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About

Summary: The Milton S. Hershey Medical Center Physicians Group is Penn State Health’s academic medical center in Hershey, PA. It operates within the Penn State Heart and Vascular Institute and offers coordinated, team-based care for heart, veins, and arteries. It is a private, active healthcare company based in central Pennsylvania, with multiple listed phone numbers for patient contact. The page emphasizes the medical center as part of Penn State Health, serving as a reference point for affiliated physicians and services rather than detailing sleep research or a dedicated Sleep Research and Treatment Center. For sleep-focused care or research, consider contacting Penn State Health or exploring associated sleep medicine services within the Penn State Health system in Hershey.

Clinic Type

Sleep Medicine

Address

1214 West End Ave Suite 1159, Hummelstown, PA 17036

Phone

717-531-0678

Email

Opening Hours

Sunday: Closed; Monday - Friday: 8:00 am - 4:30 pm; Saturday: Closed

Services Offered

  • Sleep Medicine
  • Pediatrics
  • Sleep Medicine for Pediatric Neurology
  • Psychiatry
  • Psychology
  • Behavior and Developmental Pediatrics
  • Child and Adolescent Psychology
  • Clinical Psychologist
  • Pediatric Neurology
  • Pediatric Pulmonology
  • Internal Medicine
  • Critical Care Medicine

Team

  • Alexandros N. Vgontzas, Sleep Medicine, Psychiatry — Physician

Insurance & Payment

Languages Spoken

  • English

FAQs

What are the hours of operation?

Sunday: Closed; Monday - Friday: 8:00 am–4:30 pm; Saturday: Closed.

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Yelp: 5.0/5.0 (1 review)
  • Sharecare: 5.0/5.0 (1 review)

Patients praise

  • Professional staff behavior
  • Clear communication of test results
  • Patient-inclusive communication style

Common complaints

  • Limited public reviews available to identify consistent complaints.

"He was very professional. He made sure he spoke directly to my daughter to include her in the discussion. We both felt comfortable with him. He took his time explaining the results and answered all of my questions."

Sharecare review for Dr. Walter Castro, MD

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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