Gastrointestinal Testing in New York City

AI Summary

You feel bloated after meals. Your digestion is unpredictable. Some days it’s constipation, other days it’s diarrhea. You may have acid reflux, food sensitivities, or constant discomfort—but no clear answers.

You’ve likely tried medications or basic tests. Maybe even endoscopy or colonoscopy. Yet you’re still searching for the root cause.

Digestive issues are rarely simple. Many gastrointestinal conditions—like IBS, leaky gut, or microbiome imbalance—don’t always show up on standard tests. That’s because conventional diagnostics often focus on structural problems, not functional imbalances.

At Patients Medical, we provide advanced gastrointestinal testing in NYC, combining traditional diagnostics with functional and integrative testing to evaluate:

This allows us to identify the true root cause of your symptoms—not just manage them.

What Is Gastrointestinal Testing?

Gastrointestinal testing includes a range of diagnostic tools used to evaluate the health and function of the digestive system—from the stomach to the intestines and colon.

According to clinical research, endoscopy with biopsy remains a gold standard for many GI conditions, while stool and blood biomarkers are essential for identifying functional and inflammatory disorders.

At Patients Medical, we go beyond structural testing to include functional gut analysis, which helps detect issues that standard procedures may miss.

How A Healthy Digestive System Works

The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste.

A healthy gut depends on:

When functioning properly:

When disrupted:

The GI tract is essentially a long, connected system—from mouth to intestines—working as one continuous pathway.

Advanced testing helps identify exactly where this system is breaking down.

Signs and Symptoms That May Indicate Gastrointestinal Disorders

Digestive symptoms are often dismissed as minor or temporary. However, persistent issues can signal deeper dysfunction in the gut.

Many GI conditions share overlapping symptoms, making them difficult to diagnose without advanced testing.

Common symptoms include:
Chronic bloating or abdominal distension
Gas or excessive burping
Diarrhea, constipation, or alternating patterns
Acid reflux or heartburn
Abdominal pain or cramping
Nausea or vomiting
Food intolerances or sensitivities
Unexplained weight loss or gain
Fatigue after eating
Brain fog or mental fatigue
Blood or mucus in stool
Nutrient deficiencies
Skin issues (eczema, acne)
Irregular bowel movements
A comprehensive evaluation can determine whether gut dysfunction is the underlying cause.

Who Should Consider Gastrointestinal Testing?

Gastrointestinal testing is essential for individuals experiencing persistent digestive symptoms that are not resolved through basic treatments.

This includes people diagnosed with IBS, acid reflux, or unexplained digestive discomfort. It is also highly beneficial for patients with autoimmune conditions, chronic fatigue, or food sensitivities—where gut health often plays a central role.

Those with long-term medication use (such as antibiotics or acid blockers) or high-stress lifestyles may also experience gut imbalances.

Even if standard tests like endoscopy appear normal, functional gastrointestinal testing can uncover hidden imbalances contributing to ongoing symptoms.

Types Of Tests We Offer

Comprehensive Stool Analysis

SIBO Breath Test

Food Sensitivity Testing

H. pylori Testing

Digestive Enzyme Testing

Inflammation Markers (Calprotectin, CRP)

Test Comparison Table

Test	What It Measures	Best Used For	Sample Type	Turnaround Time
Stool Analysis	Microbiome, parasites	IBS, gut imbalance	Stool	10–14 days
SIBO Test	Gas levels	Bloating	Breath	Same day
Food Sensitivity	Immune response	Chronic symptoms	Blood	7–10 days
H. pylori	Bacteria	Ulcers	Breath/Stool	5–7 days
Enzyme Testing	Digestion	Malabsorption	Stool	7–10 days
Inflammation Markers	Gut inflammation	IBD	Blood/Stool	5–7 days
Endoscopy	Structural issues	Severe conditions	Procedure	Same day

Patient Case (Lauren Smith)

The following is an anonymised composite case based on patient presentations at Patients Medical.

A 45-year-old patient with 5+ years of bloating, fatigue, and IBS symptoms had normal colonoscopy results.

Advanced testing revealed:
SIBO (hydrogen-dominant)
Gut dysbiosis
Low digestive enzymes
Treatment included:
Herbal antimicrobials
Probiotics
Digestive enzymes
IV nutrient therapy

Testing Journey

Comprehensive Intake & Consultation: Detailed review of symptoms, diet, lifestyle, and medical history.
Personalised Test Selection: Customised testing based on your symptoms and health goals.
Sample Collection: Stool, breath, or blood testing—simple and minimally invasive.
Laboratory Analysis: Advanced functional labs analyze microbiome and markers.
Results Review & Treatment: Plan Detailed explanation + personalized integrative protocol.

