Frederik A. Pennings, M.D., PHD
NPI 1215126479ActiveIndividual· Neurological Surgery· Worcester, MA
Neurological Surgery (M.D., PHD) with Holyoke Medical Center Inc, practicing in Worcester, Massachusetts. Medicare paid $200,546 for services to 176 patients in 2024. Ctl Medical Corporation was the largest of 4 companies reporting payments in 2025, $85,797 in all, mostly consulting fees. Lists Cooley Dickinson Hospital Inc,the and 1 other hospital as hospital affiliations.
Overview
| NPI | 1215126479 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PHD |
| Sole proprietor | No |
| NPI issued | Oct 23, 2007 |
| Last updated in NPPES | Oct 5, 2021 |
| Certified by provider | Oct 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 234128 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 487 across 40 procedure codes |
| Paid by Medicare | $200,546 |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Neurosurgery |
Medical group
- Holyoke Medical Center IncHolyoke, MA · 205 clinicians
Hospital affiliations
- Cooley Dickinson Hospital Inc,theNorthampton, MA
- Holyoke Medical CenterHolyoke, MA
Other facilities
- Holyoke Visiting Nurse AssocHome health agency · Holyoke, MA
Industry payments (Open Payments)
- 2025$85,797 · 26 payments from 4 companies
- 2024$75,366 · 17 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ctl Medical Corporation | $84,000 | 12 |
| Arthrex, Inc. | $1,306 | 10 |
| Powerlink Ai, Inc. | $397.60 | 3 |
| Depuy Synthes Sales Inc. | $93.64 | 1 |
What the 2025 payments were for
- Consulting Fee$84,000 · 12 payments
- Travel and Lodging$1,374 · 4 payments
- Food and Beverage$422.64 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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