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

William Lewis McKay, DO

Individual provider Family Medicine Physician · NPI 1265417331

William Lewis McKay, DO is a Family Practice in Mount Vernon, Missouri. Graduated from Oklahoma State University College of Osteopathic Medicine in 1983, 43 years ago. Practices with Sgoh Acquisition Inc, a 93-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
43
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
MO
In the registry since
2005
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

108 S Hickory St
Mount Vernon, MO 65712-1407
Phone: (417) 466-4110
Fax: (417) 466-4255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence R5G53 (MO)

Record details

NPI number1265417331
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 13, 2005
Last updated in NPPESAugust 19, 2022
Certification dateAugust 17, 2022
Mailing address108 S Hickory St, Mount Vernon, MO 65712-1407

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1983 (43 years in practice)
Group practice Sgoh Acquisition Inc — 93 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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