NPPES file of Aug 9, 2026

Mark S. Dias, MD

Neurological Surgery Physician · Hershey, PA

Mark S. Dias, MD is a neurological surgery physician with a practice address in Hershey, Pennsylvania, and NPI 1174575690, issued on May 16, 2006. Check the license (Pennsylvania MD029830E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1174575690
Name
Mark S. Dias
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
MD029830E PA
Self-reported in NPPES; status is on the state search
Practice location
500 University Dr, Hershey, PA 17033
Phone
(800) 243-1455
Enumerated
May 16, 2006
Record last updated
Dec 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
0014122220003 PA
Medicare enrollment
Enrolled (PECOS I20101123000027); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1982
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.
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Also registered at 500 University Dr

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

  1. Victor Abarca, CRNACertified Registered Nurse Anesthetist1003575853
  2. Aiza Abbas, MDStudent in an Organized Health Care Education/Training Program1164312500
  3. Fatemeh Abbasi, MDPulmonary Disease Physician1750878625
  4. Andrea Abbe, LDNRegistered Dietitian1366623795
  5. Mahdi Abdallah, MDStudent in an Organized Health Care Education/Training Program1497457360
  6. Ashraf Abdelhalim, MDAnesthesiology Physician1356931729

Verify Mark S. Dias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD029830E
    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 Pennsylvania 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.

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Bills Medicare through one group practice

  1. The Milton S Hershey Medical Center Physicians GroupHershey, PA

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

Mark S. Dias among 447 neurological surgery physician records in Pennsylvania

Mark S. Dias, MD is one of 447 neurological surgery physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 63% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1982 · median 2006 among the 311 with a school on file
  • Record last updated2011 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 neurological surgery physician records list a practice address in Hershey

They are 35 of the 3,972 NPPES records with a practice address in Hershey, and 447 neurological surgery physician records in Pennsylvania.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Dawit Aregawi, M.D.Hershey, PA 170331962424960
  2. Kevin Cockroft, MDHershey, PA 170331356393870
  3. Carlo De Luna, MDHershey, PA 170331629028220
  4. Michael Glantz, M.D.Hershey, PA 170331568457695
  5. Kimberly Harbaugh, MDHershey, PA 170331083666507
  6. Robert Harbaugh, MDHershey, PA 170331811949332
  7. Mark Iantosca, MDHershey, PA 170331386694925
  8. Joseph Martin, MDHershey, PA 170331962454488

Common questions

What is Mark S. Dias, MD's NPI number?

Mark S. Dias, MD's National Provider Identifier (NPI) is 1174575690, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Dias, MD located?

The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Dias, MD's license?

NPPES lists Pennsylvania license number MD029830E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.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.

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.