Justin PieperMD
Internal Medicine·Saint Louis, MO
Justin Pieper, MD is an Internal Medicine provider in Saint Louis, MO, as of July 2026.
- NPI1528597846
- Registered2017
- Class of2017
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Justin Pieper at a glance
- Provider
- Justin Pieper
- Credential
- MD
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Saint Louis, MO
- Medical school graduation
- 2017
- NPI registered
- 2017
- NPI
- 1528597846
- 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 Justin Pieper practice?
Justin Pieper, MD is based in Saint Louis, MO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Justin Pieper's NPI number?
Justin Pieper's National Provider Identifier (NPI) is 1528597846, registered in 2017. Specialty on record: Internal Medicine; credential MD.
How many Internal Medicine providers in Missouri work at ambulatory surgery centers?
16 Internal Medicine surgeons and proceduralists in Missouri are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Justin Pieper among them. The Missouri Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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