Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1952285694 Individual Practitioner Female Practitioner

Harley Annabelle Mason , MSW, LSW

Social Worker • Alton, IL

Professional Overview & Biography Verified Profile Summary

Harley Mason, MSW, LSW is a registered healthcare professional specializing in Social Worker in Alton, IL. Practice services are available at 2615 EDWARDS ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

2615 Edwards St

Alton, IL 620023915

Telephone 6184622331
Fax 6184622504
Associated Practice Facility / Clinic
🏢 Centerstone Of Illinois, Inc Facility NPI 1659465789

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Alton, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 14.0 Yrs
State Avg: 13.0 Yrs
Regional Practice Density
22 Specialists

Practicing in Alton, IL (5960 Statewide)

Telehealth Adoption Rate
4.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-10-29
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

State License IL 150.118155

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Elissha Lenhardt

Counselor - Mental Health

NPI 1003219098
Jennifer Tapen

Counselor - Mental Health

NPI 1003219346
Emily Pembrook

Counselor - Mental Health

NPI 1003219478
NPI 1003494089
NPI 1003538901
Katie Holland

Counselor - Mental Health

NPI 1013310002

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
👤
Provider Name / Credentials Updated October 29, 2025

Recorded as HARLEY MASON, MSW,LSW

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 29, 2025

Social Worker (License #150.118155 in IL)

📍
Updated Practice Location September 22, 2025

Registered at 2615 EDWARDS ST, ALTON, IL 620023915 (Tel: 6184622331)

📍
Updated Business Mailing Address September 22, 2025

Registered at 902 W MAIN ST, WEST FRANKFORT, IL 628962210 (Tel: 6183262772)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 22, 2025

Counselor

NPI Profile Active August 05, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location August 05, 2025

Registered at 912 N MAIN ST APT 10, EDWARDSVILLE, IL 620251161 (Tel: 2175498446)

📍
Updated Business Mailing Address August 05, 2025

Registered at 912 N MAIN ST APT 10, EDWARDSVILLE, IL 620251161 (Tel: 2175498446)

👤
Provider Name / Credentials Updated August 05, 2025

Recorded as HARLEY MASON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2025

Social Worker

🟢
Initial NPI Registration & Enumeration August 05, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1952285694
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 05, 2025
Last Update: October 29, 2025
Sole Proprietor: No

Mailing Address

902 W Main St

West Frankfort, IL 628962210

Phone: 6183262772

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.