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

Dr. Corey Alley, MD

Individual provider Hospitalist Physician · NPI 1366020968

Dr. Corey Alley, MD is an Internal Medicine in Marietta, Ohio. Qualified in 2021, 5 years ago. Practices with Marietta Memorial Hospital, a 386-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
5
Licensed in
OH
In the registry since
2021
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
Marietta, OH 45750-1635
Phone: (740) 374-7700
Fax: (740) 374-7701
Show map & directions

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

Additional practice locations (3)

  • 1106 Colegate Dr, Marietta, OH 45750-1323 — (740) 374-7700
  • 1600 Medical Center Dr, Huntington, WV 25701-3656 — (304) 691-1824
  • 1600 Medical Center Dr, Huntington, WV 25701-3656 — (304) 691-1824

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35.150523 (OH)
Hospitalist Physician Taxonomy 208M00000X · Licence 35.150523 (OH)

Record details

NPI number1366020968
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 2, 2021
Last updated in NPPESApril 16, 2024
Certification dateApril 16, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Marietta Memorial Hospital — 386 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Marietta