Maryland Primary Care Physicians at Arnold offers high-quality, comprehensive medical care to patients of all ages, with emphasis on preventive care.

Our providers are board-certified in family practice, with extensive experience in all aspects of primary care: pediatrics, internal medicine and family health. More on our services and policies.

News and Announcements

  • We’re Growing for You!

    To better meet our patients’ needs, the Arnold office has expanded by opening a second-floor suite. WE’RE ACCEPTING PATIENTS OF ALL AGES, so call today to schedule an appointment.

  • Welcome, New Staff

    Welcome Celisa McGrone, CRNP, Akber Ahmad, MD; Katie Clements, CRNP; Stephanie Denius, CRNP; and Kaitlyn Govatos, PA to the MPCP Arnold practice.

  • Tick Bite FAQs

    Warm weather is here again, and so are ticks and the risk of Lyme disease. Here’s what you need to know.

  • We Made an Epic Change. Are You Getting the Benefits?

    MPCP has completed the switch to our new Epic electronic health records system, including the improved MyPortfolio patient portal. With MyPortfolio, you can conveniently request appointments,  view your medical records, and more. If you don’t yet have a MyPortfolio account, signing up is quick and easy.

  • Arnold Office Hours

    We have extended office hours Monday through Thursday 5-8 pm to meet the needs of our patients.

Office Info

1509 Ritchie Highway

Arnold, Maryland 21012

Phone Numbers
Office Hours

Practice Manager:

Pam Ditch

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  • If you need immediate assistance, please call your practice directly. FOR MEDICAL EMERGENCIES, dial 911

Our Doctors

Akber Ahmad, MD

  • In Practice Since: 2002
  • Medical Degree: Medical College of Virginia / Virginia Commonwealth University
  • Residency Program: Hahnemann University Hospital/Drexel University College of Medicine
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John A. Billon, M.D.

  • In Practice Since: 2002
  • Medical Degree: Jefferson Medical School
  • Residency Program: St. Peters University Hospital
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Lisa Goldberg Keithley, M.D.

  • In Practice Since: 2000
  • Medical Degree: Drexel University College of Medicine
  • Residency Program: Chestnut Hill Hospital
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Victor M. Plavner, M.D.

  • In Practice Since: 1984
  • Medical Degree: University of Louvain, Brussels, Belgium & George Washington University Medical Center
  • Residency Program: Franklin Square Hospital Center
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Medical Staff

Katie Clements, CRNP

  • In Practice Since: 2019
  • Primary Specialty: Nurse Practitioner
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Stephanie Denius, CRNP

  • In Practice Since: 2002
  • Primary Specialty: Nurse Practitioner
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Mary Ann Gardiner, CRNP

  • In Practice Since: 1995
  • Primary Specialty: Nurse Practitioner
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Kaitlyn Govatos, PA

  • In Practice Since: 2019
  • Primary Specialty: Physician Assistant
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Julia Kimbrough, CRNP

  • In Practice Since: 2017
  • Primary Specialty: Nurse Practitioner
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Celisa McGrone, CRNP

  • In Practice Since: 2016
  • Primary Specialty: Nurse Practitioner
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Kimberly M. Morin, PA-C

  • In Practice Since: 2013
  • Primary Specialty: Physician Assistant
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Kathleen T. Ogle, CRNP

  • In Practice Since: 1995
  • Primary Specialty: Nurse Practitioner
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Izabela M. Plucinska, CRNP

  • In Practice Since: 1996
  • Primary Specialty: Nurse Practitioner
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Rachel M. Sweeney, CRNP

  • In Practice Since: 1997
  • Primary Specialty: Nurse Practitioner
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Sonya Williams, CRNP

  • In Practice Since: 2004
  • Primary Specialty: Nurse Practitioner
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Our Location