What is Marc Antonchak's specialty?

Marc Antonchak (NPI 1982893103) is a Medicare-billing provider whose primary specialty is Rheumatology in Columbus, OH.

Where does Marc Antonchak practice?

Marc Antonchak practices in Columbus, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1982893103.

How much does Medicare pay Marc Antonchak?

Marc Antonchak (NPI 1982893103) received approximately $1.5M in total Medicare Part B payments, serving 573 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1982893103

Marc AntonchakM.D.

PRACTICECOLUMBUS ARTHRITIS CENTER, INC.See all providers at this practice →

RheumatologyColumbus, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,394

Unique beneficiaries

—

Total services

72,689

Distinct HCPCS

Medicare payment

$1.2M

Peer benchmark

Total Medicare services vs. 197 Rheumatology providers in OH — top quintile (cohort median 1,087).

PRESCRIBING · PART D · 2024

Total Rx claims

2,657

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

28.9%

Top prescribed drugs

Hydroxychloroquine Sulfate432 claims

Methotrexate Sodium405 claims

Prednisone205 claims

Gabapentin133 claims

Celecoxib122 claims

QUALITY · MIPS · 2024

Final MIPS score

83.9

Quality

86.0

Cost

60.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.38%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$3K

Payment records

164

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

REFERRAL NETWORK

Where Marc Antonchak'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Pathology Laboratories, Inc. Clinical Laboratory · Toledo, OH	52	197
OHIOHEALTH CORPORATION	34	74
OHIO STATE UNIVERSITY HOSPITALS	17	35

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