Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Demarie M Olu-Williams, DO

Individual provider Internal Medicine Physician · NPI 1841533791

Demarie M Olu-Williams, DO is an Internal Medicine Physician in Mesa, Arizona. Practices as a sole proprietor. Licensed in Arizona and Delaware.

Licensed in
AZ, DE
In the registry since
2013
Specialties on file
2
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

9124 E Main St Ste 20-21
Mesa, AZ 85207-8700
Phone: (480) 295-8070
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 008144 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence C2-0011826 (DE)

Record details

NPI number1841533791
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 28, 2013
Last updated in NPPESApril 8, 2020
Certification dateApril 8, 2020

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