Dr. Mark Oldendorf
About This Business
Dr. Mark Oldendorf, MD, is an internal medicine physician in Albany, New York, with 50 years of experience since graduating from Albany Medical College of Union University in 1976, above the 28-year average among Albany physicians in our directory. He holds an active New York license and is registered with the national provider registry since 2006. He is affiliated with St. Peter's Hospital, Samaritan Hospital of Troy, New York, Albany Medical Center Hospital, Ellis Hospital, and Sunnyview Hospital and Rehabilitation Center. He accepts Medicare and offers telehealth, one of eighteen Albany doctors in our directory offering both. He is one of sixteen internal medicine physicians among the 107 Albany doctors in our listings. Patients give him a 5.0 rating across 6 reviews.
Verified Provider Info
- Specialty (per registry)
- Internal Medicine
- NPI Number
- 1427147800
- Medical school graduate
- 1976 (50+ years of practice)
- Medical school
- ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
- State license
- 146168 (NY)
- Hospital affiliations
- St Peter'S Hospital · Samaritan Hospital of Troy, New York · Albany Medical Center Hospital
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
Phone
(518) 435-1300Location on Map
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Information last updated: August 23, 2026
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