Individual provider Active NPI

Jonas Dean Clark, MSN RN, AGAC-NP

  • Gerontology Nurse Practitioner
  • Marietta, OH
National Provider Identifier
1427666486
Registry record updated Dec 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
APRN.CNP.0027078 Issued in OH
Practice address
400 Matthew St Ste 302
Marietta, OH 45750-1656
Phone
(740) 568-5207
Fax
(740) 568-5297
NPI assigned
Jul 16, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gerontology Nurse PractitionerGroup: 193200000X MULTI-SPECIALTY GROUP 363LG0600X APRN.CNP.0027078 OH Primary
Nurse Practitioner 363L00000X APRN.CNP.0027078 OH

Addresses

Primary practice location

400 Matthew St Ste 302
Marietta, OH 45750-1656

Mailing address

22155 Jordan Run Rd
Guysville, OH 45735-9594
Phone (740) 517-0674

Other practice location 1

803 Farson St Ste 400
Belpre, OH 45714-1073
Phone (740) 568-5207

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address Jonas.clark@mmhs.medicity.net
Direct Messaging Address jonas.clark@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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200812001201 OH Practitioner - Nurse Practitioner 4486070182 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
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)

400 Matthew St
Suite 302
Marietta, OH 45750-1656
Phone (740) 568-5207

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
APRN.CNP.0027078OHMDGerontology Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Marietta Memorial Hospital Multi-Specialty CurrentSince Sep 1, 2020 Accepting new patients
Marietta Memorial Hospital Multi-Specialty CurrentSince Sep 1, 2020 Accepting new patients

Locations

803 Farson St
Ste 400
Belpre, OH 45714
Phone (740) 568-5207

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

701 Hildreth Ln
Marietta, OH 45750
Phone (740) 371-7194

400 Matthew St
Ste 302
Marietta, OH 45750
Phone (740) 568-5207

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

400 Matthew St
Ste 101
Marietta, OH 45750
Phone (740) 568-4150

Organizations & group practices 2

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": "1594857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1427666486",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22155 JORDAN RUN RD",
            "city": "GUYSVILLE",
            "state": "OH",
            "postal_code": "457359594",
            "telephone_number": "740-517-0674"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 MATTHEW ST STE 302",
            "city": "MARIETTA",
            "state": "OH",
            "postal_code": "457501656",
            "telephone_number": "740-568-5207",
            "fax_number": "740-568-5297"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "803 Farson St Ste 400",
            "address_purpose": "LOCATION",
            "city": "Belpre",
            "state": "OH",
            "postal_code": "457141073",
            "country_code": "US",
            "telephone_number": "740-568-5207",
            "fax_number": "740-423-3622",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLARK",
        "first_name": "JONAS",
        "middle_name": "DEAN",
        "credential": "MSN RN, AGAC-NP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-07-16",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "OH",
            "license": "APRN.CNP.0027078",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "OH",
            "license": "APRN.CNP.0027078",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Jonas.clark@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "400 Matthew St Ste 302",
            "city": "Marietta",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457501656",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jonas.clark@mmhs.medicity.net",
            "affiliation": "N",
            "address_1": "803 Farson St Ste 400",
            "city": "Belpre",
            "state": "OH",
            "country_code": "US",
            "postal_code": "457141073",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marietta, OH

Sources for this page

Verify at the official NPI Registry.