David C Williams Md PC in Norman, OK
This organization bills under NPI 1720091663, an organization record issued on Aug 14, 2006 with the primary taxonomy Nephrology Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1720091663
- Legal name
- David C Williams Md PC
- Entity
- Type 2 · organization
- Primary taxonomy
- Nephrology Physician 207RN0300X
- Practice location
- 1553 N PORTER AVE, Norman, OK 73071
- Phone
- 405-217-8500
- Enumerated
- Aug 14, 2006
- Record updated
- Nov 17, 2009
- Authorized official
- Owner (title as filed)
Checking an organization
- Confirm the business with the Oklahoma secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.