Meet the Board

Bio Speciality Board Certification

Dr. Babiak
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Dr. Olesh Babiak joined Associates in Anesthesia on July 1, 1990 as a staff Anesthesiologist. Having served on numerous Medical staff committees, Dr. Babiak was appointed Chairman of the Department of Anesthesiology in December 1998. He has served the department in that capacity since his appointment. Dr. Babiak primarily provides anesthesia services on an inpatient basis, as he continues to serve on numerous hospital committees, including Chair of the Pharmacy & Therapeutics committee until it became a system wide committee in January 2013, as well as serving as the President of the Medical & Dental Staff of Crozer Chester Medical Center, a position he was elected to in July, 2012. Dr. Babiak primarily concentrates his anesthesia practice in neurosurgical & orthopedic anesthesia, with an emphasis on regional anesthesia & analgesia to facilitate post operative analgesia, as well as proficiency in awake intubation techniques for the management of the unstable neurosurgical spine patient. His practice of anesthesia is evidence based and he has been the recipient of several teaching awards during his career at Crozer. Dr. Babiak can be contacted via his administrative assistant, Mrs. Ann Bruni , @ 610-447-6579 or Ann.Bruni@AIAMD.com .  

 

Dr. Matthew Bellew

Dr. Matthew Bellew joined Associates in Anesthesia, Inc. in March of 2020. Dr. Bellew is board certified in anesthesia and previously served as President of Liberty Anesthesia until February 2020. Dr. Bellew currently serves as Medical Director for Special Smiles in Philadelphia, Children’s Dental Management in Philadelphia, as well as Temple University Physicians. In March 2020, Dr. Bellew was elected to the Board of Directors for Associates in Anesthesia, Inc.  

 

Dr. Catherine DiGregorio

Dr. Catherine DiGregorio joined Associates in Anesthesia, Inc. in January of 2001 and worked as an anesthesiologist at Crozer Chester Medical Center. Dr. DiGregorio is board certified in Anesthesia and Pain Management. In 2002, Dr. DiGregorio became Medical Director of Associates in Anesthesia’s Pain Management program in partnership with Crozer-Keystone Health System. Since 2002, Dr. DiGregorio has been instrumental in expanding the Pain Management program to now include 4 locations at Crozer-Chester Medical Center, Brinton Lake Surgery Center, Springfield Hospital, and Phoenixville Surgery Center in Limerick. In February 2018, Dr. DiGregorio was elected to the Board of Directors for Associates in Anesthesia, Inc.  

 

Dr. Hauser
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Dr. Adam Hauser has served as the President of Associates in Anesthesia, Inc. since 1998. He’s a board-certified anesthesiologist in practice at Crozer-Chester Medical Center for 25 years. He was part of the executive team that built and managed The Surgery Center at Brinton Lake, LLC, a 5 room multispecialty surgery center in 2006, and has served as Medical Director since inception. Since 2011, Dr. Hauser has worked with Children’s Dental Management to establish Children’s Surgery Centers at Lancaster, Malvern, Bethlehem, and Philadelphia. 

Education:

  • MD - State University New York HSC at Syracuse, Syracuse, NY (1988)
  • Internship - Internal Medicine- Hahnemann University Hospital Philadelphia, PA (1988 – 1989)
  • Residency - Anesthesiology- Hahnemann University Hospital Philadelphia, PA (1989 – 1992)
 

 

Meet our Anesthesiologists

NAME Undergraduate  Graduate Degree Medical School  Internship Residency Fellowship Board Status
               
