JOINDER AGREEMENT

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                                                                    Exhibit 10.1

                                JOINDER AGREEMENT

          THIS JOINDER AGREEMENT (the "Agreement"), effective as of August 1,
2005, is by and between CARDIOVASCULAR SPECIALTY CENTERS OF UTAH, LP, a Delaware
limited partnership (the "Subsidiary"), and BANK OF AMERICA, N.A., in its
capacity as Administrative Agent under that certain Amended and Restated Credit
Agreement (as it may be amended, modified, restated or supplemented from time to
time, the "Credit Agreement"), dated as of June 22, 2004, by and among IASIS
HEALTHCARE LLC, a Delaware limited liability company (the "Borrower"), the
Guarantors, the Lenders and Bank of America, N.A., as Administrative Agent,
Swingline Lender and L/C Issuer. All of the defined terms in the Credit
Agreement are incorporated herein by reference.

          The Loan Parties are required by Section 7.11 of the Credit Agreement
to cause the Subsidiary to become a "Guarantor".

          Accordingly, the Subsidiary hereby agrees as follows with the
Administrative Agent, for the benefit of the Lenders:

          1. The Subsidiary hereby acknowledges, agrees and confirms that, by
its execution of this Agreement, the Subsidiary will be deemed to be a party to
the Credit Agreement and a "Guarantor" for all purposes of the Credit Agreement,
and shall have all of the obligations of a Guarantor thereunder as if it had
executed the Credit Agreement. The Subsidiary hereby ratifies, as of the date
hereof, and agrees to be bound by, all of the terms, provisions and conditions
applicable to the Guarantors contained in the Credit Agreement. Without limiting
the generality of the foregoing terms of this paragraph 1, the Subsidiary hereby
jointly and severally together with the other Guarantors, guarantees to each
Lender and the Administrative Agent, as provided in Article IV of the Credit
Agreement, the prompt payment and performance of the Obligations in full when
due (whether at stated maturity, as a mandatory prepayment, by acceleration or
otherwise) strictly in accordance with the terms thereof.

          2. The Subsidiary hereby acknowledges, agrees an