Seamless Care. ONPOINT. Anytime. Anywhere.
Cash-based telehealth across all of Maryland and concierge mobile visits within 25 miles of Elkridge — delivered by a board-certified Doctor of Nursing Practice. No insurance required. Same-week appointments.
No insurance calls. No portal sign-ups before your first visit. Just three steps from booking to follow-up.
Pick a visit type, fill in five fields, and choose a time. Most appointments are scheduled within the same week.
Join a secure HIPAA-compliant video visit — or open your door if you chose a mobile visit. Plan on 30–45 unhurried minutes.
Prescriptions, labs, and your care plan land in ChARM. Message your provider directly — no phone trees, no triage lines.
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Natural light · white or navy coat
Warm, confident expression.
Dr. Marlene Margerum is a Doctor of Nursing Practice and board-certified Adult-Gerontology Primary Care Nurse Practitioner licensed in Maryland. She founded OnPoint Healthcare Services to provide a more personalized approach to primary care — one built on trust, transparency, and continuity.
She specializes in primary care, chronic disease management, and medical weight management for adults 18–99, integrating evidence-based medicine with attentive listening — so every patient feels heard, respected, and supported.
I believe healthcare should feel thoughtful, precise, and personal. Every patient deserves a provider who truly knows them.
Telehealth from home or mobile visits within 25 miles of Elkridge. No insurance required — transparent cash pricing.
You always see the same provider. Dr. Margerum knows your history, your goals, and your life — not just your chief complaint.
Every service is priced clearly, upfront, with no surprise bills. Cash-based means no insurance friction — ever. HSA/FSA accepted.
Full practice authority in Maryland. All visits and health records are fully encrypted and HIPAA-compliant through ChARM EHR.
No insurance. No hidden fees. Payment at time of service.
Physical exams (nursing school, employment, sports): $100 · Weight management programs & specialty services: contact us for personalized pricing
Same-week appointments. No insurance required. Care that comes to you.
Book Your AppointmentSame-week appointments available. You'll hear back within 24 hours. No insurance needed.
(443) 561-3657 — Main
(443) 391-5316 — Direct · Fax: (443) 391-5329
Telehealth — all of Maryland
Mobile — within 25 miles of Elkridge (Howard, Anne Arundel & Baltimore counties)
Monday–Friday · Evening hours available
Same-week scheduling
Fill out the form and we'll contact you within 24 hours to confirm.