Dr. Douglas Trenkle, DO
Not yet claimedLipidologist, Internal medicine doctor · Physician (DO)
Ellsworth, ME
Physician certified in clinical lipidology by the American Board of Clinical Lipidology, practicing at Maine Coast Memorial Hospital in Ellsworth, ME. Lipidologists manage cholesterol, triglycerides, and lipoprotein(a) with guideline-based care.
About Dr. Douglas Trenkle, DO
Updated Sep 20, 2026 · next review Dec 19, 2026Dr. Douglas L. Trenkle, DO, is an osteopathic internal medicine doctor in Ellsworth, Maine. He earned his medical degree from the Philadelphia College of Osteopathic Medicine in 1977 and has been in practice for more than 45 years. He holds Maine medical license number 1021.
He sees patients at Maine Coast Specialty Clinic at 306 Main St in Ellsworth, and is listed as affiliated with Northern Light Maine Coast Hospital and Northern Light Eastern Maine Medical Center. He is board certified in internal medicine, and his listings also report certification by the American Board of Clinical Lipidology, the field that focuses on cholesterol and blood fats.
His published work is small and older. He was first author of a 2007 study in the Journal of Alzheimer's Disease comparing three short tests for spotting memory problems in primary care, and he wrote a 2010 letter in the Journal of Clinical Lipidology about cholesterol-carrying particles and Alzheimer's disease. Directory listings also note recognition from the NCQA Heart/Stroke Recognition Program for 2012 through 2015.
In the CMS Open Payments database for 2021 through 2025, no payments from drug or device companies are recorded for him (0 records, $0). Industry payments are common and legal; this simply means none were reported. No personal website or social media accounts were found for him.
- Medical degree, PCOM 1977
- He graduated from the Philadelphia College of Osteopathic Medicine in 1977, listed as graduating with honors, and has over 45 years in practice. healthcare4ppl.com
- Internal medicine board certification
- Public listings show he is board certified in internal medicine. sharecare.com
- Clinical lipidology credential
- Self-reported certifications include the American Board of Internal Medicine and the American Board of Clinical Lipidology. hilarispublisher.com
- Maine license number
- He holds Maine medical license number 1021. topnpi.com
- Hospital affiliations
- He is listed as affiliated with Northern Light Maine Coast Hospital and Northern Light Eastern Maine Medical Center. doximity.com
- Memory screening research
- He was first author of a 2007 Journal of Alzheimer's Disease paper on how well three short screening tools detect cognitive impairment in primary care. journals.sagepub.com
- Cholesterol and memory letter
- He published a 2010 letter in the Journal of Clinical Lipidology on lipoprotein metabolism and its link to Alzheimer's disease and related disorders. lipidjournal.com
- Heart and stroke care recognition
- A directory profile lists NCQA Heart/Stroke Recognition Program recognition for 2012, 2013, 2014 and 2015. health.usnews.com
- No industry payments reported
- CMS Open Payments shows $0 across 0 records for 2021 through 2025. openpaymentsdata.cms.gov
Worth knowing
- His residency or postgraduate training could not be confirmed. One directory listing appears to reference SUNY Downstate, but the entry could not be verified. doximity.com
- One online directory describes him as practicing physical medicine with 18 years of experience, which conflicts with all other sources showing internal medicine and more than 45 years in practice. This appears to be a directory data error. getluna.com
- A third publication on a surgical complication is listed on aggregator profiles, but the original journal record could not be located. health.usnews.com
- No license discipline, lawsuits or criminal matters were found in general searching, but the Maine Board of Osteopathic Licensure verification database and court dockets were not checked directly, so this is not a confirmed clean record. topnpi.com
- No news coverage from the past three years was found, and no public statements on topics such as vaccines, supplements or guidelines were located. Searches on those specific topics were not completed. lipidjournal.com
Industry payments (CMS Open Payments)
Open the CMS recordFederal law requires drug and device companies to report what they pay clinicians: meals, travel, speaking, consulting, and research. Payments are common and legal; the point is that you can see them.
No general payments reported for this NPI from 2021 through 2025.
Sources: healthgrades.com · healthcare4ppl.com · topnpi.com · sharecare.com · hilarispublisher.com · providerwire.com · doximity.com · journals.sagepub.com. Something wrong or out of date? Tell us and we will correct it.
Summary prepared with AI assistance from the public sources linked above, reviewed every three months. It is not a review, a rating, or an endorsement.
Practice location
Maine Coast Memorial Hospital
306 Main Street
Ellsworth, ME 04605
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