To ensure the highest level of care for inpatient needs, Noble AMA IPA is contracted with several of the region’s top hospitals. Please review the list of links below for our network of contracted hospitals. Feel free to contact us with any questions.

Our hospital network handles inpatient services. If you have an emergency, call 911 or go to the closest emergency room. Once you are stable, you will be transferred to an in-network facility for the remainder of your care.

Children’s Hospital of Orange County

  • Phone: (714) 997-3000
  • Address: 455 S Main St, Orange, CA 92868, USA

UCI Health- Fountain Valley

  • Phone: (714) 966-7200
  • Address: 17100 Euclid Street, Fountain Valley, CA 92708, USA

Garden Grove Hospital and Medical Center

  • Phone: (714) 537-5160
  • Address: 12601 Garden Grove Blvd, Garden Grove, CA, USA

MemorialCare Orange Coast Medical Center

  • Phone: (714) 378-7000
  • Address: 9920 Talbert Avenue, Fountain Valley, CA 92708, USA

If you have an IPA patient that is requiring hospital emergency or in-patient services, you must contact the appropriate Hospitalist to admit your patient. The Hospitalist will manage all aspects of inpatient care and if necessary, will call in a Noble AMA IPA contracted specialist to consult.

Noble’s Hospitalist Information


  • Jin-Jou Lu, MD:
    Office: (714) 436-0111
    Fax: (714) 545-5675

Pediatrics Hospitalists

  • Dr. Jacob Wolzstejn:
    Office: (714) 754-1444
    Fax: (714) 754-7009
  • Dr. Juan Estrada
    Office: (714) 754-1444
    Fax: (714) 754-7009
  • Dr. Raul Estrada
    Office: (714) 754-1444
    Fax: (714) 754-7009