Meet our Enrollment Experts and Specialists

Larry DeHoyos, CPCS, PESC, is a member of TMG’s Payer Enrollment Institute and Practice Management Alliance.

As director of credentialing and payer enrollment with U.S. Dermatology Partners in Dallas, he oversees the organization’s health plan enrollment and provider credentialing functions for its 106 sites across the country.

His focus includes centralizing systems and workflows and collaborating to help mitigate enrollment claim denials.

DeHoyos has worked in provider credentialing and enrollment within managed care organizations, health systems, and single-specialty/multi-specialty medical groups supporting accrediting bodies such as The Joint Commission, NCQA, URAC, AAAHC, and CMS.

He is a trained transformational healthcare champion whose expertise includes Lean workflow assessments for a paperless office environment, data governance, and provider directory management.

Jammal Dorsey, MBA, CSP, CSM, CSPO, is an energetic healthcare product manager and mentor with more than 15 years of experience in revenue cycle management and provider enrollment.

He has spent his career working with federal, state, national, and regional healthcare organizations developing innovative solutions to reduce the complexity of healthcare data management.

At CAQH, Dorsey collaborates with provider groups and health plans to streamline data exchange and other processes, aiming to improve the transparency and efficiency of provider enrollment and other use cases.

An example of his efforts is ProView for Groups, which simplifies the process of maintaining and sharing delegated provider data used for provider enrollment, delegation oversight, and directory maintenance.

Dorsey holds a Bachelor of Science in medical information technology from the University of West Florida and an MBA in business intelligence and analytics from H. Wayne Huizenga School of Business and Entrepreneurship at Nova Southeastern University.

Sierra Farleman began working for Novitas Solutions as a customer service representative in the provider enrollment department.

She then moved onto processing provider enrollment applications as a credentialing specialist.

In that role, she started by processing paper applications and later moved on to processing PECOS applications.

In 2018, she was hired within the provider outreach and education department as the provider enrollment liaison. In this current position, she spends the majority of her time providing education to the provider community to ease the transition into the Medicare program.

Farleman holds a bachelor’s degree in education from Shippensburg University.

Donna Goestenkors, CPMSM, is a consultant, speaker, author, educator, and mentor with more than 40 years of knowledge and experience in the medical staff services industry.

She has expertise in virtually every type of healthcare organization, including hospital systems, medical staff services departments, CVOs, managed care organizations, group practices, and academic and critical access hospitals.

Goestenkors is a past president of the National Association Medical Staff Services and serves as executive faculty for TMG University and the Executive MSP Program.

Lauren Hulls, JD, practices in the areas of regulatory compliance, reimbursement, billing, and payment practices. She provides counsel in developing strategies and policies for healthcare entities to ensure compliance with the Medicare and Medicaid programs, including provider-based issues, provider enrollment, evaluation of payment, disclosure, and compliance issues.

Lauren advises a variety of healthcare clients including hospitals, health systems, home health agencies, hospice agencies, and physician practices.

With the changes in Medicare reimbursement in recent years, Lauren has assisted clients with expanding service lines into freestanding payment models, with a focus on compliance with a number of different Medicare supplier types, including Independent Diagnostic Testing Facilities, Independent Laboratories, Durable Medical Equipment, Federally Qualified Health Centers, and Rural Health Centers.

In her free time, Lauren enjoys spending time with her husband and three kids.

Brian Jent works to solve licensing and regulatory issues with hospitals, ambulatory centers, and postacute providers, including nursing facilities, home health agencies, and hospices.

He is often asked how providers can expand services under current restrictions and assists clients with compliance and reimbursement issues at the local, state, and federal levels. Jent is also a conduit to CMS, state agencies, and accreditation organizations for his clients.

He regularly works with clients regarding provider enrollment and certification issues, specifically Medicare and Medicaid enrollment and participation requirements.

A member of the American Health Lawyers Association, Indiana State Bar Association, and the Health Care Compliance Association, Jent maintains his licensure and status as a Registered Respiratory Therapist and Registered Pulmonary Function Technologist.

Having worked in the hospital setting for more than 10 years prior to becoming an attorney, he understands the needs of healthcare providers and works with clients to provide practical and efficient solutions.

In his free time, Jent enjoys spending time with his wife and three sons, playing golf, and reading.

Abby Kaericher, JD, practices in healthcare law with a focus on government relations and antitrust.

She is active in the lobbying activities of Hall, Render, Killian, Heath & Lyman health law firm, representing the interests of healthcare clients.

She developed an interest in antitrust after working with the Federal Trade Commission’s healthcare division. Kaericher earned her undergraduate degree in biology from Indiana University, her master's degree in Biology from Purdue University, and her JD with a Graduate Certificate in Health Law from Saint Louis University.

While in law school, she served as an editor for the Saint Louis University Journal of Health Law & Policy.

Additionally, she worked as a pediatric medical assistant.

