NPPES file of Aug 9, 2026

Frederik A. Pennings, M.D., PHD

Neurological Surgery Physician · Worcester, MA

Frederik A. Pennings, M.D., PHD is a neurological surgery physician with a practice address in Worcester, Massachusetts, and NPI 1215126479, issued on Oct 23, 2007. Check the license (Massachusetts 234128, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215126479
Name
Frederik A. Pennings
Credential
M.D., PHD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
234128 MA
Self-reported in NPPES; status is on the state search
Practice location
119 Belmont St, Worcester, MA 01605
Phone
(508) 334-1886
Enumerated
Oct 23, 2007
Record last updated
Oct 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(508) 334-9769
Medicaid IDs
2148056 MA
110078576A MA
Medicare enrollment
Enrolled (PECOS I20080311000298); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 119 Belmont St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elisa Abdulhayoglu, MDNeonatal-Perinatal Medicine Physician1053346007
  2. Edward Adams, MDInternal Medicine Physician1881157444
  3. Redwan Ahmed, MDFamily Medicine Physician1356830103
  4. Hashim Al-Ani, MDInternal Medicine Physician1235863358
  5. Muhammad Albanna, MDInternal Medicine Physician1194404681
  6. Yury Aleksandrovich, MDInternal Medicine Physician1912469388

Verify Frederik A. Pennings in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 234128    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $75,365.54

17 payments; by number, the most common kind was consulting fee; the largest payer was Ctl Medical Corporation. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Frederik Pennings$75,366
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Holyoke Medical Center IncHolyoke, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Neurological Surgery Physician providers in Massachusetts

There are 236 neurological surgery physician records in Massachusetts.

All 236 in Massachusetts → Every provider in Worcester →

Other neurological surgery physician records in Massachusetts

  1. Muhammad Abd-El-Barr, M.D., PH.D.Boston, MA1891922688
  2. Mohamad Abdelazeez Khaled, MDSpringfield, MA1285825604
  3. Christopher Adereti, MDBurlington, MA1932945664
  4. Ghusn Al Sideiri, MDBoston, MA1184243792
  5. Ossama Al-Mefty, MDBoston, MA1134219611
  6. Naif Alotaibi, MDBoston, MA1467001990
  7. Ron Alterman, M.D.Boston, MA1750357430
  8. Christopher Alvarez-Breckenridge, MD, PHDBoston, MA1396181640
  9. Peter Amenta, M.D.Worcester, MA1447460985
  10. Shapur Ameri, M.D.Framingham, MA1649258724

Common questions

What is Frederik A. Pennings, M.D., PHD's NPI number?

Frederik A. Pennings, M.D., PHD's National Provider Identifier (NPI) is 1215126479, issued on Oct 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Frederik A. Pennings, M.D., PHD located?

The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 334-1886. Providers update this record themselves, so call before visiting.

How can I verify Frederik A. Pennings, M.D., PHD's license?

NPPES lists Massachusetts license number 234128, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.