Dennis R Assenmacher, M.D.

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

35039245 Issued in OH

Practice address

2751 Bay Park Dr
Suite 201
Oregon, OH 43616-4921

Phone

(419) 690-8811

Fax

(419) 697-5760

NPI assigned

Jun 1, 2005

Last updated

Sep 29, 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 6

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: dassenmacher13763@direct.promedica.org

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

{
    "created_epoch": "1117584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1154323384",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2751 BAY PARK DR",
            "address_2": "SUITE 201",
            "city": "OREGON",
            "state": "OH",
            "postal_code": "436164921",
            "telephone_number": "419-690-8811",
            "fax_number": "419-697-5760"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2751 BAY PARK DR",
            "address_2": "SUITE 201",
            "city": "OREGON",
            "state": "OH",
            "postal_code": "436164921",
            "telephone_number": "419-690-8811",
            "fax_number": "419-697-5760"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ASSENMACHER",
        "first_name": "DENNIS",
        "middle_name": "R",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-01",
        "last_updated": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "OH",
            "license": "35039245",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UHC",
            "identifier": "48-0300",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000510600",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PARAMOUNT",
            "identifier": "00204",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0305299",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4074089",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RRMC",
            "identifier": "P00370476",
            "state": "OH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dassenmacher13763@epicdirect.promedica.org",
            "affiliation": "N",
            "address_1": "100 Madison Ave",
            "city": "Toledo",
            "state": "OH",
            "country_code": "US",
            "postal_code": "436041516",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Shelby Nicole Armand, MOT, OTR/L
• Harlan Dale Arnoldm, ATC
• Madison Ashbaugh, PHARMD, RPH
• Benjamin Scott Assenmacher, M.D.
• Craig P Assenmacher, MD
• Joseph A Assenmacher, M.D.
• Crystal Renee Austin, LPN
• Shawn K Backes, LDO
• Jordan Baer-Genson
• Sharon Ann Bailey, SLP

• Orthopaedic Surgery Physician in Oregon, OH
• Providers in Oregon, OH by specialty
• Orthopaedic Surgery Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.