CARE & SERVICES

Meridian Primary Care

Meridian Primary Care provides comprehensive adult primary and preventive care, helping patients address new concerns, manage chronic conditions, review medications, plan screenings, and coordinate specialty care when needed.

Exam room at Meridian’s Largo Medical Location

Preventive Care

Annual physicals, recommended screenings and vaccines, and a plan for staying healthy.

New Health Concerns

Evaluation of new non-emergency symptoms and changes in your health.

Ongoing Condition Management

Long-term care for conditions such as diabetes, high blood pressure, and high cholesterol, including medication review.

A PRACTICAL STARTING POINT

Care that starts with the full picture

Meridian Primary Care focuses on prevention, evaluation, and ongoing management of adult health concerns. Our internal medicine physicians help patients understand symptoms, monitor long-term conditions, review medications, and plan appropriate next steps.

When a concern requires diagnostic testing or specialty expertise, the department can coordinate care with the appropriate Meridian team so patients have a clear path forward.

MERIDIAN PRIMARY CARE SERVICES

Everyday care for adults

Annual Physicals

Preventive visits that review your history, medications, vital signs, and recommended screenings and vaccines.

Sick Visits & New Concerns

Evaluation of new or persistent non-emergency symptoms.

Chronic-Condition Care

Ongoing management of diabetes, high blood pressure, high cholesterol, and other long-term conditions.

Medication Review

Review of prescriptions, vitamins, and supplements to support a safe, practical care plan.

Screening Planning

Age- and risk-appropriate screening recommendations based on your health history.

Care Coordination

Coordination with Meridian Labs, Meridian Diagnostic Imaging, and Meridian specialty departments when needed.

WHAT TO EXPECT

Your care, step by step

1. Review

Your clinician reviews your symptoms, medical history, medications, and health goals.

2. Evaluate

Your clinician examines the concern and explains findings in clear language.

3. Plan

Together you discuss treatment, testing, or referrals that may be appropriate.

4. Follow Up

Meridian coordinates the next visit, result, or specialty step when needed.

MERIDIAN PRIMARY CARE PROVIDERS

Meet the physicians supporting your primary care

Dr. Albert E. Takem, Founder & Medical Director, Meridian Medical Group

Dr. Albert E. Takem

Role: Founder & Medical Director

Department: Meridian Primary Care · Meridian Weight Loss & Metabolic Health

Dr. Coronel

Dr. Emerson Lapuz Coronel

Clinical specialty: Internal Medicine

Department: Meridian Primary Care

Sees patients in: Upper Marlboro (South Osborne) & Silver Spring

Dr. Usman Khan

Dr. Usman T. Khan

Clinical specialty: Internal Medicine

Department: Meridian Primary Care

Dr. Joan Ngonack Ngembus, Internal Medicine, Meridian Medical Group

Dr. Joan Ngonack Ngembus

Clinical specialty: Internal Medicine

Department: Meridian Primary Care

Ready to see a Meridian Primary Care provider? Request an appointment →

Dr. Imelda R. Miranda, Internal Medicine, also sees patients at our South Osborne office in Upper Marlboro on a limited schedule.

MERIDIAN PRIMARY CARE LOCATIONS

Where Meridian Primary Care is available

Largo Medical Location

Address
950 Harry S Truman Drive North, Suite 550
Upper Marlboro, MD 20774

Phone
301-627-3500

Hours
Monday–Friday: 8:30 a.m.–5:00 p.m.
Saturday–Sunday: Closed

After hours
Call the same office number to reach the physician on call.

Services and specialist availability vary by location and appointment date. Please call the front desk, and our staff will help schedule you at the appropriate Meridian location.

Silver Spring Medical Location

Address
1400 Forest Glen Road, Suites 210, 215, and 235
Silver Spring, MD 20910

Phone
301-627-3500

Hours
Monday–Friday: 8:30 a.m.–5:00 p.m.
Saturday–Sunday: Closed

After hours
Call the same office number to reach the physician on call.

Services and specialist availability vary by location and appointment date. Please call the front desk, and our staff will help schedule you at the appropriate Meridian location.

South Osborne Medical Location

Address
7611 S Osborne Rd, Suite 106
Upper Marlboro, MD 20772

Phone
301-952-8401
Fax: 301-952-8464

Hours
Monday–Friday: 8:30 a.m.–5:00 p.m.
Saturday–Sunday: Closed

After hours
Call the same office number to reach the physician on call.

Services and specialist availability vary by location and appointment date. Please call the front desk, and our staff will help schedule you at the appropriate Meridian location.

FREQUENTLY ASKED QUESTIONS

Planning your Meridian Primary Care visit

What should I bring to my visit?

Bring a photo ID, your insurance card, an up-to-date list of medications and supplements, relevant records, and any questions you want to discuss.

Where can I see a Meridian Primary Care provider?

Meridian Primary Care is available at the Largo, Silver Spring, and South Osborne (Upper Marlboro) locations. Call 301-627-3500 and the front desk will help schedule you at the appropriate location.

Is telehealth available?

Telehealth is available when clinically appropriate and subject to medication-related requirements. The front desk will help determine whether an in-person or telehealth visit is appropriate.

How do I schedule?

Call 301-627-3500 or request an appointment online. A request is not confirmed until the front desk contacts you.

Not sure if Meridian Primary Care is the right place to start?

Schedule a Meridian Primary Care visit, or call and our front desk will help route you to the appropriate department and location.

Monday–Friday, 8:30 a.m.–5:00 p.m.

For life-threatening symptoms, call 911 or go to the nearest emergency department.