Damien M. Benjamin, MD
NPI 1407881055ActiveIndividual· Surgery· Chillicothe, OH
Surgery (MD) in Chillicothe, Ohio, trained at Warren Alpert Medical School of Brown University (class of 1997). 213 Medicare patients in 2024, $51,526 paid; nearly all of their 155 Part D prescriptions were generic (97%). Phathom Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $69.52 in all, mostly food and beverage.
Overview
| NPI | 1407881055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Nov 20, 2020 |
| Certified by provider | Nov 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 35.083554 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 385 across 46 procedure codes |
| Paid by Medicare | $51,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 155 · 155 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $1,371 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | General Surgery |
Medical group
- Adena Medical Group LLCChillicothe, OH · 386 clinicians
Hospital affiliations
- Adena Pike Medical CenterWaverly, OH
- Adena Regional Medical CenterChillicothe, OH
Industry payments (Open Payments)
- 2025$69.52 · 4 payments from 4 companies
- 2024$202.96 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $19.46 | 1 |
| Ardelyx, Inc. | $17.83 | 1 |
| Madrigal Pharmaceuticals | $17.26 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $14.97 | 1 |
What the 2025 payments were for
- Food and Beverage$69.52 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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