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Office
13400 E Shea Blvd
Scottsdale, AZ 85259Phone+1 480-301-8368Fax+1 480-301-9066- Is this information wrong?
Education & Training
- Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Rheumatology, 1977 - 1980
- Creighton University School of Medicine (Omaha)Residency, Internal Medicine, 1974 - 1977
- Creighton University School of MedicineClass of 1974
Certifications & Licensure
- AZ State Medical License 1988 - 2025
- MN State Medical License 1977 - 2024
- IA State Medical License 1978 - 2019
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Rheumatology
Awards, Honors, & Recognition
- Top Doctors:Arizona State Castle Connolly, 2020
- Fellow (FACR) American College of Rheumatology
Publications & Presentations
PubMed
- 7 citationsPrevalence of Barrett's Esophagus in Female Patients With SclerodermaDiana L. Snyder, Michael D. Crowell, Allon Kahn, W. Leroy Griffing, Sarah B. Umar, Francisco C. Ramirez> ;The American Journal of Gastroenterology. 2021 Mar 1
- 2 citationsProgression of gastrointestinal symptoms over time in patients with systemic sclerosisJamie Bering, W. Leroy Griffing, Michael D. Crowell, Sarah B. Umar> ;Rheumatology International. 2021 Feb 25
- 7 citationsIndividuals With Scleroderma May Have Increased Risk of Sleep-Disordered Breathing.Brandon T Nokes, Hassan A Raza, Rodrigo Cartin-Ceba, Phillip J Lyng, Lois E Krahn, Lewis Wesselius, Clinton E Jokerst, Sarah B Umar, W Leroy Griffing, Matthew R Nevill...> ;Journal of Clinical Sleep Medicine. 2019 Nov 15
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Professional Memberships
- Fellow
Hospital Affiliations
- Mayo Clinic HospitalPhoenix, Arizona
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