Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marc A Antonchak, MD

Individual provider Rheumatology Physician · NPI 1982893103

Marc A Antonchak, MD is a Rheumatology in Columbus, Ohio. Graduated from Northeastern Ohio University College of Medicine in 2004, 22 years ago. Practices with Columbus Arthritis Center, Inc, a 20-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
22
Trained at
Northeastern Ohio University College of Medicine
Licensed in
OH
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1211 Dublin Rd
Columbus, OH 43215-1091
Phone: (614) 486-5200
Fax: (614) 486-9665
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 170 Taylor Station Rd Ste 300, Columbus, OH 43213-4491 — (614) 486-5200

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 35089230 (OH)

Record details

NPI number1982893103
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 24, 2007
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025
Mailing address1211 Dublin Rd, Columbus, OH 43215-1026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Columbus Arthritis Center, Inc. — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Columbus