Nicole Sielsky
NPI 1538973300 · Mental Health Counselor · Altamonte Springs, FL
Nicole Sielsky is a Mental Health Counselor provider in Altamonte Springs, FL (NPI 1538973300).
Provider details
- NPI number
- 1538973300
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- IMH23770 (FL)
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
1 yr 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
- 2025-02-03
- Last updated
- 2025-02-03
- Certified
- 2025-01-31
Frequently asked questions
- What is Nicole Sielsky's NPI number?
- Nicole Sielsky's National Provider Identifier (NPI) is 1538973300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicole Sielsky's specialty?
- Nicole Sielsky is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Nicole Sielsky located?
- Nicole Sielsky's practice location on file with NPPES is 801 Douglas Ave Ste 1001, Altamonte Springs, FL 32714-5204.
- What is Nicole Sielsky's phone number?
- The practice phone number listed in the NPPES registry for Nicole Sielsky is (646) 971-0513.
- Is Nicole Sielsky's NPI active?
- Yes — Nicole Sielsky's NPI (1538973300) is active in the NPPES registry as of the last update on 2025-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.