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

Mary A Osei, MD

Individual provider Internal Medicine Physician · NPI 1164927703

Mary A Osei, MD is an Internal Medicine in Huntington, West Virginia. Qualified in 2012, 14 years ago. Practices with St Marys Hospitalist Services LLC, a 44-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Georgia, Iowa and West Virginia.

Years since qualifying
14
Licensed in
GA, IA, WV
In the registry since
2018
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2900 1st Ave Rm 1025
Huntington, WV 25702-1241
Phone: (304) 399-7484
Fax: (304) 399-7579
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1229 C Ave E, Oskaloosa, IA 52577-4298 — (641) 672-3394

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD-48613 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 33847 (WV)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (GA)

Record details

NPI number1164927703
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2018
Last updated in NPPESNovember 12, 2024
Certification dateNovember 12, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice St Marys Hospitalist Services Llc — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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