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Dr. Mark Nightengale, MD
Gastroenterology* Age 64
Dr. Mark Nightengale, MD
5.0 (1 Ratings)

Offers telehealth

Dr. Mark Nightengale, MD is a Gastroenterologist in Tulsa, OK.
Dr. Mark Nightengale, MD
5.0 (1 Ratings)

Dr. Mark Nightengale, MD

Gastroenterology* Age 64
Tulsa, OK
Accepting new patients

Offers telehealth

Dr. Mark Nightengale, MD is a Gastroenterologist in Tulsa, OK.
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About Dr. Mark Nightengale, MD

Dr. Nightengale graduated from University of Oklahoma College of Medicine and completed a residency at Baylor University Medical Center|Mayo Grad School Med/mayo Fndn. Dr. Mark Nightengale, MD is a Gastroenterologist in Tulsa, OK. Dr. Nightengale currently practices at Adult Gastroenterology Associates: Tulsa and is affiliated with Saint Francis Hospital South, Hillcrest Hospital South, Stillwater Medical Center, Hillcrest Medical Center and Northeastern Health System. Dr. Nightengale has experience treating conditions like Gastroptosis, Dysphagia, Esophageal Motility Disorders, Esophagitis, Reflux Esophagitis, Nausea, Abdominal Pain, Inflammatory Bowel Disease, Diarrhea, Eosinophilic Esophagitis, Gastroesophageal Reflux Disease (GERD), Vomiting Disorders, Constipation, Gastritis, Duodenitis and Hemorrhoids among other conditions at varying frequencies. Dr. Nightengale's office accepts new patients and telehealth appointments. Dr. Nightengale is board certified in Gastroenterology and accepts multiple insurance plans.

Where Dr. Mark Nightengale, MD Sees Patients

  1. 1 Adult Gastroenterology Associates: Tulsa
    4200 E Skelly Dr Ste 700, Tulsa, OK 74135
    Monday
    08:00 - 16:30
    Tuesday
    08:00 - 16:30
    Wednesday
    08:00 - 16:30
    Thursday
    08:00 - 16:30
    Friday
    08:00 - 15:00
    Saturday
    Closed
    Sunday
    Closed

Experience and Background Check

Gastroptosis
Dysphagia
Esophageal Motility Disorders
Gastroptosis
Dysphagia
Esophageal Motility Disorders
Esophagitis
Reflux Esophagitis
Nausea
  • View other providers who treat Nausea
Abdominal Pain
Inflammatory Bowel Disease
Diarrhea
  • View other providers who treat Diarrhea
Eosinophilic Esophagitis
Duodenal Polypectomy
Gastroesophageal Reflux Disease (GERD)
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Vomiting Disorders
Constipation
Gastritis
Duodenitis
Hemorrhoids
Colonoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Endoscopy
Intestinal Diverticulosis
Colorectal Polyp
Unexplained Weight Loss
Chronic Gastritis
Ulcerative Colitis
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Manometry
Noninfectious Gastroenteritis and Colitis
Hepatitis B
Gas-Bloat Syndrome
Enteritis
Esophageal Achalasia and Cardiospasm
Crohn's Disease
Intestinal Ulcer
Gastric Ulcer
Viral Enteritis
Neurogenic Bowel
Barrett's Esophagus
Anal or Rectal Pain
Cirrhosis
Acute Gastritis
Intestinal Diverticulitis
Gallstones
Anemia
  • View other providers who treat Anemia
Diaphragmatic and Hiatal Hernia
Splenomegaly
Irritable Bowel Syndrome
Duodenal Ulcer
Esophageal Varices
Gastrointestinal Bleeding
Upper Digestive Tract Cancer
Infectious Diarrheal Disease
Celiac Disease
Hemorrhoidectomy or Excision of Anal Tags
Gastrointestinal Malabsorption
Congenital Anomaly Intestine
Gastroparesis
Esophageal Ulcer
Abdominal Disorders
Alcoholic Cirrhosis
Alcoholic Hepatitis
All Types of Food Poisoning
Ascites
  • View other providers who treat Ascites
Autoimmune Diseases
Autoimmune Hepatitis
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Benign Tumor
Biliary Atresia
Biliary Cirrhosis
Blood Disorders
Bowel Strangulation
Cancer
  • View other providers who treat Cancer
Cholangitis
Cholecystitis and Gallstones
Chronic Anal Fissure
Coccygeal Pain
Colon Cancer
Colorectal Cancer
Dehydration
Diffuse Esophageal Spasm
Duodenal Cancer
Dysentery
E. coli Food Poisoning
Esophageal Cancer
Esophageal Diseases
Esophageal Diverticulum
Familial Adenomatous Polyposis
Food Allergy
Gastrointestinal Diseases
Gastrojejunal Ulcer
Heartburn
Hemochromatosis
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hiatal Hernia with Obstruction
Hypokalemia
Ileus
  • View other providers who treat Ileus
Indigestion
Intestinal Obstruction
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Liver Abscess
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Meckel's Diverticulum
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pancreatic Pseudocyst
Pancreatitis
Pelvic Abscess
Peptic Ulcer
Pinworm
  • View other providers who treat Pinworm
Pouchitis
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Sclerosing Mesenteritis
Small Intestine Cancer
Stomach and Small Intestine Cancer
Stomach Cancer
Stomach Diseases
Stomach Stenosis
Ulcer
  • View other providers who treat Ulcer
Vascular Insufficiency of Intestines
Viral Hepatitis
Visceroptosis
Vitamin_Deficiency
Anoscopy
  • View other providers who treat Anoscopy
Bile Duct Procedure
Colon Cancer Screening
Colorectal Cancer Screening
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Gallbladder Scan
Gastroenterology Procedures
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Proctosigmoidoscopy
Screening Colonoscopy
Sigmoidoscopy
VAP Lipid Testing
Wireless pH Testing

