Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1215241971 Individual Practitioner Female Practitioner

Dr. Erina M Hammer , PhD, LICSW, MSW

Social Worker - Clinical • Maynard, MA

Professional Overview & Biography Verified Profile Summary

Dr. Erina Hammer, PhD, LICSW, MSW is a registered healthcare professional specializing in Social Worker - Clinical in Maynard, MA. Practice services are available at 141 PARKER ST STE 306 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

141 Parker St Ste 306

Maynard, MA 017542180

Telephone 8669912103
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker - Clinical in Maynard, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 9.0 Yrs
State Avg: 25.8 Yrs
Regional Practice Density
27 Specialists

Practicing in Maynard, MA (18329 Statewide)

Telehealth Adoption Rate
0.0% 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: 2025-04-10
Social Worker - Clinical Primary Specialty

NUCC Taxonomy Code: 1041C0700X

State License WA LW60502155

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.

Social Worker - Clinical

NUCC Taxonomy Code: 1041C0700X

State License MT BBH-LCSW-LIC-50590

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.

Social Worker - Clinical

NUCC Taxonomy Code: 1041C0700X

State License ID LCSW-37405

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.

Practice Associates & Co-Workers

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

29 Associated Practitioners
Jazmyne Mitchell

Social Worker - Clinical

NPI 1013583244
Joanna Smith

Social Worker - Clinical

NPI 1033538152
Michael Schwan , LCSW

Social Worker - Clinical

NPI 1033632096

Licensed Clinical Social Worker

Shirley Reich , LCSW

Social Worker - Clinical

NPI 1063778199

Licensed Clinical Social Worker

Linda Karcher

Social Worker - Clinical

NPI 1083289995
Jacqueline Wibert

Social Worker - Clinical

NPI 1093487480

Career & Practice History Timeline

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

17 Historical Events
📍
Updated Practice Location April 10, 2025

Registered at 141 PARKER ST STE 306, MAYNARD, MA 017542180 (Tel: 8669912103)

📍
Updated Business Mailing Address April 10, 2025

Registered at 141 PARKER ST STE 306, MAYNARD, MA 017542180 (Tel: 8669912103)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 10, 2025

Social Worker (License #BBH-LCSW-LIC-50590 in MT)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 17, 2023

Psychologist

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 21, 2022

Social Worker (License #LW60502155 in WA)

📍
Updated Practice Location March 24, 2022

Registered at 546 N JEFFERSON LN STE 302, SPOKANE, WA 992017104 (Tel: 5098387400)

📍
Updated Business Mailing Address March 24, 2022

Registered at 546 N JEFFERSON LN STE 302, SPOKANE, WA 992017104 (Tel: 5098387400)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 24, 2022

Psychologist

📍
Updated Practice Location February 11, 2020

Registered at 12 SKYLINE DRIVE RD, FARMINGTON, WA 991289744 (Tel: 2087550316)

📍
Updated Business Mailing Address February 11, 2020

Registered at 12 SKYLINE DRIVE RD, FARMINGTON, WA 991289744 (Tel: 2087550316)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 11, 2020

Social Worker (License #LW60502155 in WA)

NPI Profile Active December 09, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location December 09, 2016

Registered at 202 FIRST ST, SUITE C, OAKESDALE, WA 991580000 (Tel: 2087550316)

📍
Updated Business Mailing Address December 09, 2016

Registered at PO BOX 191, OAKESDALE, WA 991580191 (Tel: 2087550316)

👤
Provider Name / Credentials Updated December 09, 2016

Recorded as ERINA HAMMER, PHD, LICSW, MSW

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 09, 2016

Psychologist (License #494074H in WA)

🟢
Initial NPI Registration & Enumeration August 04, 2010

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1215241971
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 04, 2010
Last Update: April 10, 2025
Sole Proprietor: No

Mailing Address

141 Parker St Ste 306

Maynard, MA 017542180

Phone: 8669912103

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.