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Office
225 N Mill St
Ste 116
Aspen, CO 81611Phone+1 970-544-1234Fax+1 970-544-1310
Summary
- Dr. Ann Mass, MD is a board certified internist in Aspen, Colorado. She is currently licensed to practice medicine in Colorado and California. She is affiliated with Aspen Valley Hospital.
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
Awards, Honors, & Recognition
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012
