Deidra Walker-Quarterman, PHD
NPI 1285967554 · Mental Health Counselor · Washington, DC
Deidra Walker-Quarterman, PHD is a Mental Health Counselor provider in Washington, DC (NPI 1285967554).
Provider details
- NPI number
- 1285967554
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
83% 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
- 2009-09-17
- Last updated
- 2023-03-06
- Certified
- 2023-03-06
Frequently asked questions
- What is Deidra Walker-Quarterman's NPI number?
- Deidra Walker-Quarterman's National Provider Identifier (NPI) is 1285967554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deidra Walker-Quarterman's specialty?
- Deidra Walker-Quarterman is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Deidra Walker-Quarterman located?
- Deidra Walker-Quarterman's practice location on file with NPPES is 3300 Pennsylvania Ave Se, Washington, DC 20020-2408.
- What is Deidra Walker-Quarterman's phone number?
- The practice phone number listed in the NPPES registry for Deidra Walker-Quarterman is (202) 878-6626.
- Is Deidra Walker-Quarterman's NPI active?
- Yes — Deidra Walker-Quarterman's NPI (1285967554) is active in the NPPES registry as of the last update on 2023-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.