Stephanie Williston, PH.D.
NPI 1205904703 · Marriage & Family Therapist · Manchester, NH
Stephanie Williston, PH.D. is a Marriage & Family Therapist provider in Manchester, NH (NPI 1205904703).
Provider details
- NPI number
- 1205904703
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 987 (NH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
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
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
- 2006-12-01
- Last updated
- 2025-09-11
Frequently asked questions
- What is Stephanie Williston's NPI number?
- Stephanie Williston's National Provider Identifier (NPI) is 1205904703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Williston's specialty?
- Stephanie Williston is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Stephanie Williston located?
- Stephanie Williston's practice location on file with NPPES is 2013 Elm St, Manchester, NH 03104-2528.
- What is Stephanie Williston's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Williston is (603) 627-2702.
- Is Stephanie Williston's NPI active?
- Yes — Stephanie Williston's NPI (1205904703) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.