Regan Mayo, PHD
Counseling Psychologist · Washington, DC
Regan Mayo, PHD is a counseling psychologist with a practice address in Washington, District of Columbia, and NPI 1295085124, issued on Sep 18, 2012. Check the license (District of Columbia PSY1000655, as entered in NPPES) with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Regan Mayo
- Credential
- PHD
- Primary taxonomy
- Counseling Psychologist 103TC1900X
- License number
- PSY1000655 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1633 Q St NW, Washington, DC 20009
- Phone
- (202) 986-5941
- Enumerated
- Sep 18, 2012
- Record last updated
- Sep 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1633 Q St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrian Connolly, LPCProfessional Counselor1114312311
- Melanie Costello, PH.D.Psychoanalysis Psychologist1497966691
- Gregory Jones, PSY.D.Clinical Psychologist1427282219
- Erin McCleary, LICSWClinical Social Worker1174070312
- Regina Tosca, LICSWClinical Social Worker1316579519
- Dana Treistman, PH.D.Counseling Psychologist1245427657
Verify Regan Mayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license PSY1000655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Counseling Psychologist providers in District of Columbia
There are 59 counseling psychologist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59 in District of Columbia → Every provider in Washington →
Other counseling psychologist records in District of Columbia
- Stacie Ain, PH.D.Washington, DC1043678816
- Bernasha AndersonWashington, DC1821679408
- Bradley Brenner, PH.D.Washington, DC1871624437
- Aubrey Bruce, PHDWashington, DC1982126025
- Traci Callandrillo, PH.D.Washington, DC1447531371
- Kathryn Camicia, PHDWashington, DC1184884223
- Vikram Chiruvolu, LGPC, MA, BSCSWashington, DC1831754365
- Robert Drinkwater, PHDWashington, DC1942655980
- Patricia Fisher, PHD PSYCHOLOGYWashington, DC1275607202
- Marisa FrancoWashington, DC1952990889
Common questions
What is Regan Mayo, PHD's NPI number?
Regan Mayo, PHD's National Provider Identifier (NPI) is 1295085124, issued on Sep 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Regan Mayo, PHD located?
The NPPES record lists a practice address at 1633 Q St NW, Washington, DC, 20009. Phone: (202) 986-5941. Providers update this record themselves, so call before visiting.
How can I verify Regan Mayo, PHD's license?
NPPES lists District of Columbia license number PSY1000655, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.