Individual provider Active NPI

Stephen C Koesters, MD

  • Internal Medicine Physician
  • Columbus, OH
National Provider Identifier
1659350783
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
35.077058 Issued in OH
Practice address
895 Yard St
Columbus, OH 43212-3886
Phone
(614) 293-5123
Fax
(614) 293-4890
NPI assigned
Jan 17, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 18, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 35.077058 OH Primary
Pediatrics Physician 208000000X 35.077058 OH

Addresses

Primary practice location

895 Yard St
Columbus, OH 43212-3886

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 293-5123

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address skoesters616@direct.osumc.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20041014001039 OH Practitioner - Internal MedicinePractitioner - Pediatric Medicine 6507826492 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
Ohio State University College of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians
Osu General Internal Medicine LLCGroup PAC ID 7517103955, 270 clinicians

Practice addresses (Care Compare)

3900 Stoneridge LN
Dublin, OH 43017-2288
Phone (614) 366-5001

6100 N Hamilton Rd
Westerville, OH 43081-2062
Phone (614) 814-8100

895 Yard St
Grandview Heights, OH 43212-3886
Phone (614) 293-9780

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Osu General Internal Medicine LLC Internal Medicine CurrentSince May 1, 2013 Accepting new patients
Osu Internal Medicine, LLC Internal Medicine CurrentSince Jul 1, 2012 Accepting new patients
Osup Community Outreach LLC PastSince May 1, 2013 Accepting new patients
Nationwide Children'S Hospital Past Accepting new patients

Locations

700 Ackerman Rd
Ste 2120
Columbus, OH 43202

700 Ackerman Rd
Ste 570
Columbus, OH 43202
Phone (614) 293-2046

181 Taylor Ave
Columbus, OH 43203
Phone (614) 257-2358

410 W 10th Ave
Columbus, OH 43210
Phone (614) 293-5905

1609 Northwest Blvd
Columbus, OH 43212
Phone (614) 293-7980

460 W 10th Ave
Columbus, OH 43210
Phone (614) 293-3196

1405 S High St
Columbus, OH 43207
Phone (614) 293-3330

2050 Kenny Rd
Columbus, OH 43221
Phone (614) 293-8054

700 Ackerman Rd
Ste 385
Columbus, OH 43202

1392 S High St
Columbus, OH 43207
Phone (614) 355-9000

543 Taylor Ave
Columbus, OH 43203
Phone (614) 685-3333

3900 Stoneridge Ln
Dublin, OH 43017
Phone (614) 366-5001

895 Yard St
Grandview Heights, OH 43212
Phone (614) 293-7980

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1137456000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1659350783",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD STE 2120",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-293-5123",
            "fax_number": "614-293-4890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "895 YARD ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432123886",
            "telephone_number": "614-293-5123",
            "fax_number": "614-293-4890"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOESTERS",
        "first_name": "STEPHEN",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-17",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.077058",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OH",
            "license": "35.077058",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "skoesters616@direct.osumc.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "895 Yard St",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432123886",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.