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

Gary E Oates Jr., MD

Individual provider Emergency Medicine Physician · NPI 1518169986

Gary E Oates Jr., MD is an Emergency Medicine in Marietta, Ohio. Graduated from West Virginia University School of Medicine in 2005, 21 years ago. Practices with Marietta Memorial Hospital, a 386-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio and West Virginia.

Years since qualifying
21
Trained at
West Virginia University School of Medicine
Licensed in
OH, WV
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

401 Matthew St Emergency Dept
Marietta, OH 45750-1635
Phone: (740) 376-1939
Fax: (740) 374-1693
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 799 Farson St, Belpre, OH 45714-1044 — (740) 401-1150

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 35089675 (OH)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 22629 (WV)

Record details

NPI number1518169986
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 5, 2007
Last updated in NPPESApril 15, 2021
Certification dateApril 15, 2021
Mailing addressPo Box 449, Marietta, OH 45750-0449

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Marietta Memorial Hospital — 386 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Marietta