Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Eric Mark Greenfield, DO

Individual provider Emergency Medicine Physician · NPI 1457558025

Dr. Eric Mark Greenfield, DO is an Emergency Medicine in Tamuning, Guam. Graduated from Ohio Medical University in 2007, 19 years ago. Practices with Middle Tennessee Emergency Physicians, PC, a 86-clinician group and accepts Medicare assignment. Licensed in Georgia and Guam.

Years since qualifying
19
Trained at
Ohio Medical University
Licensed in
GA, GU
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

850 Gov Carlos G Camacho Rd
Tamuning, GU 96913-3128
Phone: (671) 988-7814

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence RTP002364 (GA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence DO0064 (GU)

Record details

NPI number1457558025
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 28, 2007
Last updated in NPPESMay 16, 2016
Mailing addressPo Box 14125, Huntsville, AL 35815-0125

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOHIO MEDICAL UNIVERSITY
Graduated 2007 (19 years in practice)
Group practice Middle Tennessee Emergency Physicians, P.C. — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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