Sieanna Holstein, BS
NPI 1124852991 · Mental Health Counselor · Clarksville, MD
Sieanna Holstein, BS is a Mental Health Counselor provider in Clarksville, MD (NPI 1124852991).
Provider details
- NPI number
- 1124852991
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- BS
- Sex
- Female
- Sole proprietor
- No
- License
- A01231 (MD)
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
2 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
- 2024-08-26
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Sieanna Holstein's NPI number?
- Sieanna Holstein's National Provider Identifier (NPI) is 1124852991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sieanna Holstein's specialty?
- Sieanna Holstein is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sieanna Holstein located?
- Sieanna Holstein's practice location on file with NPPES is 6100 Daylong Ln Ste 103, Clarksville, MD 21029-1631.
- What is Sieanna Holstein's phone number?
- The practice phone number listed in the NPPES registry for Sieanna Holstein is (410) 531-8100.
- Is Sieanna Holstein's NPI active?
- Yes — Sieanna Holstein's NPI (1124852991) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.