John Ryu, MD

Primary specialty

Diagnostic Neuroimaging (Radiology) PhysicianTaxonomy code 2085D0003X

License

35.127332 Issued in OH

Practice address

395 W 12TH Ave
Columbus, OH 43210-1267

Phone

(614) 293-8315

Fax

(614) 293-6935

NPI assigned

Apr 7, 2014

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in PA, FL, OH, IL4 enrollments

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 4

Specialty

Diagnostic Radiology

Education

Ohio State University College of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Proscan NCH Imaging LLC 104 clinicians

Osu Radiology LLC 180 clinicians

Proscan Radiology, LLC 59 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohio State University State Health System Hospital, Columbus, OH, CCN 360085
• Naples Community Hospital Hospital, Naples, FL, CCN 100018
• James Cancer Hospital & Solove Research Institute Hospital, Columbus, OH, CCN 360242

Merit-based Incentive Payment System (MIPS)

Final score

19.04 of 100Reported as group

Quality

4.75

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

15 of 100Reported as group

Quality

0

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (19 of 21)

Locations

Networks

• Freedom Health HMO Network
• Optimum HealthCare HMO Network

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.

• Osu Radiology LLC

  • Diagnostic Radiology Physician
  • Columbus, OH
  • NPI 1912956814

  Diagnostic Radiology, IL

  Medicare reassignment Care Compare group NPD
• Proscan Radiology, LLC

  • Diagnostic Radiology Physician
  • Cincinnati, OH
  • NPI 1588654610

  Diagnostic Radiology, OH

  Medicare reassignment Care Compare group NPD
• Proscan NCH Imaging LLC

  • Diagnostic Radiology Physician
  • Naples, FL
  • NPI 1003406711

  Diagnostic Radiology, FL

  Medicare reassignment Care Compare group NPD
• CT at Midtown

  • Diagnostic Radiology Physician
  • Cincinnati, OH
  • NPI 1508856667

  Diagnostic Radiology, OH

  Medicare reassignment NPD
• Nchmd Inc

  • Hematology & Oncology Physician
  • Naples, FL
  • NPI 1831120195

  FL

  Medicare reassignment NPD
• University of Penn-Medical Group

  • Gynecologic Oncology Physician
  • Philadelphia, PA
  • NPI 1235527342

  PA

  Medicare reassignment NPD
• Proscan Imaging Gahanna, LLC

  • Diagnostic Radiology Physician
  • Gahanna, OH
  • NPI 1912997032

  Diagnostic Radiology

  NPD
• Proscan Imaging of Troy, LLC

  • Diagnostic Radiology Physician
  • Vandalia, OH
  • NPI 1073571238

  Diagnostic Radiology

  NPD
• Proscan Open MRI North, LTD.

  • Diagnostic Radiology Physician
  • Springdale, OH
  • NPI 1225028392

  Diagnostic Radiology

  NPD
• Proscan Tylersville, LLC

  • Diagnostic Radiology Physician
  • Liberty Township, OH
  • NPI 1972593093

  Diagnostic Radiology

  NPD
• Western Hills Open MRI, LLC

  • Diagnostic Radiology Physician
  • Cincinnati, OH
  • NPI 1033109129

  Diagnostic Radiology

  NPD
• Maximum Resolution Imaging LLC

  • Radiology Clinic/Center
  • Richmond, TX
  • NPI 1003525528

  Diagnostic Radiology

  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

  Hospital

  Care Compare affiliation
• Ohio State University Hospitals

  • Rehabilitation Hospital Unit
  • Columbus, OH
  • NPI 1184723637

  Hospital

  Care Compare affiliation
• Ohio State University Hospitals

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1447359997

  Hospital

  Care Compare affiliation
• Ohio State University Hospitals

  • Psychiatric Hospital Unit
  • Columbus, OH
  • NPI 1790876183

  Hospital

  Care Compare affiliation
• Naples Community Hospital Inc

  • General Acute Care Hospital
  • Naples, FL
  • NPI 1720085137

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1396828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769212800000",
    "number": "1154749174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "395 W 12TH AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432101267"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "395 W 12TH AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432101267",
            "telephone_number": "614-293-8315",
            "fax_number": "614-293-6935"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYU",
        "first_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-07",
        "last_updated": "2026-01-24",
        "certification_date": "2026-01-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085D0003X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Neuroimaging",
            "state": "OH",
            "license": "35.127332",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "OH",
            "license": "35.127332",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cherie Ryoo, MD
• Da Yeon Ryoo
• David Ryskamp, MD
• Grace Y Ryu, MD
• Jasmine N. Ryu, DO
• Robert Chulkyu Ryu, M.D.
• Laura Ryzenman, LPC
• Ryzing Starr Youth Initiative, LLC
• Ryzing Starr Youth Initiative, LLC
• Anna Mae Rzepecki, OTL

• All providers in Columbus, OH
• Diagnostic Neuroimaging (Radiology) Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 24, 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.