Mark Christopher Zemanek, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

34.018274 Issued in OH

Practice address

2049 E 100TH St
Cleveland, OH 44106-2104

Phone

(216) 444-2200

NPI assigned

Apr 27, 2022

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Internal Medicine

Education

Ohio University, College of Osteopathic Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cleveland ClinicGroup PAC ID 1850203555, 6,954 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cleveland Clinic Hospital, Cleveland, OH, CCN 360180

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• The Cleveland Clinic Foundation

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1679525919

  Single Specialty

  Medicare reassignment Care Compare group NPD
• The Cleveland Clinic Foundation

  • Family Medicine Physician
  • Avon, OH
  • NPI 1184428336

  Internal Medicine

  NPD
• Lima Memorial Joint Operating Company

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732

  Single Specialty

  NPD (past)

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

• The Cleveland Clinic Foundation

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1679525919
  Care Compare affiliation

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

{
    "created_epoch": "1651017600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1154065886",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2049 E 100TH ST",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441062104",
            "telephone_number": "216-444-2200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2049 E 100TH ST",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441062104",
            "telephone_number": "216-444-2200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZEMANEK",
        "first_name": "MARK",
        "middle_name": "CHRISTOPHER",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-04-27",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "34.018274",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bret Alan Zeller
• Irene M. Zeller, O.D.
• Margaret A Zeller, RD
• Samantha L Zellhart, APRN, CNS
• John James Zelna Jr., CRNA
• Rachelle Zemelman
• Emily Zenda
• Arianne Zeng, MD
• Klarissa Amelia Zeno, LPC
• Kristin Leigh Zenz, APRN, FNP-BC

• Internal Medicine Physician in Cleveland, OH
• Providers in Cleveland, OH by specialty
• Internal Medicine Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.