Marc A Antonchak, M.D.
Individual provider Active NPI Rheumatology Physician · Columbus, OH
NPI 1982893103 · NPPES record last updated Aug 26, 2025
Key facts
- NPI
- 1982893103
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Rheumatology Physician 207RR0500X
- License
- 35089230 (OH)
- Practice address
- 1211 Dublin Rd
Columbus, OH 43215-1091 - Phone
- (614) 486-5200
- Fax
- (614) 486-9665
- NPI assigned
- Oct 24, 2007
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 2
Hospital & facility affiliations 8
Medicare Care Compare profile
- Specialty
- Rheumatology
- Education
- Northeastern Ohio University College of Medicine, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Columbus Arthritis Center, Inc.
Practice addresses (Care Compare)
1211 Dublin Rd
Columbus, OH 43215-1026
Phone (614) 486-5200
Hospital & facility affiliations
- Mount Carmel East & West
- Ohio State University State Health System
- Memorial Hospital
- Dublin Methodist Hospital
- Grant Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.93 of 100
- Quality
- 86
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 60.42
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in OH
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20090902000126 | OH | Practitioner - Rheumatology |
1658426366 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 35089230 | OH | MD | Rheumatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Columbus Arthritis Center, Inc. | Current |
Accepting new patients | |
| Lima Memorial Joint Operating Company | Past | Accepting new patients |
Locations
170 Taylor Station Rd
Ste 300
Columbus, OH 43213
Phone (614) 486-5200
1211 Dublin Rd
Columbus, OH 43215
Phone (614) 485-2675
Interoperability endpoints
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rheumatology Physician | 207RR0500X | 35089230 | OH | Yes |
Addresses
Primary practice location
1211 Dublin Rd
Columbus, OH 43215-1091
Mailing address
1211 Dublin Rd
Columbus, OH 43215-1026
Phone (614) 486-5200
Other practice location 1
170 Taylor Station Rd Ste 300
Columbus, OH 43213-4491
Phone (614) 486-5200
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| PO0762429 | Other | OH | RAILROAD MEDICARE |
| 2954156 | Medicaid | OH | |
| 31-1425166 | Other | FEDERAL TAX ID | |
| 9279991 | Other | OH | GROUP MEDICARE |
Electronic endpoints
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | marc.antonchak@direct.cac.nextgenshare.com |
Other providers in Columbus, OH
- Madeline Antill
- Manoucheca Antoine
- Trevena Anton
- Styliani Antonara
- Kirstin Nicole Antonaros
- Kayleigh Rose Antonelli
- Antonia Komba
- Antonio J. del Rosario, M.D. Inc.
- Arthur L Antry
- Erika Antunes
All providers in Columbus, OH · Rheumatology Physician in Ohio
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Aug 26, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.