American Advanced Management

Health System with 3 hospitals across 1 state

Health System Overview

Health SystemAmerican Advanced Management
Total Hospitals3
Commercial/Acute Hospitals3
Total Beds289
Commercial/Acute Beds289
HeadquartersModesto, CA
Websiteamericanam.org

Hospitals by Type

Acute Care Hospital
2 hospitals
67% of health system
Critical Access Hospital
1 hospitals
33% of health system

Teaching Status

33%
Teaching
Teaching Hospitals: 1
Non-Teaching Hospitals: 2
Teaching hospitals serve as educational institutions for medical professionals while providing patient care.

Hospital Locations

Hospitals in this Health System

HospitalTypeBedsTeachingRecently Joined
Dameron HospitalAcute Care Hospital194NoYes
Colusa Medical CenterAcute Care Hospital 48YesNo
Glenn Medical CenterCritical Access Hospital 47NoNo

Recent News

Feb 28, 2025
Dameron Hospital in Stockton, California, which is managed by Modesto, California-based American Advanced Management, has agreed to a $650,000 settlement in a class-action lawsuit. The lawsuit stemmed from a ransomware attack in December 2023 that potentially exposed the data of hundreds of thousands of patients. Under the settlement, class members are eligible for up to $5,000 in losses and credit monitoring related to the breach, or cash payments of $100 for subclass members or $50 for class members. The hospital denied any wrongdoing or liability in the settlement. Becker's reached out to American Advanced Management for comment regarding the settlement.
Feb 28, 2025
Dameron Hospital, whose parent company is Modesto, Calif.-based American Advanced Management, has agreed to a $650,000 settlement for a class-action lawsuit stemming from a 2023 cyberattack. The ransomware attack in December 2023 may have exposed the data of hundreds of thousands of patients. The settlement allows class members to claim up to $5,000 for losses and credit monitoring related to the breach, or opt for cash payments of $100 for subclass members or $50 for class members. The hospital has denied any wrongdoing or liability in the lawsuit. A final approval hearing for the settlement is scheduled for May 29, 2025. [8]
Dec 06, 2024
Dameron Hospital in Stockton, California, has transitioned its management from Adventist Health to American Advanced Management, a physician-led organization based in Modesto, California. This change was effective December 2, 2024, under a new management services agreement. American Advanced Management operates 14 hospitals across five states. The President of the Dameron Hospital board, Bill Trezza, stated that ensuring the hospital remains a vital healthcare resource for the community is the top priority and appreciated Adventist Health's efforts in stabilizing and strengthening the hospital's programs and operations.
Dec 06, 2024
Madera Community Hospital is scheduled to reopen on January 13, 2025, under the management of Modesto-based American Advanced Management. The hospital, which closed in January 2023, received the first $15 million installment of a $57 million emergency loan from the Distressed Hospital Loan Program to fund improvements, equipment updates, and operational expenses including hiring and training. American Advanced Management has been actively hosting job fairs to fill over 200 staff positions and has successfully filled 135 of them so far. Officials anticipate continued staffing and growth, adding more services as the hospital reopens, which is expected to significantly benefit the City of Madera and surrounding areas by providing higher-wage jobs in the healthcare industry. [7]
Nov 20, 2024
An open case with the National Labor Relations Board (NLRB) lists American Advanced Management Group (AAMG) operating as Sonoma Specialty Hospital in Sebastopol, CA. [15] The case, numbered 20-CA-355242, was filed on November 20, 2024, and is currently open with the Region 20 office in San Francisco. [15] The allegations in this case involve potential violations under Section 8(a)(3) of the National Labor Relations Act, which relates to discrimination in terms of hire or tenure or any term or condition of employment to encourage or discourage membership in any labor organization. [15] Docket activity shows a Signed Charge Against Employer was filed on November 20, 2024, a Signed Amended Charge Against Employer on March 21, 2025, and a Consolidated Complaint was issued on April 29, 2025. [15] Shantel Hernandez, listed with American Advanced Management Group at 700 17th Street, Modesto, CA, is noted as the Charged Party / Respondent Legal Representative. [15] The specific details of the discipline allegations are not publicly available in the initial docket activity summary and may require redaction. [15]

Executive Leadership

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