Lainie Cox
Lainie CoxChief Executive Officer

Lainie has been in the health care industry for over 20 years. She has extensive knowledge of out of network for both facilities and private practices as she was an owner/operator of both for over 15 years. She sat on the advisory board of many medical/billing schools, and her company is a registered site for fieldwork credits for new billers/coders.

Her years of experience helping medical practices to succeed makes her uniquely qualified to assess and analyze your practice’s business operations. The combination of expertise in practice operations along with her team of certified medical coders and billers results in outstanding collections and satisfaction on behalf of her clients.

Maggie Willard
Maggie WillardChief Operating Officer

Maggie was a high level employee of one of the major insurance carriers for 19 years. She then decided to take her knowledge and experience and represent the physicians in helping to achieve their maximum reimbursement.

In 2010, she was hired by Lainie Cox to manage the billing department for an ASC that she was co-owner of. With Lainie’s incredible experience in owning and running multiple medical practices, together, in 2013 they created AMS.

Keeping AMS’s specialty limited to out of network billing for professionals and facilities, allows AMS to stay focused on the latest strategies in obtaining the physicians’ rightful reimbursement.

Team Members

Amy Fingeret
Amy FingeretChief of Human Resources

Ms. Fingeret brings her thirty plus years of experience managing people and running successful businesses to AMS. Her unique style of making people feel comfortable and organizational skills make her a true asset to the company. Ms. Fingeret is responsible for hiring, managing and coaching staff. She is also responsible for administration of the benefits and overall office responsibilities.

Jaclyn Lichtenberger
Jaclyn LichtenbergerManager of Surgical Division Small Group

Jaclyn has been with AMS since 2013 at its inception. She brings with her 15 years of out of network experience dealing with all surgical claims, negotiations, bringing doctors out of network, credentialing, and medicare applications.

Desiree Brown
Desiree BrownDirector of Multispecialty Practices

Desiree, who earned her Bachelor’s Degree in Health Services Management from Berkeley College, has been with AMS since 2014, and  brings with her over 20 years of experience in out of network multispecialty groups. She manages and oversees a large team of employees and has had record breaking results for her teams clients.

Elizabeth Pergola, CPC
Elizabeth Pergola, CPCDirector of Orthopedic Services
  • AAPC Medical Professional Coder (2009)
  • Medical Billing and Coding Certificate from Fairleigh Dickinson College (2005)
  • NHA Medical and Billing Certificate – with ICD10 (2014)
  • 17 years’ experience in ASC and Professional Medical Billing and Coding
  • Experience in Physician Credentialing
  • Certification in Network Administration – Computer Operations (Bergen Comm College)
  • Worked at AMS since May 1, 2017
  • Bilingual in Spanish
Keira Espinosa
Keira EspinosaManager of Orthopedic Division

Keira has been with Affinity since May 2015 and brings a decade of experience in the out of network arena. Her expertise is in high-volume multi-physician surgical practices.

Hannah Irwin
Hannah IrwinManager of Corporate Clients

Hannah brings 15 years experience in the out of network model. She is our direct liaison for our large corporate-run practices.

Minorka Uben
Minorka UbenDirector of ASC Division

Minorka brings 20 plus years’ experience in OON billing/collections/negotiations. She is the team leader for our surgical center division. Minorka brings her expertise, professionalism, and dedicated work ethic to AMS. She has been with the company since 2014.

Cheryl Meffen
Cheryl MeffenManager of Multispecialty Surgery Groups

Cheryl has been with Affinity since April 2016 and has been doing medical billing since 1998.

She has worked with out of network & in network providers for multispecialty groups and has a vast knowledge of intra-office management with these clients. She helps prepare staff to coordinate the difficult challenges they face with adding multiple specialties.