Individual provider Active NPI

Michael R Donnally, MD

  • Cardiovascular Disease Physician
  • Marysville, OH
National Provider Identifier
1245359520
Registry record updated Apr 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
35.089324 Issued in OH
Practice address
500 London Ave
Marysville, OH 43040-3570
Phone
(937) 642-5490
Fax
(937) 578-2800
NPI assigned
Mar 28, 2007
Last updated
Apr 30, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 35.089324 OH Primary

Addresses

Primary practice location

500 London Ave
Marysville, OH 43040-3570

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (937) 642-5490

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20070508000159 OH Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 2365548302 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
University of Toledo College of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians

Practice addresses (Care Compare)

3900 Stoneridge LN
Dublin, OH 43017-2288
Phone (614) 366-5001

500 London Ave
Marysville, OH 43040-5512
Phone (937) 578-2020

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35.089324OHMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Osu Internal Medicine, LLC Internal Medicine CurrentSince Jun 1, 2014 Accepting new patients
Mary Rutan Hospital Past Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients
Osu Health System-Hospital at Home Cardiovascular Disease Past Accepting new patients

Locations

205 E Palmer Rd
Bellefontaine, OH 43311
Phone (937) 592-4015

1432 Clark St
Cambridge, OH 43725
Phone (740) 435-0930

700 Ackerman Rd
Ste 2120
Columbus, OH 43202

700 Ackerman Rd
Ste 570
Columbus, OH 43202
Phone (614) 293-2046

3900 Stoneridge Ln
Dublin, OH 43017
Phone (614) 366-5001

500 London Ave
Marysville, OH 43040
Phone (740) 420-8451

500 London Ave
Ste O
Marysville, OH 43040

Interoperability endpoints

  • Direct secure messaging: mdonnally331@direct.osumc.edu

Organizations & group practices 4

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1175040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1245359520",
    "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": "937-642-5490",
            "fax_number": "937-578-2800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 LONDON AVE",
            "city": "MARYSVILLE",
            "state": "OH",
            "postal_code": "430403570",
            "telephone_number": "937-642-5490",
            "fax_number": "937-578-2800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DONNALLY",
        "first_name": "MICHAEL",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-28",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "OH",
            "license": "35.089324",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Marysville, OH

Sources for this page

Verify at the official NPI Registry.