HARLEY ANNABELLE MASON MSW,LSW
NPI 1952285694
Social Worker in Alton, IL

Active since August 05, 2025
2615 EDWARDS ST, ALTON, IL 62002(618) 462-2331(618) 462-2504 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Harley Annabelle Mason Msw,lsw NPPES

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

HARLEY ANNABELLE MASON MSW,LSW (NPI 1952285694) is an individual social worker in Alton, Illinois, licensed in Illinois (150.118155) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1952285694
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameHARLEY ANNABELLE MASONCredential: MSW,LSW
Location Address2615 EDWARDS STAlton, IL 62002-3915
Mailing Address902 W Main StWest Frankfort, IL 62896-2210 · (618) 326-2772 · Fax (618) 937-1440
Fax(618) 462-2504
Sole ProprietorNo
Enumeration DateAugust 5, 2025
Last NPPES UpdateOctober 29, 2025
NPPES CertifiedOctober 29, 2025
NPI 1952285694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in IL · 150.118155
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
2615 EDWARDS ST, Alton, IL 62002

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.

Counselor (Mental Health)
2615 EDWARDS ST
ALTON, IL 62002
Counselor (Mental Health)
2615 EDWARDS ST
ALTON, IL 62002
Counselor (Mental Health)
2615 EDWARDS ST
ALTON, IL 62002
Counselor
2615 EDWARDS ST
ALTON, IL 62002
Counselor
2615 EDWARDS ST
ALTON, IL 62002
Counselor (Mental Health)
2615 EDWARDS ST
ALTON, IL 62002
Counselor
2615 EDWARDS ST
ALTON, IL 62002
Counselor (Professional)
2615 EDWARDS ST
ALTON, IL 62002

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 Harley Mason's NPI number?

The NPI number for Harley Mason is 1952285694. It was assigned to this individual provider in the NPPES registry on August 5, 2025.

Where is Harley Mason located?

Harley Mason practices at 2615 Edwards St, Alton, IL 62002. The listed phone number is (618) 462-2331.

What is Harley Mason's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Harley Mason was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.