Dr. William P. Lancaster
- Gender: Male
- Experience: 10 years
- Graduated from: University Of Alabama School Of Medicine
- Graduation year: 2011
- Sole propriator: No
- NPI: 1861787780
Dr. William P. Lancaster M.D.
Gastroenterologist
He is located at 169 Ashley Avenue in Charleston, SC 29425. Can help patients with the following: Childhood Obesity, Gallstones, Hemorrhoids, Hernia, Irritable Bowel Syndrome (IBS), Pancreatic Cancer. His National Provider Identifier (NPI) number is 1861787780. Appointment can be made via the phone number (843) 792-1414. He also has a website where you can get more information. The website can be found at https://muschealth.org/muscapps/providerdirectory/Lancaster-William. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. William Purvis Lancaster, 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. William P. Lancaster.
- Abdominal Pain
- Achalasia
- Anal Fissure
- Anemia
- Appendicitis
- Ascites
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bleeding Varices
- Blood in Stool
- Boils
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Childhood Obesity
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colon Cancer
- Colonoscopy
- Constipation
- Crohn's Disease
- Cyst
- Diarrhea
- Diverticulosis
- Enlarged Spleen
- Eosinophilic Esophagitis
- Esophageal Cancer
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Food Allergies
- Gallbladder Pain
- Gallstones
- Gangrene
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hernia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Lymphedema
- Nausea and Vomiting
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Portal Hypertension
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Sebaceous Cyst
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William P. Lancaster as in-network for the following 2026 plans.
Health plans
First Choice Next
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 8 plans from First Choice Next
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| First Choice Next Bronze Essential | HMO · Bronze | Preferred | Accepting new patients |
| First Choice Next Bronze Premier | HMO · Expanded Bronze | Preferred | Accepting new patients |
| First Choice Next Bronze Signature | HMO · Expanded Bronze | Preferred | Accepting new patients |
| First Choice Next Gold Premier | HMO · Gold | Preferred | Accepting new patients |
| First Choice Next Gold Signature | HMO · Gold | Preferred | Accepting new patients |
| First Choice Next Silver Essential | HMO · Silver | Preferred | Accepting new patients |
| First Choice Next Silver Premier | HMO · Silver | Preferred | Accepting new patients |
| First Choice Next Silver Signature | HMO · Silver | 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. William P. Lancaster 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. William P. Lancaster is enrolled to bill Medicare as a Practitioner - General Surgery .
Bills through: University Medical Associates Of The Medical University Of South Carol
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
| Intuitive Surgical | $1159 |
| Ethicon Us | $422 |
| Medtronic | $154 |
Other
| Travel and Lodging | $1079 |
| Food and Beverage | $867 |
Studies
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated in 2011Other ways to reach out
- Website: https://muschealth.org/muscapps/providerdirectory/Lancaster-William
Additional Specialities
- Surgeon
Looking for more Gastroenterologists?
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- Address: 171 Ashley Avenue Charleston, 29425, SC
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- Gender: Male
- Address: 171 Ashley Avenue Charleston, 29425, SC
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- Address: 2073 Charlie Hall Boulevard Charleston, 29414, SC
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- Address: 125 Doughty Street Suite 280 Charleston, 29403, SC
- Gender: Male
- Address: 25 Courtenay Drive Charleston, 29425, SC
- Gender: Male
- Address: 125 Doughty Street Suite 280 Charleston, 29403, SC
- Gender: Female
- Address: 25 Courtenay Drive Charleston, 29425, SC
Questions & Answers
What conditions does Dr. William Purvis Lancaster treat?
Dr. William Purvis Lancaster provides treatment for Childhood Obesity, Gallstones, Hemorrhoids, Hernia, Irritable Bowel Syndrome (IBS), Pancreatic Cancer. For the full list see this list.
Does Dr. William Purvis Lancaster have affiliation with practices?
Dr. William Purvis Lancaster is affiliated with IU Health Physicians Otolaryngology Head & Neck Surgery. For the full list of practices see this list.
Has Dr. William Purvis Lancaster affiliation with hospitals?
Dr. William Purvis Lancaster is affiliated with MUSC MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. William Purvis Lancaster?
Dr. William Purvis Lancaster's office is located at 169 Ashley Avenue in Charleston, SC 29425.
Does Dr. William Purvis Lancaster accept patients with First Choice Next?
Yes, Dr. William Purvis Lancaster is listed in-network for First Choice Next through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.