Dr. Thomas Feulner , DO
Internal Medicine • Lone Tree, CO
Professional Overview & Biography Verified Profile Summary
Dr. Thomas Feulner, DO is a registered healthcare professional specializing in Internal Medicine in Lone Tree, CO. Practice services are available at 10099 RIDGEGATE PKWY under active NPI credentials.
Practice Location & Contact Primary Location
10099 Ridgegate Pkwy
Lone Tree, CO 801245531
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Lone Tree, CO
Practicing in Lone Tree, CO (2124 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2025-10-10NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Recorded as THOMAS FEULNER, DO
Internal Medicine (License #TL.0010978 in CO)
NPI status registered as active in NPPES database
Registered at 10099 RIDGEGATE PKWY, LONE TREE, CO 801245531 (Tel: 7202254464)
Registered at 10099 RIDGEGATE PKWY, LONE TREE, CO 801245531 (Tel: 7202254464)
Recorded as THOMAS FEULNER
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
10099 Ridgegate Pkwy
Lone Tree, CO 801245531
Phone: 7202254464
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