Tammy J. Penhollow, DO's portrait
Tammy J. Penhollow, DO

About Tammy J. Penhollow, DO

Tammy J. Penhollow, DO, board certified in Anesthesiology and in Pain Medicine by the American Board of Anesthesiology.  She is an Assistant Professor of Anesthesiology, Uniformed Services University of the Health Sciences, Bethesda, MD, and Instructor of Anesthesiology, Mayo Clinic College of Medicine and Science. 

Dr. Penhollow earned her Bachelor of Science in Biology with minors in Biochemistry and Developmental Psychology from Willamette University, Salem, OR and her Doctor of Osteopathic Medicine from Kirksville College of Osteopathic Medicine in Kirksville, MO. After a Transitional Year internship at Sacred Heart Medical Center in Spokane, WA, she entered active duty service as a General Medical Officer with the United States Navy.

Dr. Penhollow served as the solo physician for a 720 person Naval Mobile Construction Battalion and was deployed to Kosovo in support of Operation Joint Guardian and Combined Joint Task Force Falcon, and deployed in a peacetime mission to Guam. Dr. Penhollow attained Master Training Specialist qualification as an advanced instructor for the Surface Forces Independent Duty Corpsman School in San Diego, CA where she taught full time for three years.

She then completed her residency in Anesthesiology at the National Capital Consortium (Walter Reed Army Medical Center in Washington, DC and National Naval Medical Center in Bethesda, MD) with focused electives in Regional Anesthesia at the Mayo Clinic in Jacksonville, FL and at Landstuhl Regional Medical Center in Germany, as well as in Pain Management at Johns Hopkins in Baltimore, MD. Further, she was principal investigator for an award winning pilot study utilizing acupuncture for phantom and residual limb pain.

Dr. Penhollow served for two years as an anesthesiologist and Medical Director of the Interventional Pain Management Clinic at the US Naval Hospital Okinawa Japan. She was deployed from here for nine months as the solo anesthesiologist in support of Operation Enduring Freedom to the Combined Joint Task Force, Horn of Africa where she also served as the Preventive Medicine Officer for the expeditionary base.

She devoted personal and professional time to humanitarian missions in Ethiopia and Djibouti as well as to training Djiboutian anesthesia personnel in regional anesthesia techniques. She then served as anesthesiologist and Head of the Department of Anesthesia at the US Naval Hospital Rota Spain for two years prior to an honorable discharge from the US Navy, followed by completion of her formal training in Pain Management Fellowship at Stanford University Hospitals and Clinics in Palo Alto, CA.

She currently practices in the Phoenix Metro Area as an anesthesiologist in the community and at the Mayo Clinic Hospital, and she has her own Regenerative Medicine Practice in Scottsdale, Arizona where she is harnessing the body’s own ability to heal, strengthen and avoid surgery using Platelet Rich Plasma and Bone Marrow Aspirate Concentrate.


Articles Reviewed by Tammy J. Penhollow, DO

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