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SIEANNA HOLSTEIN BS
NPI 1124852991
Counselor - Mental Health in Clarksville, MD

Active since August 26, 2024
6100 DAYLONG LN STE 103, CLARKSVILLE, MD 21029(410) 531-8100 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sieanna Holstein Bs NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIEANNA HOLSTEIN BS (NPI 1124852991) is an individual mental health provider in Clarksville, Maryland, licensed in Maryland (A01231) and active in the NPI registry since August 2024.

NPPES Registry Identity

NPI1124852991
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameSIEANNA HOLSTEINCredential: BS
Location Address6100 DAYLONG LN STE 103Clarksville, MD 21029-1631
Mailing Address6100 Daylong Ln Ste 103Clarksville, MD 21029-1631 · (410) 531-8100
Phone(410) 531-8100
Sole ProprietorNo
Enumeration DateAugust 26, 2024
Last NPPES UpdateDecember 11, 2025
NPPES CertifiedDecember 11, 2025
✔ NPI 1124852991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MD · A01231
6100 DAYLONG LN STE 103, Clarksville, MD 21029
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Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRIGHTER HOPE WELLNESS CENTER
Behavior Analyst
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
AMY MARIE MCLAUGHLIN
Counselor (Mental Health)
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
MOLLY DREAM WEAVER RBT
Behavior Technician
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
MS. CLAIRE ALTHEA GREEN
Counselor (Professional)
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
RACHEAL CLARK PH.D., BCBA
Psychologist
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
LINDA LOUISE CLIFF
Social Worker (Clinical)
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
JESSIE KLEIN
Social Worker
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100
RIGO LUPERCIO
Student in an Organized Health Care Education/Training Program
6100 DAYLONG LN STE 103
CLARKSVILLE, MD 21029
Howard County (410) 531-8100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sieanna Holstein's NPI number?

The NPI number for Sieanna Holstein is 1124852991. It was assigned to this individual provider in the NPPES registry on August 26, 2024.

Where is Sieanna Holstein located?

Sieanna Holstein practices at 6100 Daylong Ln Ste 103, Clarksville, MD 21029. The listed phone number is (410) 531-8100.

What is Sieanna Holstein's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Sieanna Holstein was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.