Knut Roalsvig, MD
NPI 1154381614 · Gastroenterology Physician · Derry, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Knut Roalsvig, MD is a Gastroenterology Physician provider in Derry, NH (NPI 1154381614).
Provider details
- NPI number
- 1154381614
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7923 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2013-02-07
Frequently asked questions
- What is Knut Roalsvig's NPI number?
- Knut Roalsvig's National Provider Identifier (NPI) is 1154381614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Knut Roalsvig's specialty?
- Knut Roalsvig is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Knut Roalsvig located?
- Knut Roalsvig's practice location on file with NPPES is 6 Tsienneto Rd, Derry, NH 03038-1584.
- What is Knut Roalsvig's phone number?
- The practice phone number listed in the NPPES registry for Knut Roalsvig is (603) 432-8802.
- Does Knut Roalsvig accept Medicare?
- Knut Roalsvig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Knut Roalsvig's NPI active?
- Yes — Knut Roalsvig's NPI (1154381614) is active in the NPPES registry as of the last update on 2013-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.