Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Donald Eric Sizemore, DO

Individual provider Hospitalist Physician · NPI 1962411439

Donald Eric Sizemore, DO practises Internal Medicine in Parkersburg, West Virginia. Graduated from West Virginia School of Osteopathic Medicine in 2003, 23 years ago. Practices with Camden-Clark Physician Corporation, a 346-clinician group and accepts Medicare assignment. Licensed in Ohio, South Dakota and West Virginia.

Years since qualifying
23
Trained at
West Virginia School of Osteopathic Medicine
Licensed in
OH, SD, WV
In the registry since
2006
Specialties on file
3
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.

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Practice location Address checks out

800 Garfield Ave
Parkersburg, WV 26101-5376
Phone: (304) 424-2111
Fax: (304) 420-7162
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2073 (WV)
Hospitalist Physician Taxonomy 208M00000X · Licence 34010323 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 10109 (SD)

Record details

NPI number1962411439
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 5, 2006
Last updated in NPPESDecember 18, 2025
Certification dateDecember 18, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolWEST VIRGINIA SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2003 (23 years in practice)
Group practice Camden-Clark Physician Corporation — 346 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients171
Services billed 563 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Camden-Clark Physician Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 346 clinicians in the practice; 12 are shown here.

Other providers in Parkersburg