Loren Nathan Bach, M.D.
NPI 1205279650ActiveIndividual· Surgery· Saint Louis, MO
Surgery (M.D.) in Saint Louis, Missouri, trained at University of Minnesota Medical School (class of 2013). 182 Medicare patients in 2024, $46,367 paid; nearly all of their 62 Part D prescriptions were generic (97%). Zimmer Biomet Holdings, Inc. was the largest of 6 companies reporting payments in 2025, $1,058 in all, mostly travel and lodging.
Overview
| NPI | 1205279650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2013 |
| Last updated in NPPES | May 30, 2023 |
| Certified by provider | May 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 2019029089 | MO |
| Surgery | 208600000X | 59069 | MN |
| Neurological Surgery | 207T00000X | 59069 | MN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 369 across 51 procedure codes |
| Paid by Medicare | $46,367 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 64 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $306.26 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
Medical groups
- Elite Physical Therapy of Creve Coeur LLCCreve Coeur, MO · 91 clinicians
- Mercy Clinic Trauma and General Surgery LLCSaint Louis, MO · 43 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$1,058 · 11 payments from 6 companies
- 2024$1,040 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $869.15 | 4 |
| Solventum Corporation | $63.04 | 3 |
| Ethicon US, LLC | $54.72 | 1 |
| Intuitive Surgical, Inc. | $29.60 | 1 |
| Baxter Healthcare | $25.29 | 1 |
What the 2025 payments were for
- Travel and Lodging$807.26 · 2 payments
- Food and Beverage$251.14 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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