Dr. Daniel D Mast, DO



Internal Medicine   -  Pennsylvania,  Lancaster

 Overview

Dr. Daniel D Mast, DO works in Lancaster, Pennsylvania is a specialist in Internal Medicine, Geriatric Medicine and graduated Allentown Osteo Med Center in 1987. Dr. Mast is affiliated with Lancaster General Hospital and practicing for 37 years

 Specialties

  • Internal Medicine
  • Geriatric Medicine

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 37

 State License

  • Pennsylvania

 Education & Training

Internship Hospital

Allentown Osteo Med Center

Year completed: 1987

Medical School

Philadelphia College Of Osteopathic Medicine

Philadelphia, PA, United States

Graduated: 1986

Residency Hospital

St Lukes Hospital

Saint Louis, MO, USA

Year completed: 1990

 Awards

1   ACP
2   AMA
3   MMA
4   PMS
5   PSR

 Dr. Mast Reviews

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 Office Locations


Primary location

 Lancaster County Internal Medcn
1725 Oregon Pike Suite 104A
Pennsylvania (PA)
Lancaster
17601
 Phone:(717) 397-7066

Other Office Locations

 Wound Care and Hyperbaric Svs
2112 Harrisburg Pike Suite 327
Pennsylvania (PA)
Lancaster
17601
 Phone:(717) 544-3216

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Lancaster County Internal Medcn, 1725 Oregon Pike Suite 104A, Lancaster, Pennsylvania (PA), 17601




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Assurant Health
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Capital Blue Cross
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Classic Blue
  • Commercial Insurance Company
  • CoreSource
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • First Health (Coventry Health Care) PPO
  • Geisinger Health Plan
  • Golden Rule
  • Great West Healthcare-Cigna PPO
  • Group Plan PPO
  • Highmark Blue Cross Blue Shield
  • Humana
  • Medicaid
  • Medicare
  • Medicare MCR
  • Medicare Supplement MCR
  • Navigate HMO
  • Navigate POS
  • Open Access
  • Options PPO
  • POMCO Group
  • Thrivent Financial
  • United American Insurance Company
  • United Healthcare
  • UnitedHealthCare
  • Universal American
  • Worker's Compensation WC
  • Workers Compensation

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Daniel D Mast, DO are not present.

 Patients Questions

Patients questions for Dr. Daniel D Mast, DO are not present.

 Affiliated Hospitals


Lancaster General Hospital photo


Lancaster General Hospital

555 North Duke Street Pennsylvania PA, Lancaster, 17604

Lancaster General Hospital is a hospital located in Lancaster, PA. Procedures/Diagnosis costs are at the state average in 16 of 16 procedures. Length of Stay is at the state average in 16 of 16 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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