Dennis Walker, LICSW
Clinical Social Worker · Portsmouth, NH
Dennis Walker, LICSW is a clinical social worker with a practice address in Portsmouth, New Hampshire, and NPI 1174569115, issued on Jun 20, 2006. Check the license (New Hampshire 1654, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Walker
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 1654 NH
1025795 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1145 Sagamore Ave, Portsmouth, NH 03801
- Phone
- (603) 431-6703
- Enumerated
- Jun 20, 2006
- Record last updated
- Aug 16, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (603) 430-3753
- Medicaid ID
- 3078870 NH
- Medicare enrollment
- Enrolled (PECOS I20171017000310); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 1,592 in New Hampshire → Look up another NPI →
Also registered at 1145 Sagamore Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill AbbottCase Manager/Care Coordinator1043473291
- Sara AmacioCase Manager/Care Coordinator1679997050
- Kayla AndersonMental Health Counselor1598425241
- Kayla ArsenaultClinical Social Worker1881172583
- Stephanie ArsenaultPersonal Care Attendant1528541380
- Emma BainCounselor1053296418
Verify Dennis Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 1654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Seacoast Mental Health Center IncPortsmouth, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Walker among 1,592 clinical social worker records in New Hampshire
Dennis Walker, LICSW is one of 1,592 clinical social worker records with a practice address in New Hampshire. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 84% newer
- In a Medicare fileYes · 18% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1993 · median 2008 among the 426 with a school on file
- Record last updated2013 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 clinical social worker records list a practice address in Portsmouth
They are 94 of the 1,860 NPPES records with a practice address in Portsmouth, and 1,592 clinical social worker records in New Hampshire.
All 1,592 in New Hampshire → Every provider in Portsmouth → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Linda Camick, LISWPortsmouth, NH 038011255346615
- Christine Curry, M.ED, LCMHCPortsmouth, NH 038011841364387
- Diana Devalk, LICSWPortsmouth, NH 038011437223971
- Debra Gilligan, LCMHCPortsmouth, NH 038011003924747
- Philip Harford, LICSWPortsmouth, NH 038011467486696
- Priscilla Healy, LICSWPortsmouth, NH 038011790747228
- Jeannine Jacques, MSWPortsmouth, NH 038011194838979
- Joanne Lindbom, MSW LICSW ACSWPortsmouth, NH 038011548289895
Common questions
What is Dennis Walker, LICSW's NPI number?
Dennis Walker, LICSW's National Provider Identifier (NPI) is 1174569115, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Walker, LICSW located?
The NPPES record lists a practice address at 1145 Sagamore Ave, Portsmouth, NH, 03801. Phone: (603) 431-6703. Providers update this record themselves, so call before visiting.
How can I verify Dennis Walker, LICSW's license?
NPPES lists New Hampshire license number 1654, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.