Marvin Cain Alexander, PHD, LICSW
NPI 1093993370 · Clinical Social Worker · Washington, DC
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Cain Alexander, PHD, LICSW is a Clinical Social Worker provider in Washington, DC (NPI 1093993370).
Provider details
- NPI number
- 1093993370
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD, LICSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2467-C (AR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- School Social Worker1041S0200X
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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- TelehealthDC, Maryland, and Virginia, DC 20010Phone: (724) 250-8855
- 111 Michigan Ave NwWashington, DC 20010-2916Phone: (888) 884-2327
Registry dates
- Enumerated
- 2008-02-08
- Last updated
- 2020-07-01
- Certified
- 2020-07-01
Frequently asked questions
- What is Marvin Cain Alexander's NPI number?
- Marvin Cain Alexander's National Provider Identifier (NPI) is 1093993370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Cain Alexander's specialty?
- Marvin Cain Alexander is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marvin Cain Alexander located?
- Marvin Cain Alexander's practice location on file with NPPES is 1627 K St Nw Ste 400, Washington, DC 20006-1711.
- What is Marvin Cain Alexander's phone number?
- The practice phone number listed in the NPPES registry for Marvin Cain Alexander is (870) 822-1906.
- Does Marvin Cain Alexander accept Medicare?
- Marvin Cain Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Cain Alexander's NPI active?
- Yes — Marvin Cain Alexander's NPI (1093993370) is active in the NPPES registry as of the last update on 2020-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.