Brian Marvin, LCSW
NPI 1861410821 · Clinical Social Worker · Chantilly, VA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Marvin, LCSW is a Clinical Social Worker provider in Chantilly, VA (NPI 1861410821).
Provider details
- NPI number
- 1861410821
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0904003231 (VA)
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
19 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
- 2006-07-18
- Last updated
- 2013-05-15
Frequently asked questions
- What is Brian Marvin's NPI number?
- Brian Marvin's National Provider Identifier (NPI) is 1861410821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Marvin's specialty?
- Brian Marvin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Brian Marvin located?
- Brian Marvin's practice location on file with NPPES is 14150 Parkeast Cir Ste 200, Chantilly, VA 20151-4212.
- What is Brian Marvin's phone number?
- The practice phone number listed in the NPPES registry for Brian Marvin is (703) 968-4000.
- Does Brian Marvin accept Medicare?
- Brian Marvin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Marvin's NPI active?
- Yes — Brian Marvin's NPI (1861410821) is active in the NPPES registry as of the last update on 2013-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.