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Staff Members
Douglas A. Schultz, MD
Douglas A. Schultz, MDDr. Douglas A. Schultz, a native of Niagara Wheatfield, received his Bachelor of Arts Degree at the University of Rochester and has a Master of Science degree from Syracuse University in Behavioral Neuroscience. He attended medical school at the State University of New York at Buffalo and graduated in 1996. He completed his residency at the Children's Hospital of Buffalo in June 1999 and is Board Certified by the American Board of Pediatrics.
Joseph C. Wittmann, Jr., MD
Joseph C. Wittmann, Jr., MDDr. Joseph C. Wittmann, Jr.  received his Bachelor of Science and Master of Science degrees in Medical Technology at the State University of New York at Buffalo. He attended medical school at the State University at Buffalo and graduated in 1996. He completed his residency in Pediatrics at the Childrens Hospital of Buffalo in June 1999 and is Board Certified by the American Board of Pediatrics.  Dr. Wittmann was raised nearby in the Sweet Home area and a father of 3 boys.
Ann Marie Jobes, MD
Ann Marie Jobes, MDDr. Ann Marie Jobes received her Bachelor of Science in Biology Summa Cum Laude at Canisius College in 1997 and graduated from the State University of New York at Buffalo School of Medicine and Biomedical Sciences in 2001. She completed her residency at the Women & Children's Hospital of Buffalo in June 2004 and completed a one year Pediatric Chief Residency at Women and Children's Hospital of Buffalo in June 2005. Dr. Jobes is Board Certified by the American Board of Pediatrics.  She was raised in the Town of Tonawanda and a mother of three children.
Michelle M. Myers, MD
Michelle M. Myers, MDDr. Michelle M. Myers completed her Bachelor of Science degree in Biomedical Sciences and her Bachelor of Arts in Physical Anthropology both Summa Cum Laude at The University of Buffalo in 2009. She studied medicine at the State University of New York at Buffalo School of Medicine and Biomedical Sciences, and graduated in 2013. She continued on to pediatric residency training at the Women and Children’s Hospital of Buffalo, and completed this in 2016. She then served for one year as Pediatric Chief Resident at Women & Children’s Hospital of Buffalo through June 2017. Dr. Myers is Board Certified by the American Board of Pediatrics. She has lived in Buffalo all of her life and is now raising her young family in the area. She is very excited to join our team at Wheatfield Pediatrics and looks forward to getting to know our wonderful families!
 
Lindsay A. Gliss, C-PNP
Lindsay A. Gliss, C-PNPLindsay Gliss, C-PNP completed her master of science degree as a pediatric nurse practitioner at SUNY at Buffalo in June of 2010.  She was certified in 2013 by the Pediatric Nursing Certification Board.  Lindsay joined the Wheatfield Pediatrics family in March 2017 as a part-time practitioner.  She also works as a nurse practitioner for the Oishei Children’s Hospital Youth Link Program  which provides services to youth and young adults, ages 13-24, who identify as LGBTQ+, are living with or are at risk for HIV and STIs, are experiencing homelessness, sexual abuse, substance use and/or mental health related issues.  Lindsay is a current member of the National Association of Pediatric Nurse Practitioners. 
Dominique Guerra, FNP-BC
Dominique Guerra, FNP-BCDominique Guerra, FNP-BC completed her master of science degree as a certified family nurse practitioner at D’Youville College in May of 2017.  She joined the Wheatfield Pediatrics family after she completed her preceptorship here in June 2017.  She was board certified in 2017 by the American Nurses Credentialing Center.  Prior to working at Wheatfield Pediatrics she was a registered nurse for 5 years at Oishei Children’s Hospital.  She is a current member of the National Association of Pediatric Nurse Practitioners.
Keith Klostermann, PhD, LMHC, LMFT
Keith Klostermann, PhD, LMHC, LMFTDr. Keith Klostermann is an award-winning clinician, educator, and researcher. He is an internationally-recognized expert in the use of Behavioral Couples Therapy for Substance Use Disorders (BCT-SUD) and a Fulbright Specialist with the US Department of State. Dr. Klostermann is licensed as both a mental health counselor and marriage and family therapist, is an AAMFT Approved Supervisor, and is recognized as a Nationally Certified Counselor (NCC) and certified family therapist (CFT). Most recently, Dr. Klostermann was selected as a Diplomate and Clinical Mental Counseling Specialist in both Couples and Family Counseling and Military Counseling by the American Mental Health Counselors Association (AMHCA).  In addition to his role at Wheatfield Pediatrics, he is also an Assistant Professor in the Clinical Mental Health Counseling and Marriage and Family Therapy programs at Medaille College in Buffalo, NY.
Victoria A. Neudecker, DO
Victoria A. Neudecker, DODr. Victoria Neudecker started with Wheatfield Pediatrics in July 2016.  She graduated from Lake Erie College of Osteopathic Medicine located in Erie Pennsylvania with her doctorate degree in osteopathic medicine in June 2013.   She completed her 3 year pediatric residency program locally at Women and Children's Hospital of Buffalo.  She is board certified by the American Board of Pediatrics.  Her professional associations and memberships include the American Osteopathic Association, American Academy of Pediatrics and Buffalo Pediatric Society.  Dr. Victoria is currently welcoming new patients.  
Mark Pinzel, RPA-C
Mark Pinzel, RPA-CMark Pinzel, RPA-C received a Bachelor of Science Degree at Niagara University in Biochemistry with a minor in Biology in 1997 graduating Magna Cum Laude and a Bachelor of Science Degree in Physician Assistant at D'Youville College in 2000 graduating Magna Cum Laude. Mark previously worked as a Physician Assistant at Suburban Pediatrics for 7 years before joining our practice on November 5, 2007. Areas of special interest include Asthma and Orthopedics. Mark is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is a member of the Western New York Physician Assistant Association, American Academy of Physician Assistants and the Society for Physician Assistants in pediatrics. Mark is a native of Grand Island and father of three children.
Susan Stead, C-PNP
Susan Stead, C-PNPSusan Stead, C-PNP received her Bachelor of Arts Degree at Niagara University in 1989 and graduated with a Master of Science degree in 2000 from SUNY @ Buffalo specializing as a Nurse Practitioner in Pediatrics. Susan worked in the Neonatal Intensive Care Unit at Childrens Hospital of Buffalo for 8 years as well as a practicing Nurse Practitioner in the Emergency Department, Rainbow Pediatrics, and Night Call, an after hours telephone triage service affiliated with Independent Health. Susan is the founder and practicing Nurse Practitioner of Kidz Xpress, a pediatric after hour care facility. Susan is a member of NAPNAP (National Association of Pediatric Nurses and Practitioners).  She is a native of North Tonawanda and a mother of 3 boys.
Jennifer A. Manka, PNP
Jennifer A. Manka, PNPJennifer A. Manka,  PNP received her Bachelor of Science degree in Nursing from Niagara University in 1993 and in 1999 completed the Pediatric Nurse Practitioner program at SUNY @ Buffalo where she received her Masters of Science degree.  Jennifer previously worked at Village Pediatrics as a nurse practitioner and prior to that she was a clinical nursing instructor at Niagara University.  Jennifer is a member of New York State Nurses Association (NYSNA) and the National Association of Pediatric Nurse Associates & Nurse Practitioners (NAPNAP).  Jennifer is also active in TWIGS of Buffalo which is a fundraising arm to benefit Women and Children's Hospital of Buffalo.  She is a native of Williamsville and a mother of 3 children.