Welcome to TPN DOctors

Advanced TPN Management & Nutrition Support

Personalized IV nutrition program tailored for each patient and monitored by Dr. Shahab Mehdizadeh, a board-certified Gastroenterologist and Nutrition Specialist.

Home at TPN Doctors
Home at TPN Doctors
Home at TPN Doctors

Trusted TPN specialist with extensive experience managing complex nutrition needs.

Trust & Authority

Led by a Nationally Recognized TPN Specialist

Dr. Shahab Mehdizadeh, M.D., M.A.
Board Certified in:

Internal
Medicine

Digestive
Health

Clinical
Nutrition

Co-Chair of the Nutritional Advisory Committee at Cedars-Sinai Medical Center and experienced in managing hundreds of patients requiring Total Parenteral Nutrition.

What Is Total Parenteral Nutrition?

Total Parenteral Nutrition (TPN) is intravenous nutrition used when the digestive system cannot absorb or process nutrients properly.

TPN provides:
Conditions We Help Manage

Specialized Nutrition Support For

Home at TPN Doctors

Short Bowel Syndrome

Long-term nutritional support and optimization.

TPN Doctors conditions and care

Cancer & Chemotherapy Support

Maintain strength and nutritional status during treatment.

Home at TPN Doctors

Intestinal Obstruction

Nutrition support when oral feeding is not possible.

Home at TPN Doctors

Severe Gastroparesis

Management for patients unable to tolerate adequate nutrition.

Home at TPN Doctors

Chronic Intestinal Failure

Comprehensive physician-led TPN oversight.

TPN Doctors conditions and care

POTS & Complex Motility Disorders

Customized hydration and nutritional support programs.

TPN Doctors conditions and care

Ehlers-Danlos Syndrome

Nutrition support for complex GI conditions

TPN Doctors conditions and care

Severe Malnutrition

Restoring nutritional balance, increasing weight, and improving quality of life.

TPN Doctors conditions and care

Additional IV hydration

IV fluids to restore hydration and support recovery.

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Effective IV treatment.

Effective treatments to relieve nausea and improve comfort.

TPN Doctors conditions and care

IV Anti-Acid Medication

IV treatment to reduce stomach acid and relieve discomfort.

Have Your Vitamins & Micronutrients Been Checked?

Many patients receiving TPN never have their vitamins and trace elements routinely monitored.

Routine monitoring helps detect deficiencies before they become serious and ensures your nutrition remains safe and effective.

Benefits

Proper TPN monitoring reduces the risk of serious complications.

Why Choose us

Why Physician-Led TPN Matters

Your TPN Should Be Managed by a TPN Specialist

Many patients receive TPN adjustments through pharmacies alone.
At TPN Doctors, your care is directed by a physician who:

Reviews lab work regularly

Adjusts formulas weekly when necessary

Monitors micronutrients and trace elements

Coordinates with pharmacists and home nurses

Prevents long-term complications

Provides ongoing follow-up visits

Physician-led TPN, board-certified gastroenterologist

Comprehensive Nutrient Monitoring

Vitamins We Monitor

Minerals & Electrolytes

Trace Elements

Access Your Health Records Anytime

Features

Login to Patient Portal

Download iOS App (Cedars-Sinai Connect)

TPN Doctors
How Our Process Works

Simple, Personalized Care

How Our Process Works

Initial Consultation

Review your medical history, nutritional needs, and current treatment plan.

Customized TPN Formula

Your nutrition program is tailored specifically to your condition.

Ongoing Monitoring

Regular lab reviews and formula adjustments.

Continuous Support

Coordination with pharmacies, nurses, caregivers, and specialists.

Customize TPN Formulas

Many patients receive TPN formula adjustments through the pharmacy alone. Our physician-led approach provides direct medical oversight to ensure protein formulations, lipid formulations, electrolytes, vitamins, and micronutrients are adjusted based on both laboratory results and the patient’s overall clinical condition.

Protein Formulations

Lipid (Fat) Options

Hospital Affiliation & Clinical Expertise

Dedicated to High-Complex Care & Advanced Diagnostic Procedures

Cedars-Sinai Medical Center Affiliation

Dr. Shahab Mehdizadeh sees patients daily at Cedars-Sinai Medical Center, providing specialized care for complex gastrointestinal conditions. Patients benefit from world-class inpatient and outpatient care, backed by state-of-the-art diagnostic facilities.

Patient Portal Note (Cedars-Sinai Connect)

Existing patients can securely view their medical records, lab results, and imaging history via the Cedars-Sinai Patient Portal. (Note: Direct messaging is not active on this portal for urgent clinical inquiries).

Endoscopy

Upper GI evaluation for detailed diagnostic accuracy and therapeutic intervention.

Colonoscopy

Comprehensive screening, polyp removal, and preventive GI care.

Capsule Endoscopy

Advanced, non-invasive wireless imaging for deep small bowel evaluation.

About Dr. Mehdizadeh

Meet Dr. Shahab Mehdizadeh

Dr. Mehdizadeh combines expertise in gastroenterology, nutrition, and advanced digestive care to provide comprehensive management for patients requiring intravenous nutrition support.

His unique approach combines evidence-based medicine, personalized nutrition planning, and close patient monitoring to achieve optimal outcomes.

TPN Doctors
Emergency Consultation

Already on TPN?

Have questions about your formula or want a second opinion?

Our office can review your current treatment plan and provide expert recommendations.

Testimonials

What Patients and Families Say

Google Reviews rating for TPN Doctors

Need Expert
TPN Management?

Whether you’re starting TPN, recovering from surgery, undergoing cancer treatment, or looking for a second opinion, we’re here to help.