Olesh Babiak, MD Temple University School of Pharmacy BS MD Hahnemann University Hospital of the University of Pennsylvania Hospital of the University of Pennsylvania   Board Certified 
Matthew Bellew, DO University of Pennsylvania DO Philadelphia College of Osteopathic Medicine Philadelphia College of Osteopathic Medicine Thomas Jefferson University Hospital   Board Certified 
Naeem Bhatti, MD Villanova University MD Drexel University School of Medicine University Hospitals Case Medical Center University Hospitals Case Medical Center   Board Certified 
Bryan Chambers, MD Rutgers College MD University of Medicine and Dentistry of New Jersey Hospital of the Medical College of Pennsylvania Hahnemann University Hospital   Board Certified 
Muktadir Choudry, MD University of South Carolina MD University of South Carolina Medical School Emory University Hospital Baylor College of Medicine   Board Certified 
Catherine DiGregorio, MD University of Pennsylvania MD Hahnemann Crozer Thomas Jefferson Thomas Jefferson University - Pain Mgmt & Anesthesia Board Certified in Anesthesia & Pain Medicine
Ruth Dombkoski, MD St. Joseph University MD Temple University School of Medicine Abington Hospital Temple University Temple University Cardiothoracic & Neuroanesthesia Board Certified 
Phyllis Garberman Schapire, MD La Salle University  MD Penn State University College of Medicine  Lankenau Hospital Hershey Medical Center    Board Certified in Anesthesia 
Laura Graybeal, MD Clemson University MD Penn State College of Medicine University of Virginia University of Virginia   Board Certified
Pamela Hale, MD Ursinus College MD Temple University Temple University Thomas Jefferson Thomas Jefferson University - Pain Mgmt & Anesthesia  
Adam Hauser, MD Cornell University MD S.U.N.Y. HSC at Syracuse Hahnemann University Hospital Hahnemann UniversityHospital   Board Certified
Eva Hayden-Easley, DO Rutgers University, College of Pharmacy DO UMDNJ - School of Osteopathic Medicine Mercy Suburban Hospital Montefiore Medical Center & Hahnemann University Hospital   Board Certified
Alexander Lay, MD University of Michigan MD Wayne State University School of Medicine Grand Rapids Medical Education Partners Cooper University Hospital   Board Certified
Lawrence Levit, MD Rutgers College MD Hahnemann University School of Medicine Hahnemann University School of Medicine Hahnemann University School of Medicine Virginia Mason Medical Center/Seattle & Mercy Hospital/Pittsburgh Board Certified
James Li, MD UCLA MD UCLA School of Medicine Harbor-UCLA Medical Center Hospital of the University of Pennsylvania   Board Certified
Philip McLean, MD Swarthmore College MD American University of the Caribbean MCP Hahnemann University Drexel University   Board Certified
Kavita Mehta, MD MD Bethesda Hospital University of Louiville Board Certified 
Jeffery Nachman, MD University of Pennsylvania MD Temple University School of Medicine Crozer Chester Medical Center Temple University Hospital Board Certified
Ngoc Nguyen, MD University of Delaware MD Thomas Jefferson University Hospital   Cleveland Clinic Foundation   Board Eligible
Patrick Olsen, DO Stone Hill College DO Lake Erie College of Osteopathic Medicine Hahnemann University Hospital Hahnemann University Hospital Beth Israel Deconess Medical Center Board Eligible
Meena Raman, MD R.L.T. Science College (India) MD KEM Hospital (India) - Bombay University (India) Graduate Hospital, Philadelphia Bombay University (India) - Drexel University, Philadelphia   Board Certified
Swetha Sanghvi, MD University of Maryland MD Rutgers New Jersey Medical School New York Presbyterian Hospital, Columbia University Rutgers New Jersey Medical School Board Certified 
Adam Setren, MD Vanderbilt University MD University of Maryland   Thomas Jefferson University Hospital Cooper University Healthcare Board Certified
Amin Shazly, MD Washington University of St. Louis MD Debusk College of Osteopathic Medicine Kennedy and Our Lady of Lourdes Hospital Cooper University Hospital Board Certified 
Yuri Shevchenkoa, MD   MD Kharkov Medical Institute Presbyterian Medical Center Thomas Jefferson University Hospital ST. Christopher's Hospital for Children Board Certified
Pravin Taneja, MD Penn State University MD University of Pittsburgh Medical School University of Maryland Medical Systems Temple University Hospital Children's Hospital of Pittsburgh Board Certified 
Ekaterina Veksler, MD University of Pennsylvania MD Jefferson Medical College Lankanau Medical Center Thomas Jefferson University Hospital   Board Certified
Jacek Waskiewicz, MD New York University MD Drexel College of Medicine   Baylor College of Medicine   Board Certified
Zhe Yan, MD Harbin Medical University MD Xuzhou Medical College Harbor-UCLA Medical Center Rutgers New Jersey Medical School   Board Eligible
Jialin Zhou, MD Shandong University MD Shandong University Henry Ford Hospital Henry Ford Hospital   Board Certified