Gary M. Onady, MD, PHD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35.057057 Issued in OH

Practice address

715 W State St
Trenton, OH 45067-9220

Phone

(513) 988-6067

Fax

(513) 988-6070

NPI assigned

May 27, 2006

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

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: Pediatric Medicine

Education

Wright State University Boonshoft School of Medicine, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Cincinnati Physicians Company LLCGroup PAC ID 2264344480, 1,474 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Cincinnati Medical Center, LLC Hospital, Cincinnati, OH, CCN 360003
• West Chester Hospital Hospital, West Chester, OH, CCN 360354

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gonady185147@direct.ketteringhealth.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.

• University of Cincinnati Physicians Company, LLC

  • Family Medicine Physician
  • Cincinnati, OH
  • NPI 1801840434

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Alliance Physicians Inc

  • Family Medicine Physician
  • Kettering, OH
  • NPI 1437125572

  Internal Medicine

  Medicare reassignment NPD
• Citran Xray LLC

  • Radiology Clinic/Center
  • Fairborn, OH
  • NPI 1235671710
  NPD (past)
• Lima Memorial Joint Operating Company

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

  • Pediatrics Physician
  • Dayton, OH
  • NPI 1861445116

  Internal Medicine

  NPD (past)
• Wright State Physicians Inc

  • Ambulatory Surgical Clinic/Center
  • Dayton, OH
  • NPI 1649447582
  NPD (past)

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

• University of Cincinnati Medical Center, LLC

  • General Acute Care Hospital
  • Cincinnati, OH
  • NPI 1033154026
  Care Compare affiliation
• University of Cincinnati Medical Center, LLC

  • Ambulance
  • Cincinnati, OH
  • NPI 1689618423

  Hospital

  Care Compare affiliation
• West Chester Hospital LLC

  • General Acute Care Hospital
  • West Chester, OH
  • NPI 1851549273
  Care Compare affiliation

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

{
    "created_epoch": "1148688000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1396792347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3200 BURNET AVE",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452293019"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "715 W STATE ST",
            "city": "TRENTON",
            "state": "OH",
            "postal_code": "450679220",
            "telephone_number": "513-988-6067",
            "fax_number": "513-988-6070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONADY",
        "first_name": "GARY",
        "middle_name": "M.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-27",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OH",
            "license": "35.057057",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.057057",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0828519",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marsha L Napier, RN
• Anne K Nestor, MD
• Hai Dinh Nguyen, PHARM. D
• Teresa Nichols
• Tonya R Oehler, LPN
• Brandy Leigh Parker, LPN
• Cynthia Pennington, RN
• Dina Lynn Peters, RN
• Carissa Kay Pitts
• Melissa Ann Poff-Pierson, LPN

• Internal Medicine Physician in Trenton, OH
• Providers in Trenton, 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 15, 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.