IndividualActive
Margaret Stienstra
NPI 1891117461 · Psychologist · Harwich Port, MA
Margaret Stienstra is a Psychologist provider in Harwich Port, MA (NPI 1891117461).
Provider details
- NPI number
- 1891117461
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
466 Main St
Child & Family Services
Harwich Port, MA 02646-1604
Phone: (508) 576-9444
Street-level locationGet directions
Mailing address
371 Route 28
Harwich Port, MA 02646-1629
Registry dates
- Enumerated
- 2014-01-15
- Last updated
- 2014-01-15
Frequently asked questions
- What is Margaret Stienstra's NPI number?
- Margaret Stienstra's National Provider Identifier (NPI) is 1891117461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Stienstra's specialty?
- Margaret Stienstra is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Margaret Stienstra located?
- Margaret Stienstra's practice location on file with NPPES is 466 Main St, Harwich Port, MA 02646-1604.
- What is Margaret Stienstra's phone number?
- The practice phone number listed in the NPPES registry for Margaret Stienstra is (508) 576-9444.
- Is Margaret Stienstra's NPI active?
- Yes — Margaret Stienstra's NPI (1891117461) is active in the NPPES registry as of the last update on 2014-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.