — bottom quintile (cohort median 587).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$38

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Warfarin Sodium13 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 (1)

CCN 360064

Hospital

REFERRAL NETWORK

Where Thomas Marnejon'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Cynthia Kravec Internal Medicine · Youngstown, OH	43	81
Ryan Nagy Internal Medicine · Youngstown, OH	30	59
Antonio Burnett Diagnostic Radiology · Kent, OH	29	76
Cory Kutlick Diagnostic Radiology · Kent, OH	29	71
Jonah Moon Diagnostic Radiology · Kent, OH	25	69
COLLIER, BERT	24	44
SULEK, MARK	23	46
Paul Chesis Diagnostic Radiology · Kent, OH	18	51
Ana Sanchez Ferreras Internal Medicine · Fajardo, PR	15	30
Charles Wilkins Geriatric Medicine · Youngstown, OH	14	45
Sunita Rayudu Internal Medicine · Schenectady, NY	12	18

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