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

MS. Heidi Marina Seifert

Individual provider Clinical Social Worker · NPI 1811129869

MS. Heidi Marina Seifert is a Clinical Social Worker in New York, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009

Practice location Address checks out

1727 Amsterdam Ave
New York, NY 10031-4611 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 694-9200
Fax: (212) 694-9230
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence R072690-1 (NY)

Record details

NPI number1811129869
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 10, 2009
Last updated in NPPESAugust 10, 2009

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