Erik Michael Grossmann, M.D.
NPI 1851367601ActiveIndividual· Colon & Rectal Surgery· Columbia, MO
Colon & Rectal Surgery (M.D.) in Columbia, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 1996). 175 Medicare patients in 2024, $70,867 paid; all of their 112 Part D prescriptions were generic. Ethicon US, LLC reported $77.11 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1851367601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 23, 2006 |
| Last updated in NPPES | Apr 11, 2023 |
| Certified by provider | Apr 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 110753 | MO |
| Surgery | 208600000X | 110753 | MO |
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 - Colorectal Surgery (Proctology) (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 429 across 61 procedure codes |
| Paid by Medicare | $70,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 112 · 114 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $834.56 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | General Surgery, Surgical Oncology |
Medical group
- The Curators of the University of MissouriColumbia, MO · 1,131 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- University of Missouri Health CareColumbia, MO
Other facilities
- Elara CaringHome health agency · Jefferson City, MO
Industry payments (Open Payments)
- 2025$77.11 · 1 payment from 1 company
- 2024$43.99 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $77.11 | 1 |
What the 2025 payments were for
- Food and Beverage$77.11 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Colon & Rectal Surgery providers in Columbia
- 1831624873
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