GMP Network Team


Angela Vanker

Executive Director, GMP Network

Angela Vanker has over 15 years of experience working with and advocating for physician practices. She served as the Director of Practice Transformation at Alliance Health, where she designed and implemented integrated care teams in primary care, including care management and behavioral health. She also served as a Director of Quality Initiatives at MPRO, a quality improvement service provider for the State of Michigan. Angela received her Masters of Public Health from SUNY-Albany School of Public Health in 2005 and her Bachelors of Science from Lyman Briggs School at Michigan State University in 2003.

James C. Martin, D.O.

Medical Director

Graduated from Des Moines University Osteopathic Medical School in 2002. Joined GMPN in 2012 as Medical Director in charge of the Blue Care Network contract. Dr. James Martin is board certified in Family Medicine and practices in Shelby Township. He has experience being an employed physician for ten years as part of the Henry Ford Health System and as a private practice physician since 2016.

Bruce Kelly

Business Operations Director

Bruce Kelly comes to GMP Network with many years of healthcare IT and financial experience previously serving as CIO of POH Medical Center (now McLaren Oakland) and Mercy Memorial Hospital System (now ProMedica Monroe). In Bruce’s previous roles he has been responsible for the implementation and optimization of hundreds of computer applications including hospital and ambulatory EMR systems.

Orchid Beatty

Director, Clinical Operations

Orchid Beatty has been a member of GMP Network since 2008 supporting the organization practices with clinical integration activities, education and support service needs.

Terri Howell

Business Operations Manager

Terri Howell is an accomplished professional with 16 years of medical billing experience and she became a Certified Outpatient Coder in April 2017. Terri is also a member of AAPC and belongs to the Macomb Township chapter. Terri became a Certified Documentation Expert Outpatient in May 2019 and a Certified Compliance Officer in April 2022.

Salvatore Palmeri

Data Analyst

Salvatore (Sam) Palmeri graduated from Oakland University in Rochester MI with a Bachelor of Science in Computer and Information Science in 1982 and has since worked in Information Technology doing application development, web development and data analysis. Working mainly within automotive IT industry for 30 years, he transitioned to the health care IT industry in 2012 when he joined GMPN’s Data Analytics department

Amecia Matthews

Clinical Integration Coordinator

Amecia Neal has over seven years of experience as a certified medical assistant. She has a Bachelor’s degree in Health Science from Kaplan University.

Jason Wrobel

Business Analyst

Jason Wrobel has 12 years of experience in health insurance working with membership, claims and benefits. He has a Bachelor of Arts and Green Belt in Six Sigma from the University of Michigan.

Amber Bartoli

Executive Assistant

Amber Bartoli graduated from Oakland University in Rochester MI with a Bachelor of Arts in Psychology. She has over 15 years of administrative experience and transitioned from the legal field to GMP Network in July 2019.

Amanda Gervel

Care Management Coordinator

Amanda Gervel studied Health Sciences at Baker College and became a Medical Assistant in 2010. She has spent her career working in outpatient clinics specializing in OB/GYN, pediatrics, adult medicine, dermatology, and surgical.

Tiffini Jones

Clinical Care Manager

Tiffini Jones has over 20 years of experience in primary care with a primary focus on managing chronic diseases, quality improvement, prevention, health maintenance and diabetes management and education. Tiffini is a Registered Nurse and Certified Diabetes Care and Education Specialist and she earned her BSN from University of Detroit Mercy along with her BBA in Health Administration from Davenport University.

Amanda Miller

Clinical Quality Coordinator

Amanda Miller graduated from Wayne State University with a bachelor’s degree in Public Health and is currently obtaining her Master of Public Health from Central Michigan University. Amanda has over 10 years of experience as a certified medical assistant working in various clinics such as pediatrics, internal medicine, and hospitals. She is also ¼+ blood quantum Native American and is a member of the Red Cliff Band of Lake Superior Chippewa Indians.

Monica Brydges

Clinical Quality Coordinator

Monica Brydges graduated from Madonna University with a degree in Health Sciences concentrated in Population Health. Monica has experience working within a managed care organization working with their Medicare population.

Melissa Slater

Community Health Worker

Melissa Slater is a 2007 Graduate of Baker College, Medical Administration Program. In 2008 she was certified as a CPC through AAPC. She gained experience working in OBGYN, Family Medicine, and Chiropractic Care. She worked as an Adjunct Faculty member with Baker College in the Medical Coding Program. She has 15 years’ experience in General Business Management. In 2021, she married her experiences in Education, Business Leadership, and Medical Administration and obtained her Certification in Community Health Work through MICHWA.

Michelle Frederick, RN, BSN

Clinical Care Manager

Michelle Frederick is a graduate from University of Michigan and has over 30 years of experience including clinical quality programs such as Physician Delivered Care Management (PDCM). Michelle has extensive experience in inpatient medical-surgical, home care, and outpatient practices. Michelle has specialized in many areas including gastroenterology and infectious disease. Michelle is a Registered Nurse with a Bachelor of Science in Nursing degree.

Aleksandra Vucevski

Quality Informatics Analyst

Aleksandra Vucevski graduated from Oakland University with her master's degree in Public Health in 2020. She has population health experience working on a local government level and with a FQHC in Detroit.