Frederick Kelsey, M.D.
NPI 1518908151 · Internal Medicine Physician · Plymouth, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Kelsey, M.D. is a Internal Medicine Physician provider in Plymouth, NH (NPI 1518908151).
Provider details
- NPI number
- 1518908151
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6088 (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
- 2006-06-08
- Last updated
- 2007-11-30
Frequently asked questions
- What is Frederick Kelsey's NPI number?
- Frederick Kelsey's National Provider Identifier (NPI) is 1518908151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Kelsey's specialty?
- Frederick Kelsey is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Kelsey located?
- Frederick Kelsey's practice location on file with NPPES is 101 Boulder Point Dr, Plymouth, NH 03264.
- What is Frederick Kelsey's phone number?
- The practice phone number listed in the NPPES registry for Frederick Kelsey is (603) 536-4000.
- Does Frederick Kelsey accept Medicare?
- Frederick Kelsey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Kelsey's NPI active?
- Yes — Frederick Kelsey's NPI (1518908151) is active in the NPPES registry as of the last update on 2007-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.