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AJ GUERRERO LMHC
NPI 1922520840
Counselor - Mental Health in Boston, MA

Active since July 12, 2017
3464 WASHINGTON ST, BOSTON, MA 02130(857) 371-5101 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 6, 2026, Apr 4, 2023, Sep 20, 2022 and 1 more (4 updates tracked since 2017).

About Aj Guerrero Lmhc NPPES

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

AJ GUERRERO LMHC (NPI 1922520840) is an individual mental health provider in Boston, Massachusetts, licensed in Massachusetts (12054) and active in the NPI registry since July 2017.

NPPES Registry Identity

NPI1922520840
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameAJ GUERREROCredential: LMHC
Location Address3464 WASHINGTON STBoston, MA 02130-2665
Mailing Address3464 Washington StBoston, MA 02130-2665 · (857) 371-5101
Phone(857) 371-5101
Sole ProprietorYes
Enumeration DateJuly 12, 2017
Last NPPES UpdateMay 6, 20264 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
✔ NPI 1922520840 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MA · 12054
3464 WASHINGTON ST, Boston, MA 02130
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Other Providers at the Same Location NPPES 17

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

ALEX GERRISH LICSW
Social Worker (Clinical)
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (781) 561-0205
CLARE MCBEE LICSW
Social Worker (Clinical)
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (312) 927-1353
ELLEN ROTTERSMANN LICSW
Social Worker (Clinical)
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (617) 320-0647
ELLIOT HUTTON
Social Worker (Clinical)
3464 WASHINGTON ST
BOSTON, MA 02130
Suffolk County (603) 724-5386
MOLLY ROBSON LICSW
Social Worker (Clinical)
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (617) 678-3108
MS. CHRISTINE A ROSE LMT
Massage Therapist
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (617) 821-2875
DR. ANDREAS NEUMANN-MASCIS PHD
Psychologist (Clinical)
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (508) 308-3242
VERONICA AKINS LICSW
Social Worker (Clinical)
3464 WASHINGTON ST
JAMAICA PLAIN, MA 02130
Suffolk County (617) 331-5939

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 Aj Guerrero's NPI number?

The NPI number for Aj Guerrero is 1922520840. It was assigned to this individual provider in the NPPES registry on July 12, 2017.

Where is Aj Guerrero located?

Aj Guerrero practices at 3464 Washington St, Boston, MA 02130. The listed phone number is (857) 371-5101.

What is Aj Guerrero's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Aj Guerrero accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Aj Guerrero 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 Aj Guerrero was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.