Integrative Treatment

Botanical therapy: Berberine, oregano oil for gut infections
Nutritional therapy: Fiber, L-glutamine for gut repair
IV therapy: Nutrient repletion for absorption issues
Gut microbiome support: Probiotics and prebiotics
Lifestyle: Stress reduction & diet optimization
Monitoring: Follow-up stool and lab testing

Why Choose Patients Medical

Patients Medical takes a root-cause approach to gastrointestinal health—going far beyond standard testing. While conventional medicine focuses on structural diagnosis, we evaluate functional imbalances such as microbiome disruption, inflammation, and nutrient absorption.
Dr. Rashmi Gulati brings over three decades of experience in treating complex digestive conditions, combining integrative and conventional medicine.
Located in Midtown Manhattan, we provide both in-person care and telehealth services, ensuring continuous, personalised support.

About Dr. Rashmi Gulati, MD

Dr. Rashmi Gulati

Dr. Rashmi Gulati is the Medical Director of Patients Medical and one of New York City’s foremost integrative physicians. With over 30 years of clinical experience, she specialises in gastrointestinal disorders, IBS, gut microbiome imbalance, and chronic digestive conditions, as well as hormone imbalance and thyroid disorders.

Testimonials

“They actually tested my gut imbalance—no one else did. My bloating is gone.”

“I healed my IBS without drugs—just diet and herbs.”

“My eczema disappeared when my gut flora corrected.”

“My anxiety vanished when digestion improved.”

“After years of reflux, I finally feel medicine-free.”

Frequently Asked Questions

What does gastrointestinal testing diagnose?

It identifies digestive disorders like IBS, infections, inflammation, and nutrient absorption issues.

Do I need testing if my endoscopy is normal?

Yes—functional issues like microbiome imbalance may not appear in structural tests.

How is integrative GI testing different?

We combine functional labs with typical diagnostics to reveal root causes—not just symptoms.

Are stool tests reliable?

Yes. PCR-based panels like Gut Zoomer and GI Effects are precise and clinically validated rupahealth.com vibrant-wellness.com.

Do I need special prep?

Some tests require fasting; stool kits are easy to complete at home.

When do results arrive?

Expect lab results in ~2 weeks, followed by review and treatment planning.

Will you treat infections like SIBO?

Yes—with targeted herbal antimicrobials, enzymes, and probiotics.

What is the best test for gut health?

Comprehensive stool analysis is one of the most informative.

How long does testing take?

Results typically take 5–14 days depending on the test.

Can this help my mood or skin?

Definitely—gut health is tied to mental health, immunity, and skin integrity nycintegrative.com health.com.

Does stress impact digestion?

Absolutely. Chronic stress can cause dysbiosis and gut barrier issues gutlove.com nycnutritionist.net.

Will probiotics be prescribed?

Yes. Each patient gets a customized probiotic plan based on their gut profile.

Do you accept insurance?

We’re out-of-network, but provide superbills. Some lab tests may be reimbursable.

How soon will I feel better?

Many report improvements within 4–6 weeks; full gut healing may take 3–6 months.

Schedule Your Gastrointestinal Testing Consultation in Manhattan, NYC

If you’re struggling with persistent digestive issues, advanced testing can uncover the root cause and help restore your gut health.

We serve patients across NYC, Long Island, Westchester, and New Jersey, with telehealth options available.

Call: (212) 794-8800

Email: info@patientsmedical.com
Location: Midtown Manhattan

Content reviewed by Dr. Rashmi Gulati, MD. This page is for informational purposes only.

Begin Your Journey with Patients Medical

Patients Medical specializes in gently helping the patient identify the root cause of their medical issues and then assist them to recover from their problems to help them move forward to good health.

Request your consultation today!

To schedule an in person on Tele-medicine appointment, please call our office at (212) 794-8800 or email us at info@PatientsMedical.com We look forward to hearing from you

Our medical center in New York City.

Patients Medical PC
1148 Fifth Avenue, Suite 1B New York, NY 10128

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Gastrointestinal Testing in New York City

AI Summary

What Is Gastrointestinal Testing?