Robert Marker

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

34.018363 Issued in OH

Practice address

111 S Grant Ave
Columbus, OH 43215-4701

Phone

(614) 566-8883

Fax

(614) 566-8149

NPI assigned

Mar 21, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

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

Specialty

Pulmonary Disease

Education

Des Moines University of Osteopathic Medicine and Health Sciences, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Interoperability endpoints

• Direct secure messaging: rmarker1297916@direct.ohiohealth.com

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.

• Ohiohealth Corporation

  • Family Medicine Physician
  • Columbus, OH
  • NPI 1578545273
  Medicare reassignment

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

{
    "created_epoch": "1647820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778716800000",
    "number": "1477202174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7527",
            "city": "DUBLIN",
            "state": "OH",
            "postal_code": "430170727",
            "telephone_number": "614-544-6366",
            "fax_number": "614-544-6350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 S GRANT AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432154701",
            "telephone_number": "614-566-8883",
            "fax_number": "614-566-8149"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "104 N Murray Hill Rd",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432281524",
            "country_code": "US",
            "telephone_number": "614-878-6413",
            "fax_number": "614-878-1159",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARKER",
        "first_name": "ROBERT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-21",
        "last_updated": "2026-05-14",
        "certification_date": "2026-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "OH",
            "license": "34.018363",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rmarker1297916@direct.ohiohealth.com",
            "affiliation": "Y",
            "affiliationName": "OhioHealth Physician Group, Inc.",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "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": []
}

• Shelby Marie Mark, QMHS 3YR CMS
• Megan Markakis, LPCC-S
• Charlene Ruth Markarian, PCC
• Taylor Markell, DO
• Alison Laine Marker, MSW, LISW
• Jacob Markey, PHARMD
• Leigh Markham, LSW
• Daniel Markiewitz, PHARMD
• Natalie E. Markis, R.N., B.S.N.
• Mariah Nicole Markley, CNP

• Hospitalist Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Hospitalist Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.