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

Seth Heirtzler

Individual provider Counselor · NPI 1588574412

Seth Heirtzler is a Counselor in Portsmouth, New Hampshire. Registered with an NPI since 2026.

In the registry since
2026

Practice location Address checks out

1145 Sagamore Ave
Portsmouth, NH 03801-5585
Phone: (603) 431-6703
Fax: (603) 430-3753
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1588574412
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 11, 2026
Last updated in NPPESSeptember 11, 2026
Certification dateSeptember 11, 2026

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