What Patients Say

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

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Patient Reviews
Apr 01, 2025
Compassionate, caring, friendly! I’ve been with Dr Nightengale for over 6years. With family history of colon cancer, it’s great to know an experienced doctor as this one! My family trusts him for his excellent care! He makes you feel like his family. Tulsa’s finest for sure.
J. Buck — Apr 01, 2025
See more reviews on Healthgrades

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Medicaid
  • HealthyBlue Advantage
  • Cigna
  • Blue Cross and Blue Shield
    Blue Cross Blue Shield
  • MultiPlan PPO
  • Medicare
  • National (BlueCard) PPO
  • Community Care Network
  • Commercial Insurance Company
  • Aetna
  • Coventry Health Care
  • Principal Life
  • American Republic
  • Group Health Cooperative
  • HealthSmart
  • Assurant Health
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Coventry Health Care of Oklahoma
  • Humana
  • First Health (Coventry Health Care)
  • United Healthcare
  • Blue Cross Blue Shield of Oklahoma
  • Health Net

Meet Dr. Mark Nightengale, MD

Biography
  • Dr. Mark Nightengale, MD is a gastroenterologist in Tulsa, OK. He specializes in Gastroenterology and Internal Medicine.
Biography
Specialties*
Gastroenterology
Internal Medicine
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.
Training & Medical Education
Medical Education
  • University of Oklahoma College of Medicine
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.
Residency Hospital
  • Baylor University Medical Center|Mayo Grad School Med/mayo Fndn
Residency Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Nightengale communicate via email?
8 users said yes.
Yes
(8)
No
(3)
Does Dr. Nightengale offer telehealth services or virtual visits?
6 users said yes.
Yes
(6)
No
(2)
Does Dr. Nightengale offer an online patient portal?
9 users said yes.
Yes
(9)
No
(3)
Does Dr. Nightengale have free onsite parking?
14 users said yes.
Yes
(14)
No
(3)
Does Dr. Nightengale offer weekend visits?
2 users said yes.
Yes
(2)
No
(6)
Does Dr. Nightengale offer evening visits?
3 users said yes.
Yes
(3)
No
(4)
Does Dr. Nightengale specialize in working with children or adolescents?
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Does Dr. Nightengale specialize in working with seniors?
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Does Dr. Nightengale specialize in couples therapy?
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Does Dr. Nightengale specialize in working with LGBTQ+ community?
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FAQs About Dr. Nightengale'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. Mark Nightengale, MD. To arrange an appointment, call the number on Dr. Nightengale's profile.

Dr. Nightengale frequently treats the following conditions: Gastroptosis, Dysphagia, Esophageal Motility Disorders, Esophagitis, Reflux Esophagitis, Nausea, Abdominal Pain, Inflammatory Bowel Disease, Diarrhea, Eosinophilic Esophagitis, Gastroesophageal Reflux Disease (GERD), Vomiting Disorders, Constipation, Gastritis, Duodenitis and Hemorrhoids. See more on Sharecare.

Dr. Mark Nightengale, MD is affiliated with Saint Francis Hospital South, Hillcrest Hospital South, Stillwater Medical Center, Hillcrest Medical Center and Northeastern Health System.

Yes, Dr. Mark Nightengale, MD holds board certification in Gastroenterology.

Hospitals Where Dr. Mark Nightengale, MD Practices

  • Saint Francis Hospital South

    10501 E 91st St, Tulsa, OK

  • Hillcrest Hospital South

    8801 S 101st East Ave, Tulsa, OK

  • Stillwater Medical Center

    1323 W 6th Ave, Stillwater, OK

  • Hillcrest Medical Center

    1120 S Utica Ave, Tulsa, OK

  • Northeastern Health System

    1400 E Downing St, Tahlequah, OK

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