Justin A. Pieper, MD
Justin A. Pieper, MD is an Internal Medicine in Saint Louis, Missouri. Qualified in 2017, 9 years ago. Practices with Mercy Clinic Heart and Vascular LLC, a 111-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Missouri.
- Years since qualifying
- 9
- Licensed in
- MO
- In the registry since
- 2017
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
625 S New Ballas Rd Ste 2015Saint Louis, MO 63141-8253
Phone: (314) 251-1700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (2)
- 625 S New Ballas Rd Ste 2030, Saint Louis, MO 63141-8253 — (314) 251-1700
- 1000 E Cherry St Fl 3, Troy, MO 63379-1513 — (314) 251-1700
Specialties & licences
| Clinical Cardiac Electrophysiology Physician (primary) | Taxonomy 207RC0001X · Licence 2025031646 (MO) |
|---|
Record details
| NPI number | 1528597846 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | June 8, 2017 |
| Last updated in NPPES | August 25, 2025 |
| Certification date | August 25, 2025 |
Medicare enrollment
| Medicare specialty | INTERNAL MEDICINE |
|---|---|
| Also practises | CARDIAC ELECTROPHYSIOLOGY |
| Medical school | OTHER |
| Graduated | 2017 (9 years in practice) |
| Group practice | Mercy Clinic Heart And Vascular Llc — 111 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in Saint Louis
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Dr. Daniel Horatio Cooper, MD
4921 Parkview Pl Div Im Cardiology Ste 8B, Saint Louis, MO 63110-1032 · (314) 362-1291
-
Dr. Philip L Mar, MD, PHARMD
3635 Vista Ave Fl 15, Saint Louis, MO 63110-2539 · (314) 268-7975
-
Dr. Ali Akbar Mehdirad, MD
777 S New Ballas Rd Ste 300E, Saint Louis, MO 63141-8705 · (314) 432-7839
-
Dr. Eric James Nordsieck, MD
625 S New Ballas Rd Ste 2015, Saint Louis, MO 63141-8253 · (314) 251-1700
-
Peter Rothstein, MD
10012 Kennerly Rd Ste 300, Saint Louis, MO 63128-2197 · (314) 692-2807