Douglas Kliewer M. D.
About this NPIWhat this record shows.
NPI 1174518906 is registered to Douglas Kliewer M. D., a Gastroenterology practising at 6465 S Yale Ave, Suite 1002 in Tulsa, Oklahoma. Gastroenterology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Douglas Kliewer M. D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
- I20100927000055Internal MedicineOK
- I20230308000063Internal MedicineTX
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 Douglas Kliewer M. D. accepts. To confirm in-network status with your specific health plan, contact Douglas Kliewer M. D. directly at (918) 481-4706.
Frequently asked
Yes. NPI 1174518906 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gastroenterology 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) 481-4706.
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. Douglas Kliewer M. D. is a Type-1 individual NPI.