Mark Nasr Youssef, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35.125383 Issued in OH

Practice address

1508 John Street
Ste B
Cincinnati, OH 45214-4104

Phone

(513) 598-3900

Fax

(513) 598-3919

NPI assigned

Jun 4, 2013

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 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

Internal MedicineAlso: Hospitalist

Education

University of Louisville School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Health Physicians Cincinnati LLCGroup PAC ID 6709790892, 191 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

81.38 of 100Reported as group

Quality

66.25

Promoting interoperability

100

Improvement activities

40

Cost

71.69

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: myoussef226508@direct.bsmhealth.org

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.

• Mercy Health Physicians Cincinnati, LLC

  • Family Medicine Physician
  • Blue Ash, OH
  • NPI 1205887023

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Premier Health Specialists Inc

  • Internal Medicine Physician
  • Moraine, OH
  • NPI 1194958223
  Medicare reassignment NPD
• Mercy Health Physicians Cincinnati LLC

  • Durable Medical Equipment & Medical Supplies
  • Liberty Township, OH
  • NPI 1790281517
  NPD
• Premier Health Specialists Inc

  • Obstetrics & Gynecology Physician
  • Springboro, OH
  • NPI 1558667261
  NPD
• Premier Health Specialists Inc

  • Foot & Ankle Surgery Podiatrist
  • Dayton, OH
  • NPI 1902211287
  NPD

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

{
    "created_epoch": "1370304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1508203209",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1508 JOHN STREET",
            "address_2": "STE B",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452144104",
            "telephone_number": "513-598-3900",
            "fax_number": "513-598-3919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1508 JOHN STREET",
            "address_2": "STE B",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452144104",
            "telephone_number": "513-598-3900",
            "fax_number": "513-598-3919"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOUSSEF",
        "first_name": "MARK",
        "middle_name": "NASR",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-04",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "OH",
            "license": "35.125383",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "19488",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.125383",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3117394",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Your Life Comfort Home Care LLC
• Your Life Comfort Home Care LLC
• Your Life Comfort Home Care LLC
• Your MD, LLC
• Your Welcome House
• Youth Empowerment Initiative
• Rebecca Yoxthimer, DDS
• Robert Paul Yoxthimer, D.D.S.
• Henok Wolday Ysieni
• Qinyan Yu, PHARMD

• Internal Medicine Physician in Cincinnati, OH
• Providers in Cincinnati, 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 Sep 11, 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.