John William Horinger Jr., M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35.126153 Issued in OH

Practice address

300 Allen Bradley Dr Ste 240
Mayfield Heights, OH 44124-6130

Phone

(216) 382-8000

Fax

(216) 297-3233

NPI assigned

Apr 16, 2012

Last updated

Jun 5, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Internal Medicine

Education

Northeastern Ohio University College of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Customcare MD LLCGroup PAC ID 5092744540, 3 clinicians

University Primary Care Practices IncGroup PAC ID 3072417534, 1,071 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uh Cleveland Medical Center Hospital, Cleveland, OH, CCN 360137
• Cleveland Clinic Hospital, Cleveland, OH, CCN 360180
• University Hospitals Ahuja Medical Center Hospital, Beachwood, OH, CCN 360359
• Lake Health Hospital, Concord, OH, CCN 360098

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/21616/brand/1/csg/1/fhir/r4
• Direct secure messaging: jhoringer36105@ehrdirect.uhhospitals.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Customcare MD LLC

  • Internal Medicine Physician
  • Mayfield Heights, OH
  • NPI 1093904476
  Medicare reassignment Care Compare group NPD
• University Primary Care Practices Inc

  • Gastroenterology Physician
  • Mentor, OH
  • NPI 1003935339
  Medicare reassignment Care Compare group NPD
• Lake Hospital System Inc

  • Family Medicine Physician
  • Middlefield, OH
  • NPI 1952339996

  Internal Medicine

  Medicare reassignment NPD
• Lake Hospital System, Inc

  dba Lake Health Urgent Care and Walk In Clinic

  • Urgent Care Clinic/Center
  • Chardon, OH
  • NPI 1689634966

  Internal Medicine

  NPD
• University Primary Care Practices Inc

  dba Uhmp

  • Internal Medicine Physician
  • Shaker Heights, OH
  • NPI 1720220098
  NPD
• University Primary Care Practices Inc

  dba Center for Orthopedics

  • Orthopaedic Surgery Physician
  • Oberlin, OH
  • NPI 1982727087
  NPD

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

• Lake Hospital System Inc

  dba Lake Health

  • General Acute Care Hospital
  • Willoughby, OH
  • NPI 1972689172
  Care Compare affiliation
• The Cleveland Clinic Foundation

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1679525919
  Care Compare affiliation
• University Hospitals Ahuja Medical Center, Inc

  dba UH Ahuja Medical Center

  • General Acute Care Hospital
  • Beachwood, OH
  • NPI 1609189604
  Care Compare affiliation
• University Hospitals Cleveland Medical Center

  dba Uhcmc

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1043397292
  Care Compare affiliation
• University Hospitals Cleveland Medical Center

  dba University Hospitals Mentor Health Center

  • Multi-Specialty Clinic/Center
  • Mentor, OH
  • NPI 1487770335

  Hospital

  Care Compare affiliation
• University Hospitals Cleveland Medical Center

  dba University Hospitals Westlake Health Center

  • Multi-Specialty Clinic/Center
  • Westlake, OH
  • NPI 1669598082

  Hospital

  Care Compare affiliation
• University Hospitals of Cleveland

  dba UH Case Medical Center

  • Clinic/Center
  • Cleveland, OH
  • NPI 1760673412

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1334534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780617600000",
    "number": "1619234689",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 ALLEN BRADLEY DR STE 240",
            "city": "MAYFIELD HEIGHTS",
            "state": "OH",
            "postal_code": "441246130",
            "telephone_number": "216-382-8000",
            "fax_number": "216-297-3233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 ALLEN BRADLEY DR STE 240",
            "city": "MAYFIELD HEIGHTS",
            "state": "OH",
            "postal_code": "441246130",
            "telephone_number": "216-382-8000",
            "fax_number": "216-297-3233"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HORINGER",
        "first_name": "JOHN",
        "middle_name": "WILLIAM",
        "name_prefix": "Mr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-04-16",
        "last_updated": "2026-06-05",
        "certification_date": "2026-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.126153",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0121829",
            "state": "OH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "john.horinger@lhpg.eclinicaldirectplus.com",
            "affiliation": "N",
            "endpointDescription": "Baseline West Direct Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "36100 Euclid Ave Ste 240",
            "city": "Willoughby",
            "state": "OH",
            "country_code": "US",
            "postal_code": "440944427",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Barkus Deon Holmes IV
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• Home Roots Health Care, Inc.
• Kathryn Honkala, PHARMD
• Marypatricia /Tricia Honn, M.A., CCC/SLP
• Michelle Eileen Horky, CNP
• Nautica Horn
• Robert W Hostoffer, DO
• Carol Elaine Hren
• John Hromulak

• Internal Medicine Physician in Mayfield Heights, OH
• Providers in Mayfield Heights, 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 Jun 5, 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.