IndividualActive
Ellen Derby
NPI 1235335654 · Specialist · Peterborough, NH
Ellen Derby is a Specialist provider in Peterborough, NH (NPI 1235335654).
Provider details
- NPI number
- 1235335654
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
9 Vose Farm Rd
Suite 120
Peterborough, NH 03458-2154
Phone: (603) 924-7236
Street-level locationGet directions
Mailing address
17 93rd St
Keene, NH 03431-3748
Registry dates
- Enumerated
- 2007-06-22
- Last updated
- 2009-07-23
Frequently asked questions
- What is Ellen Derby's NPI number?
- Ellen Derby's National Provider Identifier (NPI) is 1235335654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Derby's specialty?
- Ellen Derby is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Ellen Derby located?
- Ellen Derby's practice location on file with NPPES is 9 Vose Farm Rd, Peterborough, NH 03458-2154.
- What is Ellen Derby's phone number?
- The practice phone number listed in the NPPES registry for Ellen Derby is (603) 924-7236.
- Is Ellen Derby's NPI active?
- Yes — Ellen Derby's NPI (1235335654) is active in the NPPES registry as of the last update on 2009-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.