Stephen Mullins, CO, Practitioner
Stephen earned his bachelor of Science degree from SUNY at Cortland in 1991.  He managed a 20 bed Intermediate Health Care Facility for mentally retarded adults from 1992-1994 where his interest in orthotics developed from the physical needs of his residents.  He has been with M. H. Mandelbaum O&P since 1995 and received his ABC certification in 1998.  Steve has taken many advanced courses in pediatric and spinal bracing and enjoys specializing in both areas.  In 2000 he was one of the first practitioners certified in the Spine-Cor dynamic scoliosis system in the U.S. and in 2005 his certification was updated to include the advanced software for evaluation and treatment.  Steve has staff privileges at St. Charles Hospital, Mather Memorial Hospital, Stony Brook University Hospital and Southside Hospital.

Joseph Ahlert, CPO, Practitioner
Joe Ahlert graduated from the US Naval Academy in 1977 and was commissioned a 2^nd Lt. In the U.S. Marine Corps.  He received a medical discharge in 1979 and began pursuing a career as a Physical Therapist.  During his pre-application to Physical Therapy programs process, he met a host of Orthotists/Prosthetists and changed his career path to Prosthetic and Orthotics.
Joe graduated from NYU post graduate Medical School with a certificate in Prosthetics & Orthotics in 1982.  He has had the pleasure of seeing major developments in technology and their effects on the care that can be provided to his patients.
Joe has specialized in lower extremity prosthetics for over 25 years.  In addition, he has enjoyed specializing in pediatric Orthotic and prosthetic care.  Joe brings nearly 30 years of experience and a strong passion for his work to the office everyday.

Terri Conigliaro, Office Manager
Terri brings 15 years of  experience to M. H. Mandelbaum O & P as office manager. She oversees the busy scheduling of all patients and practitioners. Terri is in charge of the accounts receivable from billing the carrier to posting all payments and collections.

Ann Kollmer, Front Office Staff
Ann has had years of clerical experience in a health related environment. You will sense her cheerful smile even when you speak to her on the phone. Ann verifies insurance benefits, performs patient scheduling, updates patient information and expedites insurance payments.

Michele Cernese
Michele is also responsible for verifying insurance benefits, patient scheduling, updating  patient information and expediting insurance payments. Michele has years of experience in the insurance industry.

Phyllis Mandelbaum, Certified Mastectomy Fitter
Phyllis has been with MHMOP since its inception. As a certified mastectomy fitter, Phyllis has brought knowledge and compassion to the post-mastectomy population. Phyllis enjoys helping her clients feel good about themselves. Phyllis also handles transcriptions for the company practitioners.