Mark YoungM.D.
Gastroenterology·Johnson City, TN
Mark Young, M.D. is a Gastroenterology provider in Johnson City, TN affiliated with 2 ambulatory surgery centers in TN, as of July 2026.
- NPI1568466969
- Registered2005
- Centers2
- StateTN
- Class of1985
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.
Mark Young at a glance
- Provider
- Mark Young
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Johnson City, TN
- Medical school graduation
- 1985
- NPI registered
- 2005
- NPI
- 1568466969
- 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 Mark Young practice?
Mark Young, M.D. is based in Johnson City, TN and is affiliated with 2 ambulatory surgery centers: The Endoscopy Center Of Northeast Tennessee in Johnson City, TN and East Tennessee Ambulatory Surgery Center in Johnson City, TN. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Young's NPI number?
Mark Young's National Provider Identifier (NPI) is 1568466969, registered in 2005. Specialty on record: Gastroenterology; credential M.D.
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, Mark Young among them. The Tennessee Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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