Phyllis Mayo, PH.D.
NPI 1174873061 · Clinical Psychologist · Washington, DC
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phyllis Mayo, PH.D. is a Clinical Psychologist provider in Washington, DC (NPI 1174873061).
Provider details
- NPI number
- 1174873061
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1129 (DC)
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
13 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
- 2012-09-18
- Last updated
- 2012-09-18
Frequently asked questions
- What is Phyllis Mayo's NPI number?
- Phyllis Mayo's National Provider Identifier (NPI) is 1174873061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phyllis Mayo's specialty?
- Phyllis Mayo is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Phyllis Mayo located?
- Phyllis Mayo's practice location on file with NPPES is 1100 N Capitol St Nw, Washington, DC 20002-7506.
- What is Phyllis Mayo's phone number?
- The practice phone number listed in the NPPES registry for Phyllis Mayo is (202) 842-3698.
- Does Phyllis Mayo accept Medicare?
- Phyllis Mayo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phyllis Mayo's NPI active?
- Yes — Phyllis Mayo's NPI (1174873061) is active in the NPPES registry as of the last update on 2012-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.