About Call Doctor Packer Telemedicine
Call Doctor Packer Telemedicine, LLC is a modern virtual medical practice dedicated to providing convenient, accessible, and high-quality healthcare for adults through secure telemedicine technology.
Our mission is to make healthcare simple, accessible, and patient-centered by allowing adults to connect with licensed physicians from the comfort of their home, office, or while traveling.
Meet Dr. Felicia Nicholsonbrown, MD
Founder & Chief Executive Officer
Board-Certified Family Medicine Physician
Dr. Felicia Nicholsonbrown is the Founder and Chief Executive Officer of Call Doctor Packer Telemedicine. With more than 25 years of clinical experience, she brings extensive expertise in family medicine, hospital medicine, chronic disease management, preventive care, and telemedicine.
Throughout her career, Dr. Nicholsonbrown has cared for patients in outpatient practices, hospitals, skilled nursing facilities, and virtual healthcare settings. Her approach emphasizes careful listening, comprehensive medical evaluation, evidence-based treatment, and individualized patient care.
Her clinical and administrative experience includes serving as a Hospitalist Director, participating in physician leadership committees, and advocating for healthcare quality and patient safety.
As Founder and CEO, Dr. Nicholsonbrown is committed to expanding access to high-quality medical care through a growing network of healthcare professionals.
Education and Medical Training
University of Maryland School of Medicine — 2000
Internal Medicine Training, University of Maryland Medical System — 2001
Family Medicine Residency, University of Maryland — 2006
Areas of Clinical Expertise
Family Medicine and Primary Care
Acute and Chronic Disease Management
Preventive Medicine and Wellness
Hospital Medicine
Post-Acute and Skilled Nursing Care
Complex Medical Conditions
Telemedicine
Professional Associations and Service
American Academy of Family Physicians (AAFP)
American Medical Association (AMA)
Maryland State Medical Society (MedChi)
National Medical Association
Monumental City Medical Society
Former Institutional Review Board Member, Southern Maryland Hospital
Honors and Scholarships
Marion Merrill Dow Scholarship — University of Maryland School of Medicine, 1996
Baltimore City Medical Society Foundation Scholarship
Professional Scholarship — University of Maryland School of Medicine, 1997–2000
Philosophy of Care
"A patient's history guides every step that follows."
Dr. Nicholsonbrown believes that exceptional healthcare begins with listening, is strengthened by medical knowledge, and is delivered through compassion, respect, and evidence-based clinical decision-making.
Meet Dr. Wallace Robert Johnson Jr., MD
Board-Certified Internal Medicine Physician
Hypertension Specialist
Dr. Wallace Johnson is an experienced internal medicine physician with extensive clinical, academic, and research experience in hypertension, cardiovascular health, and chronic disease management.
A graduate of the University of Maryland School of Medicine, Dr. Johnson has dedicated much of his professional career to the evaluation and management of hypertension and cardiovascular risk factors.
His professional background includes more than two decades of service with the University of Maryland, where he participated in clinical care, medical education, and research involving hypertension and cardiovascular disease.
Dr. Johnson has contributed to published clinical research examining blood pressure management, patient education, and community-based interventions designed to improve hypertension control.
His approach emphasizes patient education, individualized treatment, and evidence-based management of acute and chronic medical conditions.
Education and Medical Training
Bachelor of Arts — Bucknell University, 1980
Doctor of Medicine — University of Maryland School of Medicine, 1986
Internal Medicine Internship — Howard University Hospital, 1986–1987
Internal Medicine Residency — Union Memorial Hospital, 1987–1989
Professional Certifications
American Board of Internal Medicine — Internal Medicine
Hypertension Specialist Certification — American Society of Hypertension
Areas of Clinical Expertise
Internal Medicine
Hypertension Evaluation and Management
Cardiovascular Risk Reduction
Chronic Disease Management
Patient Education
Acute and Chronic Medical Conditions
Telemedicine
Academic and Professional Experience
Dr. Johnson previously served with the University of Maryland, including the Division of Cardiology, and participated in medical education and hypertension-related clinical research.
His academic work includes clinical investigation, research collaboration, and professional educational presentations.
Professional Associations and Service
National Medical Association — Cardiology Section
Monumental City Medical Society — Former President and Member
Association of Black Cardiologists — Former Member
University of Maryland Institutional Review Board — Former Board Member and Research Reviewer
Selected Research and Publications
The BPTEACH Trial — Journal of Clinical Hypertension, 2011
Research examining the role of physician and patient education in improving blood pressure control, particularly among African American patients with hypertension.
Community-Based Intervention Research — Ethnicity & Disease, 2015
Research exploring community-based approaches to cardiovascular risk reduction and hypertension management.
Hypertensive Crises in the Emergency Department — 2012
A publication addressing the evaluation and clinical management of hypertensive emergencies and related cardiovascular complications.
Professional Presentations
Dr. Johnson has also participated in educational presentations addressing hypertension, cardiovascular health, lipid management, and clinical research, including:
Hypertension Control: The Implications of Race and Ethnicity — St. Joseph Medical Center Grand Rounds
Research: Tuskegee, Trust, and Transparency — Johns Hopkins Bayview Medical Center
Hypertension in the Black Patient — Caribbean Advisory Panel on Hypertension in Blacks
Commitment to Patient Care
Dr. Johnson brings his experience in internal medicine, hypertension management, medical education, and clinical research to Call Doctor Packer Telemedicine.
Scan to Book Appointment
Through our secure virtual platform, patients can receive professional medical care without the inconvenience of traveling to a clinic or waiting in crowded offices.
Our physicians provide comprehensive virtual consultations, diagnosis, treatment plans, and ongoing medical management for a wide range of adult health conditions.
How Virtual Urgent Care Visits Work
Receive confirmation and instructions for connecting to your telemedicine visit.
Join your virtual consultation using your smartphone, tablet, or computer.
Discuss your symptoms with a licensed physician and receive professional medical guidance.
Frequently Asked Questions
Your common questions about our telemedicine services answered here.
What is telemedicine?
Telemedicine allows patients to consult with licensed physicians remotely using secure video or digital communication technology.
Who can use Call Doctor Packer Telemedicine?
Our services are designed for adult patients seeking convenient access to medical care through virtual consultations.
What conditions can be treated through telemedicine?
Many common medical concerns can be evaluated through telemedicine including:
• minor illnesses
• medication management
• chronic disease follow-ups
• general medical consultations
Is telemedicine secure?
Yes. Our platform uses secure technology designed to protect patient privacy and medical information.
Do I need special equipment?
Patients typically only need:
• a smartphone
• tablet
• or computer with internet access
Can prescriptions be issued during telemedicine visits?
Physicians may prescribe medications when medically appropriate and in accordance with applicable laws and regulations.