Susannah Clark, M.D.
NPI 1780697334 · Internal Medicine Physician · Lebanon, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susannah Clark, M.D. is a Internal Medicine Physician provider in Lebanon, NH (NPI 1780697334).
Provider details
- NPI number
- 1780697334
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 12781 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 285 | 67 |
| Omeprazole | 241 | 51 |
| Amlodipine Besylate | 231 | 45 |
| Levothyroxine Sodium | 220 | 53 |
| Losartan Potassium | 210 | 51 |
| Metoprolol Succinate | 185 | 46 |
| Alendronate Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-14
- Last updated
- 2014-11-04
Frequently asked questions
- What is Susannah Clark's NPI number?
- Susannah Clark's National Provider Identifier (NPI) is 1780697334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susannah Clark's specialty?
- Susannah Clark is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susannah Clark located?
- Susannah Clark's practice location on file with NPPES is 1 Medical Center Dr, Lebanon, NH 03756-1000.
- What is Susannah Clark's phone number?
- The practice phone number listed in the NPPES registry for Susannah Clark is (603) 650-5000.
- Does Susannah Clark accept Medicare?
- Susannah Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susannah Clark's NPI active?
- Yes — Susannah Clark's NPI (1780697334) is active in the NPPES registry as of the last update on 2014-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.