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

Individual provider Neurological Surgery Physician · NPI 1174575690

Mark S Dias, MD is a Neurosurgery in Hershey, Pennsylvania. Graduated from Johns Hopkins University School of Medicine in 1982, 44 years ago. Practices with The Milton S Hershey Medical Center Physicians Group, a 1,595-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
44
Trained at
Johns Hopkins University School of Medicine
Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

500 University Dr
Hershey, PA 17033-2360
Phone: (800) 243-1455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence MD029830E (PA)

Record details

NPI number1174575690
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESDecember 7, 2011
Mailing addressPo Box 854, Mc A410, Hershey, PA 17033-0854

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice The Milton S Hershey Medical Center Physicians Group — 1595 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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