Ronald L. Hammers, M.D.
NPI 1730340324ActiveIndividual· Neurological Surgery· Parker, CO
Neurological Surgery (M.D.) in Parker, Colorado, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2004). Mostly services rather than prescriptions: Medicare paid $103,131 for 153 patients in 2024, with only 35 Part D claims. Medtronic, Inc. was the largest of 7 companies reporting payments in 2025, $1,443 in all, mostly food and beverage.
Overview
| NPI | 1730340324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2008 |
| Last updated in NPPES | Nov 4, 2025 |
| Certified by provider | Nov 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | DR.49792 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 357 across 42 procedure codes |
| Paid by Medicare | $103,131 |
Part D prescriptions in 2024
| Prescriptions (claims) | 35 · 35 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $330.04 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Neurosurgery |
Medical group
- Portercare Adventist Health SystemDenver, CO · 774 clinicians
Hospital affiliations
- Adventhealth Castle RockCastle Rock, CO
- Adventhealth ParkerParker, CO
Industry payments (Open Payments)
- 2025$1,443 · 16 payments from 7 companies
- 2024$1,197 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,060 | 8 |
| Boston Scientific Corporation | $234.85 | 3 |
| Depuy Synthes Sales Inc. | $43.10 | 1 |
| Tanabe Pharma America, Inc. | $33.10 | 1 |
| Alexion Pharmaceuticals, Inc. | $27.33 | 1 |
What the 2025 payments were for
- Food and Beverage$1,036 · 14 payments
- Travel and Lodging$407.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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