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Our Physicians
& Clinical Staff

When Pain Attacks, Attack Back!

The physicians at RPG want you to be well informed about all aspects of your care. If you have additional questions, or to schedule an appointment, please call us at 404-659-5909

All RPG physicians are board certified in Physical Medicine and Rehabilitation.

Mark W. Feeman D.O., Medical Director

  • Board Certified in Physical Medicine and Rehabilitation
  • Doctor of Osteopathy from the University of Osteopathic Medicine and Health Sciences (Des Moines, IA)
  • Chief Resident, PM&R Residency, Emory University (Atlanta, GA)
  • Associate Professor, PM&R, Emory University (Atlanta, GA)
  • Drug Crew Chief, United States Olympic Committee
  • Certified Surveyor, Commission of Accreditation of Rehabilitation Facilities
  • Experienced as Medical Director, acute and subacute facilities specializing in Orthopedic and Neurological Rehabilitation
  • Experienced in private practice, occupational medicine
  • Atlanta Magazine’s “Top Docs” list

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Ernest L. Howard, II, M.D., Medical Director

  • Board Certified in Physical Medicine and Rehabilitation
  • Medical degree from Medical College of Georgia (Augusta, GA)
  • Internship at Georgia Baptist Medical Center (Atlanta, GA)
  • Chief Resident, Emory University (Atlanta, GA)
  • Associate Professor, PM&R, Emory University (Atlanta, GA)
  • Experienced as Medical Director, acute and subacute facilities specializing in Orthopedic and Neurologic Rehabilitation
  • Pesacznski Award of Excellence in Physiatry
  • Atlanta Magazine’s “Top Docs” list
  • Former President, Georgia Society of Physical Medicine & Rehabilitation

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Dayna J. London, M.D.

  • Board Eligible in Physical Medicine and Rehabilitation
  • Medical degree from Meharry Medical College (Nashville, TN)
  • Internship, Hospital of the University of Pennsylvania (Philadelphia, PA)
  • Residency, Hospital of the University of Pennsylvania (Philadelphia, PA)

Professional Associations

  • American Academy of Physical Medicine and Rehabilitation
  • American Medical Association

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Celine Mathew, D.O.

  • Board Certified in Physical Medicine and Rehabilitation
  • Doctorate of Osteopathic Medicine from New York College of Osteopathic Medicine, Old Westbury, NY (2002-2006)
  • Internship, Good Samaritan Hospital Medical Center, West Islip, NY (2006-2007)
  • Residency, Physical Medicine and Rehabilitation at Nassau University Medical Center, East Meadow, NY (2007-2010)
  • Fellowship, Interventional Spine and Musculoskeletal Medicine, Amherst, NY (2010-2011)

Professional Associations

  • American Academy of Physical Medicine and Rehabilitation (AAPMR)
  • American Osteopathic College of PMR (AOCPMR)
  • Georgia Society of Interventional Pain Physicians (GSIPP)
  • Georgia Osteopathic Medical Association (GOMA)
  • Greater Atlanta Pain Society (GAPS)

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The Physician-PA/NP Team
Synergy in Clinical Practice

WHO:

PA/NPs are knowledgeable, certified medical professionals, training on the same medical model as physicians.

HOW:

PA/NPs participate in lifelong learning. In order to maintain national certification, PAs must complete 100 hours of continuing medical education every two years.

WHY:

PA/NPs improve the quality of healthcare because they can spend more time with patients, serving as health educators in addition to treating medical conditions. They can also help plan preventative strategies.

Lisha B. Davis, M.P.A.S., P.A.-C

Lisha graduated from the University of South Alabama Physician Assistant program in 2009. She worked two years in Neurosurgery and joined Rehab Physicians Group in June of 2011. Some of her accomplishments include:

  • NCCPA Certified Physician Assistant
  • Medical Board of Georgia Certified Physician Assistant
  • Bachelor of Science, Biology; University of Alabama, 2006
  • Master of Health Science, University of South Alabama, 2009
  • Member, American Academy of Physician Assistants, Georgia Association of
    Physician Assistants

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Martha Friedl, NP-C

Martha graduated from the University of Alabama and holds a Masters of Science in Nursing. Martha has experience in both primary care and inpatient rehabilitation.

  • AANP Certified Nurse Practitioner
  • Bachelor of Science in Nursing, University of West Georgia, Carrollton, GA
  • Fluent in Spanish

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Tamara Harris, P.A.-C

Tammy graduated with the Physician Assistant Degree in 2001 from Emory University. She has been practicing pain management since 2005 and is married with 2 children. Tammy enjoys running and is training for the half marathon.

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Meredith Magner, P.A.-C

Meredith graduated from the Emory University Physician Assistant program in 2004. She worked in internal medicine for a year before joining Rehab Physicians Group in 2004. Some of her accomplishments include:

  • NCCPA Certified Physician Assistant
  • Medical Board of Georgia Certified Physician Assistant
  • Bachelor of Arts, Chemistry, Smith College (Northampton, MA)
  • Master of Medical Science, Emory University School of Medicine (Atlanta, GA)
  • Research Technician, Harvard Medical School
  • Member American Academy of Physician Assistants and Georgia Association of Physician Assistants.

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Ken Obimpeh, P.A.-C

Ken graduated from the Nova Southeastern University Physician Assistant Program in Florida in 2014. He worked in Neurology for a year before joining Rehab Physicians Group in 2015. Some of his accomplishments include:

  • NCCPA Certified Physician Assistant
  • Medical Board of Georgia Certified Physician Assistant
  • Master of Medical Science, Physician Assistant Studies, Nova Southeastern University, FL
  • Master of Business Administration, University of Dayton, OH
  • Bachelor of Science, State University of New York, NY
  • Member, American Academy of Physician Assistants, Georgia Association of Physician Assistants

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Rebecca Jill Pope, NP-C

Jill graduated from the University of Alabama and holds a Masters of Science in Nursing. Jill has experience in both primary care and emergency medicine.

  • Nurse Practitioner
  • Registered Nurse Level II, ER
  • Volunteer Triage Nurse for Eternal Hope

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Physician Pain Specialists in the following areas: Sports Injuries | Work Injuries | Pain Management | Rehabilitation | Spine Pain