David Matthew Ritzenthaler, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35.153661 Issued in OH

Practice address

2816 E 116TH St
Cleveland, OH 44120-2111

Phone

(216) 696-3876

NPI assigned

Mar 22, 2021

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

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: Pediatric Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Metrohealth SystemGroup PAC ID 8628982949, 1,150 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Metrohealth System Hospital, Cleveland, OH, CCN 360059

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dritzenthaler38354@ehrdirect.uhhospitals.org
• Direct secure messaging: dritzenthaler141945@direct.metrohealth.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.

• The Metrohealth System

  • Multi-Specialty Clinic/Center
  • Cleveland, OH
  • NPI 1053353896

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• The Metrohealth System

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1700828852
  NPD
• The Metrohealth System

  • Pharmacy
  • Cleveland, OH
  • NPI 1992529911
  NPD

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

• The Metrohealth System

  • Air Ambulance
  • Cleveland, OH
  • NPI 1609043645

  Hospital

  Care Compare affiliation
• The Metrohealth System

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1700828852
  Care Compare affiliation

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

{
    "created_epoch": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760227200000",
    "number": "1023694957",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2816 E 116TH ST",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441202111",
            "telephone_number": "216-957-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2816 E 116TH ST",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441202111",
            "telephone_number": "216-696-3876"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2500 Metrohealth Dr",
            "address_purpose": "LOCATION",
            "city": "Cleveland",
            "state": "OH",
            "postal_code": "441091900",
            "country_code": "US",
            "telephone_number": "216-778-7800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10 Severance Cir",
            "address_purpose": "LOCATION",
            "city": "Cleveland Heights",
            "state": "OH",
            "postal_code": "441181533",
            "country_code": "US",
            "telephone_number": "216-524-7377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RITZENTHALER",
        "first_name": "DAVID",
        "middle_name": "MATTHEW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-22",
        "last_updated": "2025-10-12",
        "certification_date": "2025-10-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.153661",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OH",
            "license": "35.153661",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bonnie Ritson, PA-C
• Jennifer E. Ritt, LPCC
• William Kiley Ritt, LPCC, NADD-DDS
• Kaitlin Ritter
• Sarah Ritter, PHARMD
• Jade-Noelle Ritzert
• Stacy L Ritzman, MD
• Prudence Cecilia Gordon Riva
• Hailey S Rivard, SWT
• Alejandro Rivas Campo, M.D,

• 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 Oct 12, 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.