Dr. James Kenneth Seffinga Clark, MD
- Medicare services, 2024
- 155
- Medicare patients, 2024
- 296
- MIPS score, 2024
- 89
- Hospital affiliations
- 5
- Industry payments
- $34
- Practice address
- 1 Medical Center Drive, Lebanon, NH 03756
- Practice phone
- Call (603) 650-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Clark's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. James Kenneth Seffinga Clark is a diagnostic radiologist in Lebanon, New Hampshire
Dr. Clark practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. Clark's NPI, 1740336080, was assigned on January 27, 2007. Dr. Clark graduated from University of Wisconsin School of Medicine in 2006. Dr. Clark holds Nebraska license 24426.
- NPI
- 1740336080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638470909
- NPI enumeration date
- January 27, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 650-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Kenneth Seffinga Clark practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire
Dr. Clark's primary practice is Dartmouth Hitchcock Medical Center, at 1 Medical Center Drive, Lebanon, NH 03756 in Grafton County. The practice phone is (603) 650-5000.
- Dartmouth Hitchcock Medical Center1 Medical Center Drive, Lebanon, NH 03756 · Grafton CountyPhone(603) 650-5000
Source: Dmand AI Affiliation Data
Dr. James Kenneth Seffinga Clark is affiliated with 5 sites of care and 4 medical groups
Dr. Clark's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dr. Clark is also affiliated with Alice Peck Day Memorial Hospital. The medical group on file is Dartmouth Hitchcock Clinics Manchester. Dmand AI also links Dr. Clark to 3 more hospitals and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Kenneth Seffinga Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dartmouth Hitchcock Medical Center | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Dartmouth-Hitchcock Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Kenneth Seffinga Clark is one of 168 diagnostic radiologists in New Hampshire
Diagnostic radiology is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Clark's licenses on file in 2 states: Nebraska and New Hampshire.
Specialties and state licenses
- Diagnostic radiology, NebraskaPrimary
- New Hampshire license
Diagnostic radiologists near Dr. Clark
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Kenneth Seffinga Clark billed Medicare for 155 services in 2024
CMS data shows 155 Medicare services from Dr. Clark across 4 procedure codes in 2024, for 296 Medicare patients. Medicare paid $1,310 for them.
Dr. Clark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1172024: 15532%
Where Dr. Clark's Medicare services took place, 2024
- In an office2114%
- In a facility13486%
Dr. Clark compared with the New Hampshire median for diagnostic radiologists, 2024
- Dr. Clark
- New Hampshire median
- Medicare services
- 155vs 2,79994% below
- Medicare patients
- 296vs 2,03085% below
Medians across 172 diagnostic radiologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Clark's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Clark?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clark and other diagnostic radiologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Kenneth Seffinga Clark treated 296 Medicare patients in 2024, average age 75
CMS counts 296 Medicare patients who saw Dr. Clark in 2024. The largest group is 65 to 74, with 125 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 60, with 61% women.
Dr. Clark's Medicare patients by age, 2024
Dr. Clark's Medicare patients by sex, 2024
- Women17258%
- Men12442%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Diabetes37%
- Ischemic heart disease37%
- Anxiety34%
- COPD32%
- Heart failure31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Kenneth Seffinga Clark scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Clark for performance year 2024, reported as part of a group. Dr. Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Clark's MIPS scores, performance year 2024
- 89of 100Final score
- 90.7of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. James Kenneth Seffinga Clark received $34 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Clark from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $34.
Companies that paid Dr. Clark the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Kenneth Seffinga Clark graduated from University of Wisconsin School of Medicine
Dr. Clark graduated from University of Wisconsin School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Kenneth Seffinga Clark's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James Kenneth Seffinga Clark
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. James Kenneth Seffinga Clark's NPI number?
Dr. James Kenneth Seffinga Clark's NPI number is 1740336080. It was assigned on January 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James Kenneth Seffinga Clark?
Dr. James Kenneth Seffinga Clark is a diagnostic radiologist in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. James Kenneth Seffinga Clark practice?
Dr. Clark practices at 1 Medical Center Drive, Lebanon, NH 03756. Dr. Clark's primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. Clark to 3 hospitals and 3 medical groups.
What is Dr. James Kenneth Seffinga Clark's office phone number?
The practice phone on file for Dr. Clark is (603) 650-5000.
What is Dr. James Kenneth Seffinga Clark's medical license number?
Dr. Clark holds Nebraska license 24426, one of the licenses on file in 2 states.
Which states has Dr. James Kenneth Seffinga Clark been licensed in?
Dmand AI has state licenses on file for Dr. Clark in Nebraska and New Hampshire.
Which hospitals is Dr. James Kenneth Seffinga Clark affiliated with?
Dr. Clark practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire. Dr. Clark is also affiliated with Alice Peck Day Memorial Hospital. Dmand AI links Dr. Clark to 3 more hospitals.
What medical group is Dr. James Kenneth Seffinga Clark part of?
Dr. Clark is linked to Dartmouth Hitchcock Clinics Manchester. Dmand AI links Dr. Clark to 3 more medical groups.
Does Dr. James Kenneth Seffinga Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 155 services in 2024, and Dr. Clark accepts Medicare assignment.
What is Dr. James Kenneth Seffinga Clark's MIPS score?
Dr. Clark's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. James Kenneth Seffinga Clark see?
CMS counts 296 Medicare patients who saw Dr. Clark in 2024, with an average age of 75.
What services does Dr. James Kenneth Seffinga Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (71045) and diagnostic imaging (72110).
Where did Dr. James Kenneth Seffinga Clark go to medical school?
Dr. Clark graduated from University of Wisconsin School of Medicine in 2006.
Has Dr. James Kenneth Seffinga Clark received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Clark from 1 company from 2025 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. James Kenneth Seffinga Clark been practicing?
Dr. Clark graduated from medical school in 2006, 20 years ago.
Selling to diagnostic radiology practices?
See diagnostic radiologists in New Hampshire by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card