Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Kelly Hartley Mackusick, LCSW

Individual provider Clinical Social Worker · NPI 1427539378

Kelly Hartley Mackusick, LCSW is a Clinical Social Worker in Portland, Maine. Qualified in 1996, 30 years ago. Practices with Mercy Hospital, a 308-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
30
Licensed in
ME
In the registry since
2018
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

980 Forest Ave Ste 207
Portland, ME 04103-3336
Phone: (207) 347-6106
Fax: (207) 347-6113
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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 · Licence LC6482 (ME)

Record details

NPI number1427539378
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 28, 2018
Last updated in NPPESMarch 12, 2026
Certification dateMarch 12, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Mercy Hospital — 308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Colleagues at Mercy Hospital

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 308 clinicians in the practice; 12 are shown here.

Other providers in Portland