Sefenesh G Mamai, APRN-CNP

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

APRN.CNP.023038 Issued in OH

Practice address

410 W 10TH Ave
Columbus, OH 43210-1240

Phone

(614) 293-7677

Fax

(614) 293-5614

NPI assigned

Jun 20, 2018

Sex

Female

Sole proprietor

No

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians

Columbus Nephrology, Inc.Group PAC ID 5092709915, 12 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohio State University State Health System Hospital, Columbus, OH, CCN 360085
• James Cancer Hospital & Solove Research Institute Hospital, Columbus, OH, CCN 360242
• Mount Carmel East & West Hospital, Columbus, OH, CCN 360035

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: smamai29620@direct.acumenmd.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Columbus Nephrology, Inc.

  • Nephrology Physician
  • Grove City, OH
  • NPI 1396835757
  Medicare reassignment Care Compare group NPD
• Osu Internal Medicine, LLC

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1740231448
  Medicare reassignment Care Compare group NPD

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

• Arthur G James Cancer Hospital and Research Institute

  • Special Hospital
  • Columbus, OH
  • NPI 1124127683
  Care Compare affiliation
• Mount Carmel Health System

  • General Acute Care Hospital
  • Grove City, OH
  • NPI 1710067376
  Care Compare affiliation
• Mount Carmel Health System

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1982784534
  Care Compare affiliation
• Ohio State University Hospitals

  • Rehabilitation Hospital Unit
  • Columbus, OH
  • NPI 1184723637
  Care Compare affiliation
• Ohio State University Hospitals

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1447359997
  Care Compare affiliation
• Ohio State University Hospitals

  • Psychiatric Hospital Unit
  • Columbus, OH
  • NPI 1790876183
  Care Compare affiliation

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

{
    "created_epoch": "1529452800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1932693264",
    "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": "614-293-7677",
            "fax_number": "614-293-5614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "410 W 10TH AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432101240",
            "telephone_number": "614-293-7677",
            "fax_number": "614-293-5614"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5775 N Meadows Dr Ste D",
            "address_purpose": "LOCATION",
            "city": "Grove City",
            "state": "OH",
            "postal_code": "431237300",
            "country_code": "US",
            "telephone_number": "614-224-4200",
            "fax_number": "614-224-4207",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "85 McNaughten Rd Ste 310",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432135111",
            "country_code": "US",
            "telephone_number": "614-224-4200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAMAI",
        "first_name": "SEFENESH",
        "middle_name": "G",
        "credential": "APRN-CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-20",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "OH",
            "license": "APRN.CNP.023038",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madeline Malueg, DDS
• Joshua Maluyao
• Carlos D. Malvestutto, M.D.
• Elizabeth Ann Malys, DDS
• Dmitry Malyshka
• James Christopher Mamaril-Davis, MD
• Leena Mamilly, MD
• Daniel T Mamo
• Dawit Petros Mamo
• Theodros Mamo, MD, PHD

• Acute Care Nurse Practitioner in Columbus, OH
• Providers in Columbus, OH by specialty
• Acute Care Nurse Practitioner in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 15, 2025; 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.