Providing Comprehensive Quality Healthcare for the Advanced Elderly

Advanced Care Medical Specialists, PC is a practice committed to the medical care of the advanced elderly. Dr. Alexander A. Stemer, the Founder of Advanced Care Medical Specialists, PC, is board-certified in Internal Medicine and Infectious Disease. Advanced Care Medical Specialists, PC employs four Advanced Practice Nurses who also have a passion for treating the advanced elderly. Our approach to comprehensive care allows us to be a leader in the communities we serve.

Watch our impact in the
patient's life

The team at Advanced Care Medical Specialists provides on-site healthcare at three extended care facilities in NWI.  They work hand-in-hand with the facilities’ staff to provide the highest quality healthcare to those recovering from hospitalization, needing rehabilitation or senior living services.

caring african medical nurse comforting senior patient in office

Extended Care

Advanced Care Medical Specialists, PC provides care to the advanced elderly in multiple extended care and rehabilitation facilities in Northwest Indiana.  We provide Nurse Practitioners and Physicians on-site to provide the highest quality care.  This allows us to continuously follow-up with our patients to keep them on the road to recovery and manage all of their medical needs.

Male Judge Writing On Paper In Courtroom

Medical Legal Consulting

Dr. Stemer has provided medical legal expert witness consulting for over 35 years.  He works with attorneys for both plaintiff and defense.  He has testified in over 50 cases and provided consulting on over 150 cases.  His thorough and precise work has led to countless victories.  He provides unbiased, high-level expert witness services.

Nurse Making Notes During Home Visit With Senior Couple

Medical Directorship

Dr. Stemer has provided medical directorship services to facilities and hospitals for 37 years.  He has piloted antibiotic stewardship and has been instrumental in reducing “return to hospital” days.

  • Medical Director – Symphony of Dyer
  • Medical Director – Symphony of Crown Point
  • Medical Director - Total Home Health
  • Co-Medical Director – Symphony of Chesterton
  • Infection Control Medical Director – Kindred Hospital Northwest Indiana
  • Antibiotic Stewardship Program Director – Vibra Hospital of Northwestern Indiana

Advanced Elderly Care is Our Specialty

Dr. Stemer has spent decades providing university quality healthcare to the residents of Northwest Indiana. He, along with four highly trained Nurse Practitioners, continue to provide the highest quality care to the advanced elderly in Lake and Porter counties.

Recovery and Rehabilitation Services

Care to Reduce Hospital Readmissions

Twenty-four Hour Call Coverage

Coordination of Care

Comprehensive Care

Facilities where we provide services

We value our patients

If you or your loved one need rehabilitative services or senior living, we provide on-site healthcare services at three locations throughout Northwest Indiana.

Symphony of Dyer

1532 Calumet Avenue
Munster, IN 46321

Symphony of Crown Point

1555 S. Main Street
Crown Point, IN 46307

Symphony of Chesterton

2775 Village Point
Chesterton, IN 46304

Meet Our Team

Alexander A. Stemer, M.D.

Dr. Stemer was born in Chicago, Illinois in 1948. He received his undergraduate degree from Northwestern University in 1969 and his medical degree from the University of Illinois School of Medicine in 1973. He completed his postgraduate training at Rush Presbyterian St. Luke’s Medical Center in Chicago, Illinois, with board certification in Internal Medicine in 1976 and Infectious Disease in 1978.

Dr. Stemer was the Founder of Medical Specialists Centers of Indiana, now Franciscan Medical Specialists, a multi-specialty physician group located in Northwest Indiana.  He is also the Founder of Advanced Care Medical Specialists, a practice committed to the medical care of the advanced elderly and is the Medical Director of multiple extended care facilities. He is a pioneer of home intravenous therapy, ambulatory infusion therapy, has pioneered a program to significantly decrease serious hospital infections, and is a leader in bringing advanced medical therapies to community healthcare.

Dr. Stemer is happily married to Dusty Stemer and is the proud father of six children. His interests include the varied activities of his family, tennis and vintage sports car racing.

Stemer - Edited

Marie Rodriguez, NP

Marie graduated from Stony Brook University in New York with her Master’s Degree in Science: Nurse Practitioner Adult Health in 2015.  She became Advanced Care Medical Specialists’ first Advanced Practice Nurse in January 2016.  Prior to receiving her Master’s Degree and becoming a Nurse Practitioner, Marie worked as a Registered Nurse for seventeen years.  Marie primarily treats patients at Symphony of Dyer.  Marie has a passion to treat dementia patients and has brought a special focus to that at Symphony of Dyer.  In her free time, Marie loves to read, travel and spend time with her family.


Erika Mullens, NP

Erika obtained her Master’s Degree in Nursing from Walden University in August 2018.  She joined ACMS immediately upon completion of her degree and successful passing of her Nurse Practitioner boards.  She spent many years working as a Registered Nurse, primarily in the Intensive Care Unit before becoming an Adult Gerontological Acute Care Nurse Practitioner.  Erika primarily treats patients at Symphony of Chesterton.  In her free time, Erika enjoys camping and traveling with her family and friends.


Sandra Rardin, NP

Sandy joined Advanced Care Medical Specialists in October 2016.  She graduated with her Master of Science in Nursing, FNP in 2012 from Indiana Wesleyan University.  She spent 12 years working in the Intensive Care Unit at St. Catherine’s Hospital as a Registered Nurse.  Sandy primarily treats patients at Symphony of Crown Point.  Sandy enjoys traveling and spending time with her family and friends.