OrganizationActive
Dr. Stephen L. Simpson, M.D., P.C.
NPI 1952579674 · Specialist · Ayer, MA
Provider details
- NPI number
- 1952579674
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Sara Flannery, Office Manager(978) 862-0025
- License
- 205051 (MA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
198 Groton Rd
Suite 1
Ayer, MA 01432-1177
Phone: (978) 862-0025
Fax: (978) 862-0049
Street-level locationGet directions
Mailing address
Po Box 6300
Providence, RI 02940-6300
Registry dates
- Enumerated
- 2008-02-15
- Last updated
- 2008-12-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.