Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Katie-Lynne Sonia, MSW

Individual provider Mental Health Counselor · NPI 1275047078

Katie-Lynne Sonia, MSW is a Clinical Social Worker in Boston, Massachusetts. Qualified in 2017, 9 years ago. Practices with Sondermind Provider Network LLC, a 1,258-clinician group and accepts Medicare assignment.

Years since qualifying
9
In the registry since
2017
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

85 E Newton St
Boston, MA 02118-2841
Phone: (617) 414-8336
Fax: (617) 414-8333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1275047078
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedDecember 1, 2017
Last updated in NPPESDecember 1, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Sondermind Provider Network Llc — 1258 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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