Individual provider Active NPI

James Kenneth Seffinga Clark, M.D.

  • Diagnostic Radiology Physician
  • Lebanon, NH
National Provider Identifier
1740336080
Registry record updated Mar 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
24426 Issued in NE
Practice address
1 Medical Center Dr
Lebanon, NH 03756-0001
Phone
(603) 650-5000
NPI assigned
Jan 27, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 34260 NH
Diagnostic Radiology Physician 2085R0202X 24426 NE Primary

Addresses

Primary practice location

1 Medical Center Dr
Lebanon, NH 03756-0001

Mailing address

Naval Medical Center Portsmouth
620 John Paul Jones Circle
Portsmouth, VA 23708-1904
Phone (619) 709-5003

Other practice location 1

Naval Medical Center Portsmouth
620 John Paul Jones Circle
Portsmouth, VA 23708-1904
Phone (619) 709-5003

Other names 1

  • Dr. James Kenneth Seffinga-Clark Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, NH2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20151211000689 VA Practitioner - Diagnostic Radiology 9638470909 Reassigns benefits to 2 organizations
I20250310001856 NH Practitioner - Diagnostic Radiology 9638470909 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Wisconsin School of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.52 of 100Reported as group
Quality
90.67
Improvement activities
40
Cost
78.84

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Chesapeake Diagnostic Imaging Centers, LLC Diagnostic Radiology CurrentSince Mar 1, 2023 Accepting new patients
Mary Hitchcock Memorial Hospital Current Accepting new patients
Dartmouth-Hitchcock Clinic Diagnostic Radiology CurrentSince Mar 31, 2025 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Mar 31, 2025 Accepting new patients
Chesapeake Diagnostic Imaging Centers, LLC Diagnostic Radiology CurrentSince Mar 1, 2023 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Mar 31, 2025 Accepting new patients
Mary Hitchcock Memorial Hospital Diagnostic Radiology CurrentSince Mar 31, 2025 Accepting new patients
Chesapeake Radiologists LTD Diagnostic Radiology CurrentSince Apr 1, 2023 Accepting new patients

Locations

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

676 Kingsborough Sq
Ste A
Chesapeake, VA 23320
Phone (757) 547-4155

1554 River Birch Run N
Chesapeake, VA 23320
Phone (757) 671-1144

736 Battlefield Blvd N
Chesapeake, VA 23320
Phone (757) 312-6124

1464 Mount Pleasant Rd
Ste 13AND14
Chesapeake, VA 23322
Phone (757) 410-4580

Organizations & group practices 8

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 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1169856000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741046400000",
    "number": "1740336080",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "NAVAL MEDICAL CENTER PORTSMOUTH",
            "address_2": "620 JOHN PAUL JONES CIRCLE",
            "city": "PORTSMOUTH",
            "state": "VA",
            "postal_code": "237081904",
            "telephone_number": "619-709-5003"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037560001",
            "telephone_number": "603-650-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Naval Medical Center Portsmouth",
            "address_2": "620 John Paul Jones Circle",
            "address_purpose": "LOCATION",
            "city": "Portsmouth",
            "state": "VA",
            "postal_code": "237081904",
            "country_code": "US",
            "telephone_number": "619-709-5003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CLARK",
        "first_name": "JAMES",
        "middle_name": "KENNETH SEFFINGA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-27",
        "last_updated": "2025-03-04",
        "certification_date": "2025-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NH",
            "license": "34260",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NE",
            "license": "24426",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JAMES",
            "last_name": "SEFFINGA-CLARK",
            "middle_name": "KENNETH",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Lebanon, NH

Sources for this page

Verify at the official NPI Registry.