Doctor profile · Federal record
Dr. Frederik Pennings, M.D., PHD
Neurological Surgery Physician (CMS: Neurosurgery) · Worcester, MA
- NPI 1215126479
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
119 Belmont St
Worcester, MA 016052903
(508) 334-1886
fax (508) 334-9769 - Mailing address
-
175 Carew St, Ste 300
Springfield, MA 011042478
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- October 5, 2021
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- Massachusetts #234128
- Medicaid (2)
- MA #2148056 · MA #110078576A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215126479. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
219
Distinct HCPCS
10
Medicare allowed
$98,182
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $134 | |
22853 |
Insertion of cage or mesh device to spine bone and disc space during spine fusion | 35 | 26 | $249 | |
63047 |
Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 22 | 22 | $1,108 | |
22558 |
Fusion of lower spine bone through abdomen with partial removal of disc | 19 | 19 | $799 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 18 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 18 | $98 | |
22612 |
Fusion of spine in lower back | 18 | 18 | $1,510 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $182 | |
22840 |
Placement of stabilizing device to back of 1 spine bone in neck | 15 | 15 | $708 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 15 | 15 | $36 |
In context: peer comparison
Among 6 peers in Worcester Neurological Surgery Physician, average services per provider: 34. This provider delivers 6.4× the peer median.Open Payments
Industry payments received
All-time total
$75,366
Transactions
17
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ctl Medical Corporation | 14 | $74,193.29 | |
| 4Web, INC. | 1 | $1,000.00 | |
| Life Spine, INC. | 1 | $134.27 | |
| Ethicon US, LLC | 1 | $37.98 |
By nature of payment
Frequently asked questions
What is Dr. Frederik Pennings's medical specialty?
Dr. Frederik Pennings practices Neurological Surgery Physician in Worcester, MA.
Where does Dr. Frederik Pennings practice?
Dr. Frederik Pennings practices at 119 Belmont St, Worcester, MA 016052903. Office phone: 5083341886.
What is Dr. Frederik Pennings's NPI?
Dr. Frederik Pennings's National Provider Identifier (NPI) is 1215126479, issued by NPPES.
Does Dr. Frederik Pennings accept Medicare assignment?
Yes. Dr. Frederik Pennings accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frederik Pennings commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Insertion of cage or mesh device to spine bone and disc space during spine fusion (HCPCS 22853); Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (HCPCS 63047). Source: CMS Medicare Physician & Other Practitioners file.