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MARK HALLAHAN
NPI 1780995779
Counselor - Mental Health in El Cajon, CA

Active since June 24, 2010
1664 BROADWAY, HALCYON CENTER, EL CAJON, CA 92021(619) 579-8658 Get Directions Write a Review

NPPES record last updated: June 24, 2010. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mark Hallahan NPPES

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

MARK HALLAHAN (NPI 1780995779) is an individual mental health provider in El Cajon, California and active in the NPI registry since June 2010.

NPPES Registry Identity

NPI1780995779
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMARK HALLAHAN
Location Address1664 BROADWAY, HALCYON CENTEREl Cajon, CA 92021-5201
Mailing Address1664 Broadway, Halcyon CenterEl Cajon, CA 92021-5201 · (619) 579-8658
Phone(619) 579-8658
Sole ProprietorNo
Enumeration DateJune 24, 2010
✔ NPI 1780995779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1664 BROADWAY, El Cajon, CA 92021
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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.

NICOLE ANDREA BRADNI
Counselor (Mental Health)
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
CLAUDINE GUIBERT ROSA IMFT
Counselor (Mental Health)
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
JACQUELINE VIDRIO
Rehabilitation Practitioner
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
M'LYNN MONET MARTIN
Rehabilitation Practitioner
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
SILONETH MELLISSA ARMAS
Student in an Organized Health Care Education/Training Program
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
MONE ROGERS
Recreation Therapist
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
JOEL ANCHETA
Student in an Organized Health Care Education/Training Program
1664 BROADWAY
EL CAJON, CA 92021
San Diego County (619) 579-8685
JAMEKA RENEE ROMEY
Student in an Organized Health Care Education/Training Program
1664 BROADWAY, 142
EL CAJON, CA 92021
San Diego County (619) 579-8685

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 Mark Hallahan's NPI number?

The NPI number for Mark Hallahan is 1780995779. It was assigned to this individual provider in the NPPES registry on June 24, 2010.

Where is Mark Hallahan located?

Mark Hallahan practices at 1664 Broadway Halcyon Center, El Cajon, CA 92021. The listed phone number is (619) 579-8658.

What is Mark Hallahan's specialty?

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

When was this NPI record last updated?

The NPPES record for Mark Hallahan was last updated on June 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.