MARIA ANTONIA ALFONSO M.S, L.P.C, L.M.H.C
NPI 1629391552
Counselor - Professional in Washington, DC

Active since March 06, 2010
1629 K ST NW STE 300, WASHINGTON, DC 20006(202) 368-8999 Get Directions Write a Review

NPPES record last updated: November 23, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Maria Antonia Alfonso M.s, L.p.c, L.m.h.c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA ANTONIA ALFONSO M.S, L.P.C, L.M.H.C (NPI 1629391552) is an individual professional provider in Washington, District Of Columbia, licensed in District Of Columbia (PRC14153) and active in the NPI registry since March 2010.

NPPES Registry Identity

NPI1629391552
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARIA ANTONIA ALFONSOCredential: M.S, L.P.C, L.M.H.C
Location Address1629 K ST NW STE 300Washington, DC 20006-1631
Mailing Address3737 Legation St Nw Apt 307Washington, DC 20015-1763 · (202) 368-8999
Sole ProprietorYes
Enumeration DateMarch 6, 2010
Last NPPES UpdateNovember 23, 2013
NPI 1629391552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in DC · PRC14153
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License MH9613 (FL)
1629 K ST NW STE 300, Washington, DC 20006

Accepted Insurance

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
1629 K ST NW STE 300
WASHINGTON, DC 20006
Psychologist (Clinical)
1629 K ST NW STE 300
WASHINGTON, DC 20006
Home Health
1629 K ST NW STE 300
WASHINGTON, DC 20006
Clinic/Center (Developmental Disabilities)
1629 K ST NW STE 300
WASHINGTON, DC 20006
Clinic/Center (Developmental Disabilities)
1629 K ST NW STE 300
WASHINGTON, DC 20006
Case Management
1629 K ST NW STE 300
WASHINGTON, DC 20006
Internal Medicine
1629 K ST NW STE 300
WASHINGTON, DC 20006
Social Worker (Clinical)
1629 K ST NW STE 300
WASHINGTON, DC 20006

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Alfonso's NPI number?

The NPI number for Maria Alfonso is 1629391552. It was assigned to this individual provider in the NPPES registry on March 6, 2010.

Where is Maria Alfonso located?

Maria Alfonso practices at 1629 K St NW Ste 300, Washington, DC 20006. The listed phone number is (202) 368-8999.

What is Maria Alfonso's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

What insurance does Maria Alfonso accept?

Health plans from Oscar Health Maintenance Organization of Florida and UnitedHealthcare list Maria Alfonso as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maria Alfonso was last updated on November 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.