Do you see adults only?

Yes—we provide adult primary care (18+).

Can I start by video?

Many concerns can; we’ll arrange in-person if an exam is needed.

Do you manage refills?

Yes—see Medication Management for policies and safety checks.

Internal Medicine in Irvine, CA

See an internal medicine doctor in Irvine for adult medicine focused on prevention, diagnosis, and long-term management of complex conditions. Our board-certified internist, Farhad Nassiri Afshar, MD, offers same-week availability and, when possible, same-day or next-day appointments for urgent concerns via in-person visits or secure telemedicine.

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Call (949) 776-9292

Illustration of Dr Farhad Nassiri Afshar, an internal medicine doctor in Irvine, examining an adult patient, representing care at Afshar Medical Group.

What our internal medicine doctor in Irvine treats

As an internal medicine doctor in Irvine, Dr. Farhad Nassiri Afshar cares for adults 18 and older with conditions affecting the heart, lungs, kidneys, endocrine system, digestion, and more. Internal medicine combines preventive primary care with expert management of complex and multi-system problems.

Internal Medicine and Heart & Circulation

Hypertension, palpitations triage, risk checks, med optimization.

Kidney & Electrolytes and Inetrnal Medicine

Early CKD care; sodium/potassium issues; medication adjustments.

Lungs & Breathing

Asthma/COPD plans; chronic cough and dyspnea evaluation.

Digestive Health

GERD, IBS, dyspepsia; H. pylori & screening orders.

Thyroid & Endocrine

Hypo/Hyperthyroid, nodules; dosing and follow‑ups.

Internal Medicine Diabetes Care

A1C goals, medications/GLP‑1, CGM when appropriate.

Lipids & Cholesterol

Targets, statin decisions, side‑effect management.

Internal Medicine Complex Care & Medications

Multiple conditions, polypharmacy review, specialist coordination.

Why choose internal medicine doctor in Irvine?

Choosing an internal medicine doctor in Irvine means having a single physician who can oversee both routine primary care and more complex conditions. Your internist helps connect the dots between labs, imaging, medications, and specialist opinions.

Trained for complex adult problems and multi‑condition care
Medication safety + deprescribing when risks outweigh benefits
Coordination with subspecialists; clear plans you can follow

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Call (949) 776-9292

When urgent care/ER is is better than visiting our Internal medicine clinic in Irvine

Go to Urgent Care or the ER now

For chest pain, severe shortness of breath, stroke symptoms, severe dehydration, high fever with severe headache or stiff neck, heavy bleeding, or serious injuries.
Call 911 immediately if you think you are experiencing a life-threatening emergency.

How an internal medicine visit in Irvine works (1‑2‑3)

Assess

History, focused exam, and labs or imaging only when they are likely to change your care.l

Work‑up

Rule-in / rule-out approach with shared decision-making so you understand each step.

Ongoing care

Monitoring, medication adjustments, and a prevention roadmap from your internal medicine doctor in Irvine, tailored to your risks and goals.

Insurance & billing

Most PPO plans and self-pay accepted. Preventive and problem-focused visits may be covered differently; we’ll verify benefits and estimate costs before your internal medicine doctor visit whenever possible.

Internal medicine FAQs

Do you accept new patients?

Yes. We are accepting new adult patients for internal medicine care, and self-referral is welcome. Most PPO plans are accepted, and self-pay options are available.

Will you coordinate with my cardiologist, nephrologist, or other specialists?

Yes. As your internist, we send summaries and orders promptly, and we try to keep one shared plan so you are not repeating tests or getting conflicting advice.

Can follow‑ups be virtual?

Many follow-up visits can be done by secure telemedicine, especially for lab review, medication adjustments, and stable chronic conditions. Initial diagnostic work-ups are often in person so we can do a complete exam.

How are refills handled?

We handle refills with safety checks and periodic monitoring. For most chronic medications, we’ll agree on follow-up timing and labs so renewals are predictable and safe.

Ready to schedule with an internal medicine doctor in Irvine?

Book online or call (949) 776-9292 to schedule a visit. We’ll review your history, clarify your goals, and build a plan you can follow step by step.

Book Online

Call (949) 776-9292