Dr. William Martin Greenstadt, PHD
Dr. William Martin Greenstadt, PHD is a Psychoanalysis Psychologist in New York, New York. Practices as a sole proprietor. Licensed in New York.
- Licensed in
- NY
- In the registry since
- 2006
- Specialties on file
- 2
What do these letters mean?
- PHD — Doctor of Philosophy
- A research doctorate. In healthcare it usually sits alongside a clinical licence.
Practice location Address checks out
232 Madison Ave Ste 1308New York, NY 10016-2901
Phone: (212) 686-9256
Fax: (212) 686-4104
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Psychoanalysis Psychologist (primary) | Taxonomy 103TP0814X · Licence 000338-1 (NY) |
|---|---|
| Psychologist | Taxonomy 103T00000X · Licence 002936-1 (NY) |
Record details
| NPI number | 1922021559 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | PHD |
| Sole proprietor | Yes |
| NPI enumerated | July 25, 2006 |
| Last updated in NPPES | September 11, 2025 |
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