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Dr. Daniel Gassert, MD
Gastroenterology* Age 52
Dr. Daniel Gassert, MD
5.0 (1 Ratings)

Offers telehealth
Map Pin Small Saint Augustine, FL
Dr. Daniel Gassert, MD is a Gastroenterologist in Saint Augustine, FL.
Dr. Daniel Gassert, MD
5.0 (1 Ratings)

Dr. Daniel Gassert, MD

Gastroenterology* Age 52
Saint Augustine, FL
Accepting new patients

Offers telehealth

Dr. Daniel Gassert, MD is a Gastroenterologist in Saint Augustine, FL.

About Dr. Daniel Gassert, MD

Dr. Daniel Gassert, MD is a Gastroenterologist in Saint Augustine, FL. Dr. Gassert has experience treating conditions like Diaphragmatic and Hiatal Hernia, Constipation, Barrett's Esophagus, Dysphagia, Indigestion, Intestinal Diverticulitis, Gastroptosis, Intestinal Diverticulosis, Intestinal Ulcer, Gastric Ulcer, Nausea, Intestinal Obstruction, Gastrointestinal Bleeding, Cirrhosis, Gastroparesis, Hemorrhoids, Esophageal Motility Disorders, Anal or Rectal Pain, Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD) and Abdominal Pain among other conditions at varying frequencies. Dr. Gassert's office accepts new patients and telehealth appointments. Dr. Gassert is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Diaphragmatic and Hiatal Hernia
Constipation
Barrett's Esophagus
Diaphragmatic and Hiatal Hernia
Constipation
Barrett's Esophagus
Diaphragmatic and Hiatal Hernia
Constipation
Barrett's Esophagus
Dysphagia
Indigestion
Intestinal Diverticulitis
Gastroptosis
Intestinal Diverticulosis
Intestinal Ulcer
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Gastric Ulcer
Nausea
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Intestinal Obstruction
Gastrointestinal Bleeding
Cirrhosis
Gastroparesis
Sigmoidoscopy
Hemorrhoids
Esophageal Motility Disorders
Anal or Rectal Pain
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Abdominal Pain
Duodenal Polypectomy
Endoscopy
Gastroesophageal Reflux Disease (GERD)
Diffuse Esophageal Spasm
Colorectal Polyp
Colonoscopy
Irritable Bowel Syndrome
Inflammatory Bowel Disease
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Unexplained Weight Loss
Gastritis
Reflux Esophagitis
Crohn's Disease
Esophageal Varices
Esophagitis
Liver Damage from Alcohol
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Esophageal Ulcer
Gallstones
Alcoholic Cirrhosis
Familial Adenomatous Polyposis
Anemia
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Ulcerative Colitis
Pancreatitis
Duodenal Ulcer
Diarrhea
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Celiac Disease
Duodenitis
Hepatitis C
Acute Gastritis
Gas-Bloat Syndrome
Biliary Atresia
Noninfectious Gastroenteritis and Colitis
Gastrointestinal Malabsorption
Enteritis
Infectious Diarrheal Disease
Chronic Gastritis
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Primary Biliary Cholangitis
Biliary Cirrhosis
Bile Duct Obstruction
Liver Damage
Ascites
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Vomiting Disorders
Eosinophilic Esophagitis
Laparoscopic Removal of Stones from Biliary Tract
Pancreas Surgeries
Hypokalemia
Retroperitoneum Cancer
Upper Digestive Tract Cancer
Colon Cancer
Hepatitis B
Rectal Ulcer
Abdominal Disorders
Abnormal Thyroid
Abscess
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Acidosis
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Sinusitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Alcoholic Fatty Liver
Alcoholic Hepatitis
Alkalosis
All Headaches (incl. Migraine)
All Types of Food Poisoning
Allergic Rhinitis
Anal and Rectal Cancer
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Asymptomatic Post-Menopausal Status
Ataxia
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Atherosclerosis
Autoimmune Diseases
Autoimmune Hepatitis
Back Pain
Barretts Esophagus with Dysplasia
Bedsores
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Benign Chronic Pain Syndrome
Benign Neoplasm of the Digestive System
Benign Tumor
Blood Disorders
Blood in Urine (Hematuria)
Boerhaave's Syndrome
Bowel Strangulation
Bronchitis
Bruise of Face, Scalp, or Neck
Bunion
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Calcium Metabolism Disorders
Cancer
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Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Cholangitis
Cholecystitis and Gallstones
Cholelithiasis
Chronic Anal Fissure
Chronic Anemia
Chronic Cholecystitis
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Cluster Headache
Colorectal Cancer
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Cyclical Vomiting
Deep Vein Thrombosis (DVT)
Dehydration
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diverticulitis
Diverticulosis
Dizziness
Down Syndrome
Duodenal Cancer
Dysentery
Dyslipidemia
E. coli Food Poisoning
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Diseases
Esophageal Diverticulum
Fever
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Food Poisoning
Gastrointestinal Diseases
Gastrojejunal Ulcer
Genital Warts
Gout
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Hammer Toe
Headache
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Heart Disease
Heart Palpitations
Heartburn
Hemochromatosis
Hepatic Coma
Hepatic Fibrosis
Hepatitis A
Hepatitis B - Immune Response
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Human Immunodeficiency Virus (HIV)
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypogonadism
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Ileus
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Insomnia
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Intestinal Abscess
Intestinal Fistula
Intestinal Ischemia
Intestinal Prolapse
Iron Deficiency Anemia
Iron Metabolism Disorders
Ischemic Colitis
Itchy Skin
Joint Pain
Lactose Intolerance
Leg and Foot Ulcers
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Cancer
Low Back Pain
Lower Gastrointestinal Hemorrhage
Magnesium Metabolism Disorders
Malaise and Fatigue
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Migraine
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Mineral Metabolism Disorders
MSI-H Colorectal Cancer
MSI-L Colorectal Cancer
MSS Colorectal Cancer
Muscle Weakness
Neoplasm of Gastrointestinal Tract
Neurogenic Bladder
Non-Neonatal Jaundice
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Overweight
Pancreatic Pseudocyst
Patellofemoral Pain Syndrome (PFPS)
Pelvic Abscess
Peptic Ulcer
Pericardial Disease
Peripheral Nerve Disorders
Phosphorus Metabolism Disorders
Pneumonia
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Primary Sclerosing Cholangitis
Proctoptosis
Proteinuria
Purpura
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Pyloric Stenosis
Pylorospasm
Radiculopathy
Rash
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Raynaud's Disease
Rectal Cancer
Rectal Prolapse
Restless Leg Syndrome
Sarcoidosis
Sciatica
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Sclerosing Mesenteritis
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Small Intestine Cancer
Splenomegaly
Stomach and Small Intestine Cancer
Stomach Cancer
Stomach Diseases
Stomach Stenosis
Symptomatic Menopause
Testicular Dysfunction
Thiamin Deficiency
Throat Pain
Tobacco Use Disorder
Ulcer
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Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vascular Insufficiency of Intestines
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Vitamin_Deficiency
Warts
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Wheezing
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Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Anoscopy
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Bile Duct Procedure
Biliary Drainage
Capsule Endoscopy
Colon Cancer Screening
Colonoscopy With Polypectomy
Diabetes Counseling
Fecal Impaction Removal
Gastroenterology Procedures
Hemorrhoidectomy or Excision of Anal Tags
Impedance Testing
Incision and Removal of Foreign Object
Liver Biopsy
Pyloromyotomy
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • United Healthcare
  • Blue Card PPO
  • National (BlueCard) PPO
  • Tricare
  • Curative PPO
    Curative EPO
    Curative PPO Plus
  • Aetna
    Choice Plus POS II
  • Superior Health Plan
  • Cigna PPO
    Open Access Plus
  • Select HMO
    Choice Care PPO
  • BlueDental Choice
  • HealthyBlue Advantage
  • AvMed
  • PHCS Network PPO
  • First Health (Coventry Health Care) PPO

