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

Individual provider Clinical Psychologist · NPI 1225150584

Dr. Martin N Seif, PHD is a Clinical Psychologist in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

211 W 56th St Ste 8J
New York, NY 10019-4312 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 586-0434
Fax: (203) 629-1212
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 5457 (NY)

Record details

NPI number1225150584
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 5, 2007
Last updated in NPPESJuly 8, 2007

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