SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                   FORM 12b-25
                         Commission File Number 0-26575
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                           NOTIFICATION OF LATE FILING

      (Check One): [ ] Form 10-K [ ] Form 11-K [ ] Form 20-F [X] Form 10-Q
                                 [ ] Form N-SAR

For Period Ended:  03/31/01
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[  ] Transition Report on Form 10-K     [  ] Transition Report on Form 10-Q
[  ] Transition Report on Form 20-F     [  ] Transition Report on Form N-SAR
[  ] Transition Report on Form 11-K

For the Transition Period Ended:

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Read attached instruction sheet before preparing form. Please print or type.

         Nothing in this form shall be construed to imply that the Commission
has verified any information contained herein.

         If the notification relates to a portion of the filing checked above,
identify the Item(s) to which the notification relates:
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     Part I. Registrant Information

Full name of registrant:   U.S. NeuroSurgical, Inc.
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Former name if applicable:---------------------------------------------------
Address of principal executive
office (Street and number):   2400 Research Boulevard
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City, State and Zip Code:     Rockville, Maryland 20850
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     Part II. Rule 12b-25 (b) and (c)

         If the subject report could not be filed without unreasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
following should be completed. (Check box if appropriate.)

         (a) The reasons described in reasonable detail in Part III of this form
could not be eliminated without unreasonable effort or expense; [X]

         (b) The subject annual report, semi-annual report, transition report on
Form 10-K, 20-F, 11-K or Form N-SAR, or portion thereof will be filed on or
before the 15th calendar day following the prescribed due date; or the subject
quarterly report or transition report on Form 10-Q, or portion thereof will be
filed on or before the fifth calendar day following the prescribed due date; [X]
and

     (c) The accountant's statement or other exhibit required by Rule 12b- 25(c)
has been attached if applicable. [ ]

     Part III. Narrative

         State below in reasonable detail the reasons why Form 10-K, 11-K, 20-F,
10-Q, N-SAR or the transition report portion thereof could not be filed within
the prescribed time period. (Attach extra sheets if needed.)

The Registrant is awaiting certain financial information and is performing
additional reviews that have caused a delay in the determination of certain
items to be included in the Registrant's financial statements for the quarter
ended March 31, 2001 and the disclosure in certain Items in the Form 10-Q.

     Part IV. Other Information

     (1) Name and  telephone  number  of  person  to  contact  in regard to this
notification

     Alan Gold                        (301)        208-8998
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                   (Name)           (Area code)  (Telephone number)

     (2) Have all other periodic  reports  required under Section 13 or 15(d) of
the Securities  Exchange Act of 1934 or Section 30 of the Investment Company Act
of 1940  during the  preceding  12 months or for such  shorter  period  that the
registrant was required to file such report(s) been filed?  If the answer is no,
identify report(s). [ X ] Yes [ ] No






     (3) Is it anticipated that any significant  change in results of operations
from the corresponding  period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof? [ ]
Yes [ X ] No

         If so: attach an explanation of the anticipated change, both
narratively and quantitatively, and, if appropriate, state the reasons why a
reasonable estimate of the results cannot be made.


                            U.S. NeuroSurgical, Inc.
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                  (Name of registrant as specified in charter)

Has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.

Date  5/15/01                       By  /s/ Alan Gold
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                                    Name: Alan Gold
                                    Title: President and Chief Executive
                                            Officer