Summary

Dr. James Underwood specializes in gastroenterology, focusing on digestive health and disorders of the gastrointestinal system. He earned his medical degree from the University of Mississippi and completed his residency training at Johns Hopkins Health System. Dr. Underwood speaks English and brings extensive expertise in diagnosing and treating conditions affecting the stomach, intestines, and related organs.

Dr. Underwood practices at Merit Health Rankin and serves patients across multiple locations in Madison and Flowood, Mississippi. He treats common digestive conditions including GERD, acid reflux, and colon polyps. His procedural expertise includes performing colonoscopies, upper GI endoscopies, and lower GI endoscopies to diagnose and monitor gastrointestinal health. Patients rate Dr. Underwood 4.8 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.8
  • 57 insurance plans accepted
  • speaks English
  • Johns Hopkins Health System
  • 139 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 9 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. James A. Underwood, Jr has 9 locations

Gastrointestinal Associates And Endoscopy Center Pa

106 Highland Way Ste 101Madison, MS 39110
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Womans Hospital

1026 N Flowood DrFlowood, MS 39232

Merit Health River Oaks

1030 River Oaks DrFlowood, MS 39232

Mississippi Baptist Medical Center

1225 N State StJackson, MS 39202

Merit Health Rankin

350 Crossgates BlvdBrandon, MS 39042

Saint Dominics Hospital

969 Lakeland DrJackson, MS 39216

Lackey Memorial Hospital

330 N Broad StForest, MS 39074

Madison

106 Highland WayMadison, MS 39110

Flowood

2510 Lakeland DrFlowood, MS 39232

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Dr. James A. Underwood, Jr JR., MD
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Dr. James A. Underwood, Jr JR., MDAshley Anderson, APRNChimdi Mfebe, APRNShauna Sanderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Madison , MSSacramento , CALittle Rock , ARTallahassee , FL
Med School: University of Mississippi Med School: East Tennessee State University - Quillen College of Medicine Med School: Chamberlain University College of Nursing Med School: Creighton University College of Nursing
Current Profile
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Insurance Plans Accepted by Dr. James A. Underwood, Jr

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - Medicare (Advantage HMO)
  • Allwell
  • Ambetter
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Mississippi
  • Blue Cross Blue Shield of Mississippi - Federal Employees Program
  • Blue Cross Blue Shield of Texas
  • Blue Cross Blue Shield of Texas - Federal Employees Program
  • Cigna
  • Cigna-HealthSpring
  • Cigna-HealthSpring - HMO
  • Cigna-HealthSpring - Medicare
  • Devoted Health
  • Gateway Health
  • GEHA
  • Golden Rule
  • HealthScope Benefits
  • Home State Health Plan
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • Liberty Mutual
  • Liberty Mutual - Workers’ Compensation
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Medicare - Medicare (Advantage HMO)
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • Pan-American Life Insurance Group
  • Physicians Mutual
  • STLDentalPlan| LLC
  • Transamerica
  • Travelers
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - CHIP
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • Vantage Health Plan, Inc.
  • Vantage Health Plan, Inc. - Medicare
  • Wellcare
  • Wellcare - Medicare
  • Wellcare - Medicare (Advantage HMO)

Medical Specialties

Dr. James A. Underwood, Jr has the following specialty

Specialty Expertise

Dr. James A. Underwood, Jr has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Multiple Sclerosis (MS)
  • Ulcerative Colitis

Certifications, License, & Education

Education & Training

Residency

Completed their residency at Johns Hopkins Health System.

Medical School

Graduated from University of Mississippi.

NPI Number

Dr. Underwood, Jr's NPI number is 1447240494.

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Frequently Asked Questions

Does Dr. James Underwood, Jr accept my insurance?
You can see the insurance plans that Dr. James Underwood, Jr accepts on their Vitals profile.
Is Dr. James Underwood, Jr accepting new patients?
Dr. James Underwood, Jr is accepting new patients on Vitals. View Dr. James Underwood, Jr's profile on Vitals to make an appointment.
Which hospitals is Dr. James Underwood, Jr affiliated with?
Dr. James Underwood, Jr is affiliated with Merit Health Rankin.
Does Dr. James Underwood, Jr accept virtual/telehealth appointments?
Dr. James Underwood, Jr has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. James Underwood, Jr?
You can find contact information for Dr. James Underwood, Jr here on Vitals.

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