Where Dr. Daniel Gassert, MD Sees Patients

  1. 1 Office
    216 Southpark Cir E, Saint Augustine, FL 32086
    Icon Directions Right Arrow Directions Phone Icon (904) 824-6108
    Monday
    08:00 - 17:00
    Tuesday
    08:00 - 17:00
    Wednesday
    08:00 - 17:00
    Thursday
    08:00 - 17:00
    Friday
    08:00 - 17:00
  2. 2 Office
    40 Groover Loop Ste 200, Saint Augustine, FL 32086
    Icon Directions Right Arrow Directions Phone Icon (904) 824-6108
  3. 3 St Augustine Anesthesia Partners
    212 Southpark Cir E, Saint Augustine, FL 32086
    Icon Directions Right Arrow Directions Phone Icon (904) 824-6108

What Patients Say

Likelihood to recommend Dr. Gassert
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jan 27, 2026
Went in for a colonoscopy. Doctor was professional, thorough and very pleasant. Highly recommend! Staff was awesome as well.
— Jan 27, 2026
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Telehealth Options
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(904) 824-6108

Meet Dr. Daniel Gassert, MD

Specialties*
Gastroenterology
Internal Medicine
Hepatology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Gassert communicate via email?
46 users said yes.
Yes
(46)
No
(9)
Does Dr. Gassert offer telehealth services or virtual visits?
22 users said yes.
Yes
(22)
No
(16)
Does Dr. Gassert offer an online patient portal?
67 users said yes.
Yes
(67)
No
(1)
Does Dr. Gassert have free onsite parking?
74 users said yes.
Yes
(74)
No
(1)
Does Dr. Gassert offer weekend visits?
10 users said yes.
Yes
(10)
No
(30)
Does Dr. Gassert offer evening visits?
12 users said yes.
Yes
(12)
No
(28)
Does Dr. Gassert specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Gassert specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Gassert specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Gassert specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Gassert accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Gassert's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Daniel Gassert, MD. To arrange an appointment, call the number on Dr. Gassert's profile.

Dr. Gassert frequently treats the following conditions: Diaphragmatic and Hiatal Hernia, Constipation, Barrett's Esophagus, Dysphagia, Indigestion, Intestinal Diverticulitis, Gastroptosis, Intestinal Diverticulosis, Intestinal Ulcer, Gastric Ulcer, Nausea, Intestinal Obstruction, Gastrointestinal Bleeding, Cirrhosis, Gastroparesis, Hemorrhoids, Esophageal Motility Disorders, Anal or Rectal Pain, Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD) and Abdominal Pain. See more on Sharecare.

Dr. Daniel Gassert, MD is affiliated with UF Health Flagler Hospital.

Yes, Dr. Daniel Gassert, MD holds board certification in Gastroenterology.
Training & Medical Education
Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • St Elizabeth's Medical Center
Internship
Residency Hospital
  • New York Presbyterian Hospital
    2003
Residency Hospital
Fellowship Hospital
  • Montefiore Medical Center
    2006
Fellowship Hospital

Hospitals Where Dr. Daniel Gassert, MD Practices

  • UF Health Flagler Hospital

    400 Health Park Blvd, Saint Augustine, FL

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