Susannah Clark, M.D.
Internal Medicine Physician · Lebanon, NH
Susannah Clark, M.D. is an internal medicine physician with a practice address in Lebanon, New Hampshire, and NPI 1780697334, issued on Aug 14, 2006. Check the license (New Hampshire 12781, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Susannah Clark
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12781 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 650-5000
- Enumerated
- Aug 14, 2006
- Entity
- Type 1 · individual
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, NPNurse 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 Susannah Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 12781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,322 Medicare Part D claims for 255 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium285 claims
- Omeprazole241 claims
- Amlodipine Besylate231 claims
- Levothyroxine Sodium220 claims
- Losartan Potassium210 claims
- Metoprolol Succinate185 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 86.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Alice Peck Day Memorial HospitalLebanon, NH · Critical Access Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
224 internal medicine physician records list a Lebanon practice address
They are 224 of the 3,530 NPPES records with a Lebanon practice address, and 779 internal medicine physician records in New Hampshire.
All 224 in Lebanon → All 779 in New Hampshire → Every provider in Lebanon →
Other internal medicine physician records in New Hampshire
- Lauren Abbott, MDPortsmouth, NH1619597234
- Cherif Abdelmalek, M.D.Nashua, NH1922396753
- Champa Abeysinghe, M.D.New London, NH1629257134
- Suzanne Abkowitz, MDNorth Conway, NH1811906506
- Arthur Ablayev, MDConcord, NH1598178881
- Indira AcharyaLebanon, NH1407428600
- Philip Adamo, MDLebanon, NH1437106838
- Lisa Adams, MDLebanon, NH1912225186
- Muhammad Afzal, M.D.Lebanon, NH1982983821
- Ojobumijo Agbaji, MDLaconia, NH1689195042
Common questions
What is Susannah Clark, M.D.'s NPI number?
Susannah Clark, M.D.'s National Provider Identifier (NPI) is 1780697334, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susannah 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 Susannah Clark, M.D.'s license?
NPPES lists New Hampshire license number 12781, 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.
How much does Susannah Clark, M.D. prescribe under Medicare Part D?
In 2024, Susannah Clark, M.D. had 4,322 Medicare Part D claims for 255 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Susannah Clark, M.D.'s Medicare quality score?
The 2023 MIPS final score is 86.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.