Nicole Keller, BS, MSHM, CPHQ, CPHIT, CSM, is a corporate quality assurance officer with Incyte Diagnostics, Inc.

She provides leadership and oversight in the areas of technical and professional quality assurance and improvement; compliance; hospital credentialing and privileging; medical licenses and certification; and payer enrollment.

Keller possesses the ability to clearly design and implement affordable, patient-centered systems and processes and form organizational collaborations to deliver cost-effective care.

She is recognized by supervisors, peers, and staff for the ability to identify and analyze problems, interpret data, and recommend practical, acceptable solutions while developing strong teams and an organizational culture of continuous improvement and innovation.

She is also adept at staying abreast of best practices in various healthcare settings needed to improve quality and drive change.

Keller received her bachelor’s degree in community health from Western Washington University and her MHA from Champlain College.

She is certified in Health Information Technology, Healthcare Quality Improvement, and Agile Project Management (Scrum Master).

Family (fur babies included), physical fitness, nutrition, and mentoring/coaching high school and collegiate athletes are important aspects of Nicole’s personal life.

Todd Selby, JD, focuses on regulatory and compliance issues affecting all healthcare providers with an emphasis on long-term care, home health, and hospice providers.

His practice is concentrated in the areas of licensure, certification, compliance, and reimbursement at the local, state, and federal levels.

He also assists clients with Medicare and Medicaid enrollment and participation requirements and serves as a liaison between clients and regulatory agencies.

Selby has extensive knowledge and experience in these areas and is recognized nationally by long-term care, home health, and hospice clients for his skills and proficiency.

In addition to his representation of this unique client base, he frequently speaks before national and state healthcare providers and associations.

Yesenia Servin, CPMSM, has more than 20 years of experience in payer enrollment and physician credentialing and is currently the payer enrollment lead at Loyola University Medical Center in Maywood, Illinois.

There, she manages payer enrollment projects, briefs payer enrollment team members on industry trends, and is the liaison for the multitude of departments impacting payer enrollment processes.

She also maintains her own consultancy, where she helps organizations develop and implement best practices guidelines and processes; analyzes a variety of commercial, private, and governmental claim filings; and manages credentialing processes for network participation agreements.

Servin is a leading member of TMG’s Payer Enrollment Institute and serves as associate faculty on the Speakers’ Team.

Rachelle Silva, BBM, CPMSM, CPCS, is a dual-certified medical services professional with a bachelor’s degree in business management and 23 years of experience in the field.

She has worked for MultiPlan, Inc., an NCQA-accredited national PPO network, for 14 years as an auditor in their delegated credentialing department and is a founding partner of Southern Belles and Beau, LLC Speaker’s Bureau.

Her previous experience was as a medical staff coordinator/CME coordinator in a community hospital and manager of medical affairs/meeting management at a large academic facility.

Silva has served in leadership positions at both the state and national level, including on the Education Committee and the Executive Board of the Louisiana Society of Medical Staff Services; the Certification Commission of the National Association Medical Staff Services (NAMSS) as a volunteer and elected test development chairperson and member of the Executive Board; and the NAMSS board as director at large.

Silva is currently working with Team Med Global as a faculty member and team lead product developer for the TMG University Managed Care Pathway.

Christopher Swartz worked extensively at CAQH to improve the quality of provider data made available to healthcare organizations.

Prior to joining CAQH, he led consumer engagement efforts for a large electronic health record (EHR) vendor, focusing on outreach and practice portal solutions.

He has participated in working groups focusing on leveraging blockchain technology to solve for a variety of use cases within healthcare, and he regularly monitors the adoption of HL7 FHIR within the industry.

Having personal connections to those battling advanced cancer, Swartz prefers to work on projects where he can directly impact patients’ ability to access timely and accurate information that they can use to make informed healthcare decisions.

When he’s not working, he spends time with his wife and two children in northern Virginia.

David Zetter, PHR, SHRM-CP, CHCC, CPCO, CPC, COC, PCS, FCS, CHBC, CMUP, PESC, CMAP, CMAPA, CMMP, is founder and president of Zetter HealthCare LLC.

He and his firm have provided practice management consulting services to medical and dental practices, facilities, and organizations for more than 25 years.

Zetter is a nationally recognized enrollment expert and speaker, and CMS regularly solicits his feedback in their PECOS and compliance user focus groups.

He is the vice president of the National Society of Certified Healthcare Business Consultants and is a Certified Healthcare Business Consultant (CHBC).

He is also a Certified Professional Coder (CPC) for physician practices, hospitals, and facilities, and a Certified Healthcare Compliance Consultant (CHCC).

Zetter is a member of the American Health Lawyers Association, the Medical Group Management Association, and the Healthcare Financial Management Association.

His firm supports client practices and facilities in all 50 states. You may find out more about Zetter and his firm at https://zetter.com.