Meet the Board

Bio		Speciality	Board Certification
Dr. Babiak	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	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
Benson George	New York Institute of Technology	MD	Touro College of Osteopathic Medicine	Staten Island University Hospital	Maimonides Medical Center	University of Michigan	Board Certified
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
Jeff Mandel	Bingamton University	MD	Buffalo School of Medicine	New York Hospital of Queens	MT. Siani Medical Center	MT. Siani Medical Center	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
Eleazar Morris	Rice University	MD	University of Texas Health Science Center	Baylor University Medical School	Ohio State University	University of California	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
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
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
Matthew Sila	Swarthmore College	MD	Washington University in ST. Louis School of Medicine		ST. Vincent Hospital and Medical Center		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