IndividualActive
Andrea Gregg, AS
NPI 1558576868 · Specialist · Derry, NH
Provider details
- NPI number
- 1558576868
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- AS
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 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
38 No Shore Road
Derry, NH 03038
Phone: (603) 434-5200
Fax: (603) 426-5177
Street-level locationGet directions
Mailing address
38 No Shore Road
Derry, NH 03038
Registry dates
- Enumerated
- 2007-05-11
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.