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

Individual provider Psychologist · NPI 1578607743

Christyn Sieve, PSYD is a Clinical Psychologist in Portsmouth, New Hampshire. Qualified in 1999, 27 years ago. Accepts Medicare assignment and offers telehealth. Licensed in New Hampshire.

Years since qualifying
27
Licensed in
NH
In the registry since
2007
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

1 Cate St
Portsmouth, NH 03801-7108
Phone: (603) 433-2626
Fax: (603) 433-2736
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence NH964 (NH)

Record details

NPI number1578607743
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedFebruary 19, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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