Heidi H Siebert, Lmft, LLC
NPI 1225330319 · Marriage & Family Therapist · Norwalk, CT
Heidi H Siebert, Lmft, LLC is a Marriage & Family Therapist organization in Norwalk, CT (NPI 1225330319).
Provider details
- NPI number
- 1225330319
- Entity type
- Organization
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Heidi Siebert, Owner/Psychotherapist(203) 829-4196
- License
- 1250 (CT)
Specialties & taxonomies
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
15 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
- 2010-11-23
- Last updated
- 2010-11-23
Frequently asked questions
- What is Heidi H Siebert, Lmft, LLC's NPI number?
- Heidi H Siebert, Lmft, LLC's National Provider Identifier (NPI) is 1225330319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Heidi H Siebert, Lmft, LLC?
- Heidi H Siebert, Lmft, LLC is classified in the NPPES registry as Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Heidi H Siebert, Lmft, LLC located?
- Heidi H Siebert, Lmft, LLC's practice location on file with NPPES is 5 Eversley Ave, Norwalk, CT 06851-5821.
- What is Heidi H Siebert, Lmft, LLC's phone number?
- The practice phone number listed in the NPPES registry for Heidi H Siebert, Lmft, LLC is (203) 829-4196.
- Who is the authorized official for Heidi H Siebert, Lmft, LLC?
- The authorized official listed on Heidi H Siebert, Lmft, LLC's NPPES record is Heidi Siebert, Owner/Psychotherapist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Heidi H Siebert, Lmft, LLC's NPI active?
- Yes — Heidi H Siebert, Lmft, LLC's NPI (1225330319) is active in the NPPES registry as of the last update on 2010-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.