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225 N Mill StSte 116Aspen, CO 81611
Phone+1 970-544-1234
Fax+1 970-544-1310
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Summary
- Dr. Ann Mass, MD is a board certified internist in Aspen, Colorado. She is currently licensed to practice medicine in Colorado and California.
Education & Training
- Los Angeles County-Harbor-UCLA Medical CenterResidency, Internal Medicine, 1974 - 1977
- Los Angeles County-Harbor-UCLA Medical CenterInternship, Transitional Year, 1973 - 1974
- Harvard Medical SchoolClass of 1973
Certifications & Licensure
- CA State Medical License 2008 - 2026
- CO State Medical License 1978 - 2025
- American Board of Internal Medicine Internal Medicine