Gillian Steiner, LCSW-C
NPI 1104119676 · Clinical Social Worker · Rockville, MD
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gillian Steiner, LCSW-C is a Clinical Social Worker provider in Rockville, MD (NPI 1104119676).
Provider details
- NPI number
- 1104119676
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- No
- License
- 09448 (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
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
- 2011-05-17
- Last updated
- 2011-05-17
Frequently asked questions
- What is Gillian Steiner's NPI number?
- Gillian Steiner's National Provider Identifier (NPI) is 1104119676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Steiner's specialty?
- Gillian Steiner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gillian Steiner located?
- Gillian Steiner's practice location on file with NPPES is 1301 Piccard Dr, Rockville, MD 20850-4320.
- What is Gillian Steiner's phone number?
- The practice phone number listed in the NPPES registry for Gillian Steiner is (240) 777-4873.
- Does Gillian Steiner accept Medicare?
- Gillian Steiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gillian Steiner's NPI active?
- Yes — Gillian Steiner's NPI (1104119676) is active in the NPPES registry as of the last update on 2011-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.