ASHTON HARRIS HALLAHAN LCSW, MPH, CCM
NPI 1285116558
Social Worker - Clinical in National City, CA

Q: What is Ashton Hallahan's NPI number?

The NPI number for Ashton Hallahan is 1285116558. It was assigned to this individual provider in the NPPES registry on September 4, 2018. The provider is also known as Elizabeth Ashton Harris Lcsw, Mph, Ccm.

Q: What is Ashton Hallahan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Q: When was this NPI record last updated?

The NPPES record for Ashton Hallahan was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since September 04, 2018PECOS Enrolled

2300 E 7TH ST, NATIONAL CITY, CA 91950(619) 791-2730 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2026, Sep 4, 2018 (2 updates tracked since 2018).

On this page

About Ashton Harris Hallahan Lcsw, Mph, Ccm NPPES

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

ASHTON HARRIS HALLAHAN LCSW, MPH, CCM (NPI 1285116558) is an individual clinical provider in National City, California and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285116558

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameASHTON HARRIS HALLAHANCredential: LCSW, MPH, CCM

Location Address2300 E 7TH STNational City, CA 91950-2852

Mailing Address5651 Copley Dr Ste ASan Diego, CA 92111-7903 · (858) 262-6095

Phone(619) 791-2730

Sole ProprietorNo

Enumeration DateSeptember 4, 2018

Last NPPES UpdateMarch 17, 20262 updates tracked since enumeration

NPPES CertifiedMarch 17, 2026

✔ NPI 1285116558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

2300 E 7TH ST, National City, CA 91950

Open in Google Maps ↗

Other Names 1

Former Name (1)Elizabeth Ashton Harris Lcsw, Mph, Ccm

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ashton Harris Hallahan Lcsw, Mph, Ccm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91950 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $62.10 – $184.71

Typical copayment $0.00 (range $15.52 – $46.17)

Most-billed visit code NA

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

JOHN STEVE GACHUPIN CADC-II

Counselor (Addiction (Substance Use Disorder))