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

Mr. Dennis Walker, LICSW

Individual provider Clinical Social Worker · NPI 1174569115

Mr. Dennis Walker, LICSW is a Clinical Social Worker in Portsmouth, New Hampshire. Qualified in 1993, 33 years ago. Practices with Seacoast Mental Health Center Inc, a 45-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New Hampshire.

Years since qualifying
33
Licensed in
MA, NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1145 Sagamore Ave
Portsmouth, NH 03801-5503
Phone: (603) 431-6703
Fax: (603) 430-3753
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 1654 (NH)
Clinical Social Worker Taxonomy 1041C0700X · Licence 1025795 (MA)

Record details

NPI number1174569115
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESAugust 16, 2013

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Seacoast Mental Health Center Inc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Portsmouth