Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Maria Antonia Alfonso, MS, LPC, LMHC

Individual provider Mental Health Counselor · NPI 1629391552

Maria Antonia Alfonso, MS, LPC, LMHC is a Mental Health Counselor in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Florida.

Licensed in
DC, FL
In the registry since
2010
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

1629 K St NW Ste 300
Washington, DC 20006-1631
Phone: (202) 368-8999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence PRC14153 (DC)
Mental Health Counselor Taxonomy 101YM0800X · Licence MH9613 (FL)

Record details

NPI number1629391552
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LPC , LMHC
Sole proprietorYes
NPI enumeratedMarch 6, 2010
Last updated in NPPESNovember 23, 2013

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