Individual provider Active NPI

Madelyn B Hernandez

  • Surgery Physician
  • Marietta, OH
National Provider Identifier
1740784255
Registry record updated Feb 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
35.147557 Issued in OH
Practice address
400 Matthew St Ste B-1
Marietta, OH 45750-1644
Phone
(740) 376-5501
NPI assigned
Mar 20, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 35.147557 OH Primary

Addresses

Primary practice location

400 Matthew St Ste B-1
Marietta, OH 45750-1644

Mailing address

655 Eden Park Dr Apt 519
Cincinnati, OH 45202-6065
Phone (786) 877-8804

Other practice location 1

1818 Washington Blvd Ste G
Belpre, OH 45714-2080
Phone (740) 568-5384

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address madelyn.hernandez@mmhs.medicity.net
Direct Messaging Address madelyn.hernandez@mmhs.medicity.net

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
I20240805002326 OH Practitioner - General Surgery 8729333091 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
George Washington University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Marietta Memorial HospitalGroup PAC ID 8224928965, 387 clinicians

Practice addresses (Care Compare)

1818 Washington Blvd
Suite F
Belpre, OH 45714-2080
Phone (740) 423-3640

401 Matthew St
Marietta, OH 45750-1635
Phone (740) 374-1400

Hospital & facility affiliations

  • Marietta Memorial Hospital Hospital, Marietta, OH, CCN 360147

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy15
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Melanoma (skin cancer) excision21
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Marietta Memorial Hospital CurrentSince Sep 1, 2024 Accepting new patients
Marietta Memorial Hospital CurrentSince Sep 1, 2024 Accepting new patients
Selby General Hospital CurrentSince Jan 1, 2026 Accepting new patients
Selby General Hospital CurrentSince Jan 1, 2026 Accepting new patients

Locations

1818 Washington Blvd
Ste G
Belpre, OH 45714
Phone (740) 568-5384

401 Matthew St
Marietta, OH 45750
Phone (740) 374-1400

416 Colegate Dr
#3
Marietta, OH 45750
Phone (740) 236-9047

1106 Colegate Dr
Marietta, OH 45750
Phone (740) 374-7700

400 Matthew St
Ste B1
Marietta, OH 45750
Phone (740) 376-5501

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1521504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739318400000",
    "number": "1740784255",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "655 EDEN PARK DR APT 519",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452026065",
            "telephone_number": "786-877-8804"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 MATTHEW ST STE B-1",
            "city": "MARIETTA",
            "state": "OH",
            "postal_code": "457501644",
            "telephone_number": "740-376-5501"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1818 Washington Blvd Ste G",
            "address_purpose": "LOCATION",
            "city": "Belpre",
            "state": "OH",
            "postal_code": "457142080",
            "country_code": "US",
            "telephone_number": "740-568-5384",
            "fax_number": "740-571-4739",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HERNANDEZ",
        "first_name": "MADELYN",
        "middle_name": "B",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-03-20",
        "last_updated": "2025-02-12",
        "certification_date": "2025-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OH",
            "license": "35.147557",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "madelyn.hernandez@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "400 Matthew St Ste B-1",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457501644",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "madelyn.hernandez@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "1818 Washington Blvd Ste G",
            "city": "Belpre",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457142080",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marietta, OH

Sources for this page

Verify at the official NPI Registry.