Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1164398160 Individual Practitioner Male Practitioner

Eric Underhill , LSW

Social Worker • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Eric Underhill, LSW is a registered healthcare professional specializing in Social Worker in Chicago, IL. Practice services are available at 5547 N RAVENSWOOD AVE STE 305 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

5547 N Ravenswood Ave Ste 305

Chicago, IL 606401125

Telephone 7735702829
Associated Practice Facility / Clinic
🏢 Positive Regard Therapy, Ltd. Facility NPI 1891331914

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 12.2 Yrs
State Avg: 13.0 Yrs
Regional Practice Density
1294 Specialists

Practicing in Chicago, IL (5960 Statewide)

Telehealth Adoption Rate
0.9% 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: 2025-10-13
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

State License IL 150.117209

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

7 Associated Practitioners
Lindsay Warriner

Counselor - Mental Health

NPI 1043926694
Paige Harper , LPC

Counselor - Mental Health

NPI 1235927922

Licensed Professional Counselor

Michael Brown , LPC

Counselor - Mental Health

NPI 1356203566

Licensed Professional Counselor

Erin Siegferth , LPC

Counselor - Professional

NPI 1396551800

Licensed Professional Counselor

John Milstone , MA

Counselor - Mental Health

NPI 1588546634

Master of Arts

Taylor White

Counselor - Professional

NPI 1740093053

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active October 15, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location October 15, 2025

Registered at 5547 N RAVENSWOOD AVE STE 305, CHICAGO, IL 606401125 (Tel: 7735702829)

📍
Updated Business Mailing Address October 15, 2025

Registered at 5547 N RAVENSWOOD AVE STE 305, CHICAGO, IL 606401125 (Tel: 7735702829)

👤
Provider Name / Credentials Updated October 15, 2025

Recorded as ERIC UNDERHILL, LSW

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 15, 2025

Social Worker (License #150.117209 in IL)

🟢
Initial NPI Registration & Enumeration October 15, 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: 1164398160
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 15, 2025
Last Update: October 15, 2025
Sole Proprietor: No

Mailing Address

5547 N Ravenswood Ave Ste 305

Chicago, IL 606401125

Phone: 7735702829

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.