Carla Papaioannou, MSW
NPI 1649503079 · Clinical Social Worker · Rockville, MD
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carla Papaioannou, MSW is a Clinical Social Worker provider in Rockville, MD (NPI 1649503079).
Provider details
- NPI number
- 1649503079
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- 12819 (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
16 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
- 2009-09-16
- Last updated
- 2010-11-02
Frequently asked questions
- What is Carla Papaioannou's NPI number?
- Carla Papaioannou's National Provider Identifier (NPI) is 1649503079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carla Papaioannou's specialty?
- Carla Papaioannou is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Carla Papaioannou located?
- Carla Papaioannou's practice location on file with NPPES is 5942 Hubbard Dr, Rockville, MD 20852-4824.
- What is Carla Papaioannou's phone number?
- The practice phone number listed in the NPPES registry for Carla Papaioannou is (301) 230-9490.
- Does Carla Papaioannou accept Medicare?
- Carla Papaioannou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carla Papaioannou's NPI active?
- Yes — Carla Papaioannou's NPI (1649503079) is active in the NPPES registry as of the last update on 2010-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.