IndividualActive
Marcia Prenger
NPI 1851140610 · Clinical Social Worker · Alexandria, VA
Marcia Prenger is a Clinical Social Worker provider in Alexandria, VA (NPI 1851140610).
Provider details
- NPI number
- 1851140610
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 0904019774 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
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
4850 Mark Center Dr
Alexandria, VA 22311-1882
Phone: (703) 746-3400
Street-level locationGet directions
Mailing address
4850 Mark Center Dr Fl 9
Alexandria, VA 22311-1882
Registry dates
- Enumerated
- 2024-05-15
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Marcia Prenger's NPI number?
- Marcia Prenger's National Provider Identifier (NPI) is 1851140610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Prenger's specialty?
- Marcia Prenger is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcia Prenger located?
- Marcia Prenger's practice location on file with NPPES is 4850 Mark Center Dr, Alexandria, VA 22311-1882.
- What is Marcia Prenger's phone number?
- The practice phone number listed in the NPPES registry for Marcia Prenger is (703) 746-3400.
- Is Marcia Prenger's NPI active?
- Yes — Marcia Prenger's NPI (1851140610) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.