Summary

Dr. Mast graduated from the Philadelphia College of Osteopathic Medicine in 1986. He works in Lancaster, PA and 3 other locations and specializes in Geriatric Medicine and Internal Medicine. Dr. Mast is affiliated with Lancaster General Hospital, Christianacare Wilmington Hospital and Penn State Health Lancaster Medical Center.

Quick Facts

  • accepting new patients
  • 4.4
  • 40 years of experience
  • speaks English
  • St Lukes Hospital
  • 3 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Daniel Dwight Mast has 4 locations

Lancaster General Hospital

555 N Duke StLancaster, PA 17602

Union Community Care

625 S Duke StLancaster, PA 17602
Mon7:00 am - 7:00 pm
Tue7:00 am - 7:00 pm
Wed7:00 am - 7:00 pm
Thu7:00 am - 7:00 pm
Fri7:00 am - 5:30 pm
SatClosed
SunClosed

Lancaster General Health Suburban Outpatient Pavilion

2100 Harrisburg PikeLancaster, PA 17601
Mon6:30 am - 7:00 pm
Tue6:30 am - 7:00 pm
Wed6:30 am - 7:00 pm
Thu6:30 am - 7:00 pm
Fri6:30 am - 7:00 pm
Sat7:00 am - 12:00 pm
SunClosed

Penn State Health Lancaster Medical Center

2160 State RdLancaster, PA 17601

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Dr. Daniel Dwight Mast, DO
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Dr. Daniel Dwight Mast, DODr. Nirnimesh Chandra Pandey, MDDr. Joseph Stephen Fotos, MDDr. Bethany Marie Rommel, MD
Geriatric MedicineVascular & Interventional RadiologyNuclear MedicineOphthalmology
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
40 Years of Experience 17 Years of Experience 17 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Lancaster , PAHershey , PAHershey , PALancaster , PA
Med School: Philadelphia College Of Osteopathic Medicine Med School: Icahn School Of Medicine At Mount Sinai Med School: Pennsylvania State University College Of Medicine Med School: Sidney Kimmel Medical College At Thomas Jefferson University
Current Profile
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Insurance Plans Accepted by Dr. Daniel Dwight Mast

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Daniel Dwight Mast has the following 2 specialties

Specialty Expertise

Dr. Daniel Dwight Mast has the following 10 areas of expertise

  • Alzheimer's Disease
  • Cognitive Issues/Testing
  • Confusion
  • Dementia
  • EOL Care
  • Internal Medicine
  • Osteopenia
  • Osteoporosis
  • Senility
  • Urinary Incontinence

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, Pennsylvania, 2026, Active

EDUCATION & TRAINING

Residency

St Lukes Hospital

Medical School

Philadelphia College Of Osteopathic MedicineGraduated in 1986

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Frequently Asked Questions

Where is Dr. Daniel Mast's office located?
Dr. Daniel Mast's office is located at 555 N Duke St, Lancaster, PA, 17602.
What languages does Dr. Daniel Mast speak?
Dr. Daniel Mast speaks English.
Which hospitals is Dr. Daniel Mast affiliated with?
Dr. Daniel Mast is affiliated with Lancaster General Hospital, Christianacare Wilmington Hospital, and Penn State Health Lancaster Medical Center.
Does Dr. Daniel Mast accept my insurance?
You can see the insurance plans that Dr. Daniel Mast accepts on their Vitals profile.
Does Dr. Daniel Mast accept virtual/telehealth appointments?
Dr. Daniel Mast has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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