background
background
Dr. Daniel Mast, DO

Dr. Daniel Mast, DO

Internal Medicine*
35+ years of experience

Dr. Daniel Mast, DO is an internist in Lancaster, PA and has over 35 years of experience in the medical field. He graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE in 1986. He is affiliated with Lancaster General Hospital. He is accepting new patients and telehealth appointments.

4 Star Rating
Based on 4 reviews 4 Star Rating (4 reviews)

Practice

802 New Holland Ave Ste 200 Lancaster, PA 17602
Telehealth available

Experience Check

Search for experience in a specific area

Dr. Mast's Reviews

Likelihood to recommend Dr. Mast

4.0

4 ratings
5 Star
75%
75%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
25%
25%

Leave a review

How was your experience with Dr. Mast?

About Me

biography

Dr. Daniel Mast, DO is an internist in Lancaster, PA and has over 35 years of experience in the medical field. He graduated from PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE in 1986. He is affiliated with Lancaster General Hospital. He is accepting new patients and telehealth appointments.
  • Internal Medicine

  • Geriatric Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • St Lukes Hospital - Bethlehem

    Residency Hospital
  • Allentown Osteo Medical Center

    Internship Hospital
  • Philadelphia College Of Osteopathic Medicine

    Medical School, 1986
American Board of Medical Specialties®
American Board of Internal Medicine®
Geriatric Medicine
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • Spanish

Online Care for Prescription Refills (Sponsored)

Insurance Check

Search for your insurance carrier and choose your plan type

Locations

Practice

WellSpan Cardiology802 New Holland Ave Ste 200 Lancaster, PA 17602
1
Office435 S Kinzer Ave Ste 6 New Holland, PA 17557
2

Practice

Southeast Lancaster Health Services625 S Duke St Lancaster, PA 17602
3

Affiliated Hospitals

  • Lancaster General Hospital

    555 N Duke St
    Lancaster, PA 17602
    Recipient of 42
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 1% in the nation for providing the highest clinical quality year over year

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 1% in the nation for providing the highest clinical quality year over year

    View all awards

    How patients felt about the care they received at this hospital.

    88%
    Patients said they were given information about recovering at home

    4% higher than the national average

    82%
    Patients said that nurses always listened to them and explained things well

    7% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality