Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Phyllis June Mayo, PHD

Individual provider Clinical Psychologist · NPI 1174873061

Dr. Phyllis June Mayo, PHD is a Clinical Psychologist in Washington, District of Columbia. Qualified in 1980, 46 years ago. Practices with Psi Services III, Inc, an 8-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia.

Years since qualifying
46
Licensed in
DC
In the registry since
2012
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1100 N Capitol St NW
Washington, DC 20002-7506
Phone: (202) 842-3698
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1129 (DC)

Record details

NPI number1174873061
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 18, 2012
Last updated in NPPESSeptember 18, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice Psi Services Iii, Inc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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