Demarie Olu-Williams, D.O
NPI 1841533791 · Internal Medicine Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Demarie Olu-Williams, D.O is a Internal Medicine Physician provider in Mesa, AZ (NPI 1841533791).
Provider details
- NPI number
- 1841533791
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Female
- Sole proprietor
- Yes
- License
- C2-0011826 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-28
- Last updated
- 2020-04-08
- Certified
- 2020-04-08
Frequently asked questions
- What is Demarie Olu-Williams's NPI number?
- Demarie Olu-Williams's National Provider Identifier (NPI) is 1841533791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Demarie Olu-Williams's specialty?
- Demarie Olu-Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Demarie Olu-Williams located?
- Demarie Olu-Williams's practice location on file with NPPES is 9124 E Main St Ste 20-21, Mesa, AZ 85207-8700.
- What is Demarie Olu-Williams's phone number?
- The practice phone number listed in the NPPES registry for Demarie Olu-Williams is (480) 295-8070.
- Does Demarie Olu-Williams accept Medicare?
- Demarie Olu-Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Demarie Olu-Williams's NPI active?
- Yes — Demarie Olu-Williams's NPI (1841533791) is active in the NPPES registry as of the last update on 2020-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.