William ErgenM.D.
Gastroenterology·Knoxville, TN
William Ergen, M.D. is a Gastroenterology provider in Knoxville, TN affiliated with 4 ambulatory surgery centers in TN, as of July 2026.
- NPI1710249529
- Registered2012
- Centers4
- StateTN
- Class of2012
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- Middlebrook ASC LLCKnoxville, TN · ENT, Gastroenterology · 24 on panelView center →
- The Endoscopy CenterKnoxville, TN · Gastroenterology · 24 on panelView center →
- Endoscopy Center Of Knoxville LpKnoxville, TN · Gastroenterology · 10 on panelView center →
- The Endoscopy Center NorthKnoxville, TN · Gastroenterology · 14 on panelView center →
Education
Education on record as of August 2026.
William Ergen at a glance
- Provider
- William Ergen
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Knoxville, TN
- Medical school
- University of Tennessee, HSC, College of Medicine
- Graduated
- 2012
- NPI registered
- 2012
- NPI
- 1710249529
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does William Ergen practice?
William Ergen, M.D. is based in Knoxville, TN and is affiliated with 4 ambulatory surgery centers: Middlebrook ASC LLC in Knoxville, TN, The Endoscopy Center in Knoxville, TN, Endoscopy Center Of Knoxville Lp in Knoxville, TN, and The Endoscopy Center North in Knoxville, TN. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is William Ergen's NPI number?
William Ergen's National Provider Identifier (NPI) is 1710249529, registered in 2012. Specialty on record: Gastroenterology; credential M.D.
Where did William Ergen go to medical school?
William Ergen, M.D. attended University of Tennessee, HSC, College of Medicine, graduating in 2012.
How many Gastroenterology providers in Tennessee work at ambulatory surgery centers?
121 Gastroenterology surgeons and proceduralists in Tennessee are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, William Ergen among them. The Tennessee Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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