Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Tristram Heyward Dashti-Gibson, LCMHC

Individual provider Mental Health Counselor · NPI 1588729990

Mr. Tristram Heyward Dashti-Gibson, LCMHC is a Mental Health Counselor in Portsmouth, New Hampshire. Qualified in 1997, 29 years ago. Practices with The Counseling Center of Nashua Inc, a 240-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maine and New Hampshire.

Years since qualifying
29
Licensed in
ME, NH
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

539 Islington St Ste 4
Portsmouth, NH 03801-4471
Phone: (603) 689-7890
Fax: (603) 883-0007
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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 · Licence 993 (NH)
Mental Health Counselor Taxonomy 101YM0800X · Licence CC3922 (ME)

Record details

NPI number1588729990
Entity typeIndividual (Type 1)
GenderMale
Credentials LCMHC
Sole proprietorNo
NPI enumeratedDecember 26, 2006
Last updated in NPPESDecember 4, 2024
Certification dateDecember 4, 2024

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice The Counseling Center Of Nashua Inc — 240 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Portsmouth