Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Kelly Lynn O'Brien, MSW

Individual provider Clinical Social Worker · NPI 1043734783

Kelly Lynn O'Brien, MSW is a Clinical Social Worker in Lansing, Michigan. Qualified in 2014, 12 years ago. Practices with Antoinette Peterson, LLC, an 8-clinician group and accepts Medicare assignment.

Years since qualifying
12
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

913 W Holmes Rd Ste 143
Lansing, MI 48910-0435
Phone: (231) 342-2534
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1043734783
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedAugust 2, 2017
Last updated in NPPESAugust 2, 2017

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Antoinette Peterson, Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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