John C Grecula, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

35057469 Issued in OH

Practice address

460 W 10TH Ave FL 2
Columbus, OH 43210-1240

Phone

(614) 293-8415

Fax

(614) 293-4044

NPI assigned

Sep 20, 2006

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

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

Radiation Oncology

Education

Northeastern Ohio University College of Medicine, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osu Radiation Oncology LLCGroup PAC ID 8123076023, 47 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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 Radiation Oncology LLC

  • Radiation Oncology Physician
  • Columbus, OH
  • NPI 1013015825
  Medicare reassignment Care Compare group NPD
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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
• Ohio State University Hospitals

  dba Ohio State University Dodd Rehabilitation Hospital

  • 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

  dba Ohio State University Harding Hospital

  • 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": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1871691592",
    "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": "614-293-8415",
            "fax_number": "614-293-4044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "460 W 10TH AVE FL 2",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432101240",
            "telephone_number": "614-293-8415",
            "fax_number": "614-293-4044"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRECULA",
        "first_name": "JOHN",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-20",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "OH",
            "license": "35057469",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jgrecula14341@direct.osumc.edu",
            "affiliation": "N",
            "address_1": "460 W 10th Ave Fl 2",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432101240",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Carol J Greco, M.D.
• Christian Silvio Greco, D.O.
• Jessica Marie Greco, MD
• Laurie A. Greco, PHD
• Nicholas Joseph Greco, M.D.
• Green Care Cleaning
• Green Springs Chiropractic Inc (inThrive Chiropractic)
• Dawnecia Lanette Green Williams
• Jessica Green-Burns, APRN-CNP
• Angela Margaret Green, LSW

• Radiation Oncology Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Radiation Oncology Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 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.