James Kenneth Seffinga Clark, M.D.
Diagnostic Radiology Physician · Lebanon, NH
James Kenneth Seffinga Clark, M.D. is a diagnostic radiology physician with a practice address in Lebanon, New Hampshire, and NPI 1740336080, issued on Jan 27, 2007. Check the license (New Hampshire 34260, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- James Kenneth Seffinga Clark
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 34260 NH
24426 NE
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 650-5000
- Enumerated
- Jan 27, 2007
- Record last updated
- Mar 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20250310001856); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 201 in New Hampshire → Look up another NPI →
Also registered at 1 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Abbate, NPFamily Nurse Practitioner1669683637
- McCall Abbott, APRNFamily Nurse Practitioner1396292454
- Lauren AbbuhlStudent in an Organized Health Care Education/Training Program1760322986
- William Abdu, M.D.Orthopaedic Surgery of the Spine Physician1134162324
- Iryna Aberkorn, MDFamily Medicine Physician1780846071
- Majd Aboul Hosn, MDStudent in an Organized Health Care Education/Training Program1932901949
Verify James Kenneth Seffinga Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 34260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Dartmouth-Hitchcock ClinicLebanon, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Kenneth Seffinga Clark among 201 diagnostic radiology physician records in New Hampshire
James Kenneth Seffinga Clark, M.D. is one of 201 diagnostic radiology physician records with a practice address in New Hampshire. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 64% of them.
- NPI issued2007 · 64% of these records are older, 30% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2006 · median 2003 among the 140 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 diagnostic radiology physician records list a practice address in Lebanon
They are 67 of the 3,530 NPPES records with a practice address in Lebanon, and 201 diagnostic radiology physician records in New Hampshire.
All 201 in New Hampshire → Every provider in Lebanon → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Jocelyn Chertoff, MDLebanon, NH 037561326072539
- Elizabeth Dann, M.D.Lebanon, NH 037561912956624
- Clifford Eskey, MD PHDLebanon, NH 037561134193030
- Christin Foster, MDLebanon, NH 037561093786790
- Stephen Foster, M.D.Lebanon, NH 037561770554495
- Mark Guilfoyle, DOLebanon, NH 037561558329128
- Mark HansberryLebanon, NH 037561417993262
- Harlan Herr, MDLebanon, NH 037561043269699
Common questions
What is James Kenneth Seffinga Clark, M.D.'s NPI number?
James Kenneth Seffinga Clark, M.D.'s National Provider Identifier (NPI) is 1740336080, issued on Jan 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Kenneth Seffinga Clark, M.D. located?
The NPPES record lists a practice address at 1 Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 650-5000. Providers update this record themselves, so call before visiting.
How can I verify James Kenneth Seffinga Clark, M.D.'s license?
NPPES lists New Hampshire license number 34260, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.