Who We Are

QTC is the largest provider of disability and occupational health examination services. Our more than 35-year history has been marked by a focus on delivering high quality, technology-driven, exam solutions for our clients. QTC applies a customized, systematic operational workflow to administer evaluations, supported by innovative technology that achieves extraordinary quality, timeliness, and customer service goals.

What We Do

By consulting closely with each client, we become partners that will identify existing and forecasted program needs, while delivering a full suite of employment-focused medical examination and diagnostic testing services. QTC offers a complete one-stop shop for medical, disability and occupational health services. Since 2000, we have provided approximately one million physical examinations and two million diagnostic tests.

How We Do It

QTC’s proprietary technology automates the examination workflow and provides clients with real-time access to case information, tracking, and reporting. Our network is supported by more than 1,000 experienced clinical, corporate and operational associates, and more than 70 clinic locations that include physicians, registered nurses, licensed vocational nurses, medical assistants, phlebotomists, radiographic technology technicians and various ancillary support personnel.


Our mission is to provide quality, timely, and cost-effective medical examination service solutions through highly secured information technologies.


We apply a customized, systematic operational workflow to administer independent medical examinations and associated services. This workflow is supported by a secure information technology and achieves extraordinary quality, timeliness, cost-effectiveness and customer service goals. We believe in efficiency which is why our business is based on a one-stop shop approach.  We provide the following:

  • Vision services and tonometry
  • Population health screening, surveys, and surveillance
  • Wellness services
  • Health promotion
  • Immunization / vaccinations
  • Diagnostic and laboratory testing
  • Occupational health
  • Medical consultation
  • Medical record/peer reviews
  • Force health protection services
  • Independent medical evaluations
  • Functional capacity evaluations
  • Disability, medical, and psychiatric evaluations including PTSD and TBI
  • Disability retirement examinations
  • Compensation and pension examinations for Veterans
  • Military disability examinations, such as Integrated Disability Evaluation System, Benefits Delivery at Discharge
  • Military accession and separation examinations
  • Physical examinations: periodic, pre and post-employment, and fit-for-duty
  • Specialist examinations
  • Dental examinations
  • Audiometry and hearing evaluations

Customer Focused

We focus on the little things so that every step of our process is cared for and meet with the highest of expectations.

We cover:

  • Appointment setting
  • Individual and organizational follow-up
  • Document supply and distribution
  • Case study and tracking
  • Quality assurance review
  • Report delivery
  • Technology and support
  • Transcription
  • Data entry and system interfaces
  • Scanning and indexing health records.


We deliver services to customers in the private sectors; federal, state, and local government agencies; as well as the individuals (examinees) they serve.

Our partial client list includes:

  • U.S. Department of Veterans Affairs
  • U.S. Department of Labor
  • U.S. Railroad Retirement Board
  • U.S. Department of Health and Human Services, Federal Occupation Health
  • Department of Justice

Leadership Team

Grant Kim
Chief Executive Officer

Grant Kim is Chief Executive Officer for QTC. He joined QTC more than nine years ago bringing with him 20+ years of business management...

Larry Schaefer
Chief Operating Officer

Larry Schaefer is the Chief Operating Officer for QTC. He joined QTC in 2006 after serving more than 23 years with the United States Air...

Jamshid Tamiry, M.D.
Chief Medical Director

Jamshid Tamiry, M.D., is the Chief Medical Director for QTC. He oversees their provider network ensuring each provider meets contractual compliance requirements and proa

Nader Nemati
Chief Information Officer

Nader Nemati is the Chief Information Officer for QTC.  Mr. Nemati directs all technology aspects of the company including product management, software development, soft

Carla Abramcheck
Vice President of Business Capture

Carla Abramcheck, Ph.D. is the Vice President of Business Capture. She has more than 17 years of experience with a concentration in U.S. Government contracting...

Frenorgin (Ogie) Ubungen, M.D.
Vice President of Operations

Frenorgin (Ogie) Ubungen, M.D., is the Vice President of Operations at QTC.  She joined QTC in 1998 and has held numerous positions throughout her tenure....

Valma Kwong
Vice President of Finance & Accounting

Valma Kwong, CPA, is the Vice President of Finance & Accounting for QTC. She joined QTC in 2006 as Controller and was promoted to...

Virginia Mao
Vice President of Corporate Administration

Virginia Mao is the Vice President of Corporate Administration for QTC.  Ms. Mao oversees pricing, financial, and profitability analysis of new business, feasibility an

Tony Buratti
Vice President of Corporate Development

Tony Buratti, MBA, is the Vice President of Corporate Development for QTC.  He transferred to QTC in 2016 from the parent company Lockheed Martin. ...

John Mitchell
Vice President of Sales

John Mitchell is the Vice President of Sales for QTC.  He is responsible for developing a sales organization to bring our healthcare management solutions...

Patricia Dantzler
Vice President of Human Resources

Patricia Dantzler is the Vice President of Human Resources for QTC. Her primary focus is on developing a workforce that has strong customer service skills,...

Bessie Green
Director of Quality Assurance for VA Services

Bessie Green is Director of Quality Assurance for Veterans Administration (VA) Services at QTC. Mrs. Green joined QTC in August 2005, after serving as...

Joe O’Brien
Director of Program Management

Joe O’Brien is QTC’s Director of Program Management.  Joe joined QTC in July of 2002 as the Operations Manager for their Philadelphia Office. Due...

Daniel Highland
Corp. Director of Business Operations

Mr. Highland manages the analysis of business processes to formulate and develop new and modified business information processing systems.  He coordinates his efforts wi