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Dr. Johnasan Gregory, MD

Gastroenterology*
2.7 (17)
Map Pin Small Longview, TX
Accepting new patients
40 years of experience

Overview of Dr. Johnasan Gregory, MD

Dr. Johnasan Gregory, MD is a Gastroenterology Specialist in Longview, TX. They specialize in Gastroenterology, has 40 years of experience, and is board certified in Gastroenterology. They graduated from University of Texas Health Sciences Center at San Antonio Long School of Medicine and is affiliated with Longview Regional Medical Center. Dr. Gregory, completed a residency at University Ark. Patients rated Dr. Gregory an average 2.7 star rating.

Dr. Gregory works at Practice in Longview, TX. They are accepting new patients and accept Aetna, Blue Cross Blue Shield and Cigna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Gregory's Office Locations

  1. 1
    Longview Gastroenterology Clinic
    905 Pegues Pl, Longview, TX 75601 Icon Directions Right Arrow Directions Phone Icon (903) 753-6688
  2. 2
    Office
    1125 Judson Rd Ste 152, Longview, TX 75601 Icon Directions Right Arrow Directions Phone Icon (903) 753-6688

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Longview Regional Medical Center

Experience & Treatment Frequency

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HighFrequency
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May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Arterial Blood Gas Test (ABG)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Arterial Blood Gas Test (ABG)

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Arterial Blood Gas Test (ABG)
Abdominal Pain
Acute Bronchitis
Acute Lower Respiratory Infection
Alcoholic Gastritis
Anemia
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Barrett's Esophagus
Colorectal Polyp
Constipation
Diaphragmatic and Hiatal Hernia
Diarrhea
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Dysphagia
Esophagitis
Familial Adenomatous Polyposis
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Hemorrhoids
Intestinal Diverticulosis
Limb Pain
Nausea
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Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Tobacco Use Disorder
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Electrocardiogram (EKG)
Endoscopy (Esophagus, Stomach, Small Intestine)
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Abdominal Disorders
Abnormal Thyroid
Acidosis
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Acute Deep Vein Thrombosis (DVT)
Acute Gastritis
Acute Kidney Infection
Acute Pharyngitis
Acute Sinusitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Alcoholic Hepatitis
All Headaches (incl. Migraine)
Allergic Rhinitis
Anal or Rectal Pain
Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Ascites
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Asphyxia and Hypoxemia
Asthma
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Asymptomatic Post-Menopausal Status
Atherosclerosis
Athlete's Foot
Back Pain
Barretts Esophagus with Dysplasia
Bedsores
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Benign Neoplasm of the Digestive System
Benign Tumor
Biliary Atresia
Bladder Infection
Bowel Strangulation
Bronchitis
Bursitis
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Calcium Metabolism Disorders
Celiac Disease
Cellulitis
Chest Pain
Cholecystitis and Gallstones
Chronic Gastritis
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Cirrhosis
Colon Cancer
Colon Disorders
Colorectal Cancer
Congenital Achalasia
Congenital Anomaly Intestine
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Crohn's Disease
Deep Vein Thrombosis (DVT)
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Diffuse Esophageal Spasm
Diverticular Diseases
Dizziness
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Dysentery
Dyslipidemia
Eczema and Contact Dermatitis
Eczema and Contact Dermatitis Due to Detergents
Emphysema
Enlarged Prostate (BPH)
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diseases
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Fibromyalgia
Food Allergy
Gait Abnormality
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gastroparesis
Gastroptosis
Gonorrhea Infections
Gout
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Headache
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Heart Disease
Heartburn
Hepatitis C
Hernia
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Herpes Zoster Without Complication
Hiatal Hernia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Ileus
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Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Insomnia
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Intestinal Diverticulitis
Intestinal Ischemia
Intestinal Obstruction
Intestinal Ulcer
Iodine Deficiency
Iron Metabolism Disorders
Irritable Bowel Syndrome
Ischemic Colitis
Joint Pain
Kidney Infection
Leg and Foot Ulcers
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Mallory-Weiss Syndrome
Mastodynia
Meckel's Diverticulum
Menopausal and Postmenopausal Disorders
Migraine
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Mineral Metabolism Disorders
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Neoplasm of Gastrointestinal Tract
Nighttime Urination (Nocturia)
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Nosebleed
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Shoulder
Osteopenia
Osteoporosis
Otitis Media
Overweight
Pancreatitis
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pericardial Disease
Peripheral Nerve Disorders
Pharyngitis
Phlebitis and Thrombophlebitis
Pneumonia
Pollen Allergy
Polyneuropathy
Polyps
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Polyuria
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Prostatitis
Pyloric Stenosis
Radiculopathy
Rash
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Raynaud's Disease
Rectal Diseases
Restless Leg Syndrome
Ringworm
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Sarcoidosis
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Skin Ulcer
Sleep Apnea
Sleep-Related Leg Cramp
Sprains and Strains (incl. Muscle Tear)
Stomach Diseases
Stomal Ulcer
Strep Throat
Symptomatic Menopause
Syphilis Infections
Thrush
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Thyroid Goiter
Tinnitus
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Transient Ischemic Attack (TIA)
Tremor
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Ulcer
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Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vaginitis or Vaginosis
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
Wheezing
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Bile Duct Procedure
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
Endoscopy
Fecal Occult Blood Test for Colorectal Cancer
Gallbladder Scan
Gastroenterology Procedures
Hemorrhoid Removal
Hemorrhoidectomy or Excision of Anal Tags
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Immunization Administration
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
VAP Lipid Testing
Wireless pH Testing
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    • Aetna
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    • Blue Cross Blue Shield
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    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    2.7
    Average provider rating
    Based on 17 ratings
    Patient Ratings (17)
    5 Star
    (7)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (1)
    1 Star
    (9)
    Leave a review

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    About Dr. Johnasan Gregory, MD

    Specialties*
    • Gastroenterology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 40 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1699774869
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • University Tex San Antonio
    Fellowship
    Residency
    • University Ark
    Residency
    Internship
    • University of Arkansas for Medical Sciences College of Medicine
    Internship
    Medical Education
    • University of Texas Health Sciences Center at San Antonio Long School of Medicine
    Medical Education
    Undergraduate School
    • Corpus Christi State University
    Undergraduate School
    Board Certifications
    • Gastroenterology and Internal Medicine
    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.

    Frequently Asked Questions

    Dr. Johnasan Gregory, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Gregory is offering online scheduling or call the provider’s office for more information.

    Dr. Gregory has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    17 patients have reviewed Dr. Gregory. The overall rating for this provider is 2.7. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Gregory.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Gregory, there are benefits to both methods. A person calling to schedule an with Dr. Gregory appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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