Individual provider Active NPI

John Paul Tzagournis, M.D.

  • Gastroenterology Physician
  • Columbus, OH
National Provider Identifier
1508818998
Registry record updated Jun 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
35078868 Issued in OH
Practice address
700 E Broad St
2ND Floor
Columbus, OH 43215-3946
Phone
(614) 458-1183
Fax
(614) 458-1184
NPI assigned
May 16, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 35078868 OH Primary

Addresses

Primary practice location

700 E Broad St
2ND Floor
Columbus, OH 43215-3946

Mailing address

700 Ackerman Rd
Suite 385
Columbus, OH 43202-1559
Phone (614) 947-3700

Other practice location 1

111 S Grant Ave
Columbus, OH 43215-4701
Phone (614) 566-9550

Other identifiers 1

IdentifierTypeStateIssuer
2347375MedicaidOH

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jtzagournis21372@direct.ohiohealth.com OhioHealth Physician Group, Inc.

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
I20060323000005 OH Practitioner - Gastroenterology 1153339817 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Ohio State University College of Medicine, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ohiohealth CorporationGroup PAC ID 6305758426, 2,295 clinicians
Digestive Associates of OhioGroup PAC ID 3173651510, 5 clinicians

Practice addresses (Care Compare)

111 S Grant Ave
Columbus, OH 43215-4701

111 S Grant Ave 3Rd FL
Columbus, OH 43215-4701
Phone (614) 566-9184

393 E Town St
Columbus, OH 43215-4799

5300 N Meadows Dr
Grove City, OH 43123-2546
Phone (614) 663-3877

700 E Broad St
Columbus, OH 43215-3946
Phone (614) 458-1183

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy141
Upper gastrointestinal (GI) endoscopy for acid reflux84

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mount Carmel Healthproviders Two LLC Current Accepting new patients
Digestive Associates of Ohio Gastroenterology CurrentSince Apr 8, 2010 Accepting new patients
Ohiohealth Corporation Gastroenterology CurrentSince May 1, 2025 Accepting new patients
Mount Carmel Healthproviders Two LLC CurrentSince May 5, 2025 Accepting new patients
Ohiohealth Corporation CurrentSince May 1, 2025 Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients
Westerville Endoscopy Center LLC PastSince Jan 12, 2020 Accepting new patients

Locations

6001 E Broad St
Columbus, OH 43213
Phone (614) 224-6420

700 E Broad St
Fl 2
Columbus, OH 43215
Phone (614) 577-1077

393 E Town St
Ste 116
Columbus, OH 43215
Phone (614) 566-9108

L3339
Columbus, OH 43260

111 S Grant Ave
Columbus, OH 43215
Phone (614) 461-3232

6150 E Broad St
Columbus, OH 43213
Phone (614) 546-4400

Dept L3652
Columbus, OH 43260

5300 N Meadows Dr
Grove City, OH 43123
Phone (614) 234-4242

500 London Ave
Marysville, OH 43040
Phone (740) 420-8451

300 Polaris Pkwy
Ste 1500
Westerville, OH 43082
Phone (614) 568-1666

Organizations & group practices 7

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 5

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": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749686400000",
    "number": "1508818998",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD",
            "address_2": "SUITE 385",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-947-3700",
            "fax_number": "614-947-3771"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 E BROAD ST",
            "address_2": "2ND FLOOR",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432153946",
            "telephone_number": "614-458-1183",
            "fax_number": "614-458-1184"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "111 S Grant Ave",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432154701",
            "country_code": "US",
            "telephone_number": "614-566-9550",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TZAGOURNIS",
        "first_name": "JOHN",
        "middle_name": "PAUL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2025-06-12",
        "certification_date": "2025-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "35078868",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2347375",
            "state": "OH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jtzagournis21372@direct.ohiohealth.com",
            "affiliation": "Y",
            "affiliationName": "OhioHealth Physician Group, Inc.",
            "address_1": "111 S Grant Ave",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432154701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.