| Company | LENOX HILL PHO IPA NO. 6, INC. |
| Business Number | 1995381 |
| Company | LENOX HILL PHO IPA NO. 3, INC. |
| Business Number | 1995502 |
| Company | LENOX HILL PHO IPA NO. 1, INC. |
| Business Number | 1995495 |
| Company | LENOX HILL PHO IPA NO. 4, INC. |
| Business Number | 1995784 |
| Company | LENOX HILL PHO IPA NO. 5, INC. |
| Business Number | 1995387 |