Nancy Williams M.D.
About this NPIWhat this record shows.
NPI 1235190448 is registered to Nancy Williams M.D., a Hospice and Palliative Medicine (Internal Medicine) Physician practising at 1705 E 19th St, Suite 302 in Tulsa, Oklahoma. Hospice and Palliative Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Nancy Williams M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20040602000973Internal MedicineOK
- I20220829000914HospitalistTX
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Nancy Williams M.D. accepts. To confirm in-network status with your specific health plan, contact Nancy Williams M.D. directly at (918) 748-7585.
Frequently asked
Yes. NPI 1235190448 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hospice and Palliative Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (918) 748-7585.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Nancy Williams M.D. is a Type-1 individual NPI.