| Doctor Name: | MARIANNA ZARA GRENNAN |
| NPI Number: | 1013188390 |
| Entity Type Code: | Individual (1) |
| Gender: | F |
| Credentials: | LCSW R |
| License Number: | R049385 |
| Business Practice Address: | 900 Walt Whitman Road Suite 300 Melville, NY - 11747 |
| Business Phone Number: | 6312715617 |
| Business Fax Number: | 6313851776 |
| Mailing Address: | 11 Windham Drive, SOUTH HUNTINGTON |
| State: | NY |
| Postal Code: | 11746 |
| Phone Number: | 6312715617 |
| Fax Number: | 6313851776 |
| NPI Enumeration Date: | 03/14/2008 |
| NPI Last Update Date: | 03/14/2008 |
| Replacement NPI: | 0 |
| NPI Deactivation Date: | |
| NPI Reactivation Date: |
Taxonomy Information: | |
| Healthcare Provider Taxonomy: | 1041C0700X |
| License Number: | R049385 |
| Healthcare Provider Taxonomy: (Secondary) | Y |
| State: | NY |
| Taxonomy Type: | Behavioral Health & Social Service Providers |
| Taxonomy Classification: | Social Worker |
| Taxonomy Specialization: | Clinical |
| Taxonomy Definition: | A social worker who holds a master |