Dr. Robert D. Loudon
- Gender: Male
- Experience: 22 years
- Graduated from: Louisiana State University School Of Medicine In Shreveport
- Graduation year: 1999
- Sole propriator: No
- NPI: 1487608881
Dr. Robert D. Loudon M.D.
Gastroenterologist
He is located at 1010 1st Street North Suite 112 in Alabaster, AL 35007. Can help patients with the following: Chronic Obstructive Pulmonary Disease (COPD), General Care, Hepatitis A (HAV), Influenza, Migraine, Nausea and Vomiting. His National Provider Identifier (NPI) number is 1487608881. Appointment can be made via the phone number (205) 663-1023. He is affiliated with 2 practices and 3 hospitals.
Conditions treated
Dr. Robert David Loudon, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Robert D. Loudon.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Robert D. Loudon
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Robert D. Loudon as in-network for the following 2026 plans.
Health plans
Ambetter of Alabama
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from Ambetter of Alabama
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Elite Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Gold | EPO · Gold | Preferred | Accepting new patients |
| Elite Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options | EPO · Silver | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | EPO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Robert D. Loudon is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Robert D. Loudon is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Gastroenterology Associates Of North-central Alabama Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AbbVie | $889 |
| Takeda | $725 |
| Ironwood Pharmaceuticals | $470 |
Other
| Food and Beverage | $5923 |
| Other | $98 |
Studies
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated in 1999Additional Specialities
- Internist
Affiliated hospitals
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Questions & Answers
Does Dr. Robert David Loudon have affiliation with practices?
Dr. Robert David Loudon is affiliated with Gastroenterology Associates North Central Alabama. For the full list of practices see this list.
Has Dr. Robert David Loudon affiliation with hospitals?
Dr. Robert David Loudon is affiliated with GRANDVIEW MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Robert David Loudon treat?
Dr. Robert David Loudon provides treatment for Chronic Obstructive Pulmonary Disease (COPD), General Care, Hepatitis A (HAV), Influenza, Migraine, Nausea and Vomiting. For the full list see this list.
Does Dr. Robert David Loudon accept patients with Ambetter of Alabama?
Yes, Dr. Robert David Loudon is listed in-network for Ambetter of Alabama through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Robert David Loudon?
Dr. Robert David Loudon's office is located at 1010 1st Street North Suite 112 in Alabaster, AL 35007.