Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Frederik A Pennings, MD, PHD

Individual provider Neurological Surgery Physician · NPI 1215126479

Frederik A Pennings, MD, PHD is a Neurosurgery in Worcester, Massachusetts. Qualified in 1995, 31 years ago. Practices with Holyoke Medical Center Inc, a 201-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
31
Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

119 Belmont St
Worcester, MA 01605-2903
Phone: (508) 334-1886
Fax: (508) 334-9769
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 234128 (MA)

Record details

NPI number1215126479
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedOctober 23, 2007
Last updated in NPPESOctober 5, 2021
Certification dateOctober 5, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROSURGERY
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Holyoke Medical Center Inc — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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