Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ronald C Krieger, M.D.

Diagnostic Radiology Physician in Tulsa, OK · enumerated 2005 · practices at Hospice of Northeast Oklahoma, LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588651186

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Registry record

Entity type Individual (Type 1)

Name Dr. Ronald C Krieger

Credential M.D.

Sex Male

Practice address 4111 S Darlington Ave, Ste 700, Tulsa, OK, 74135

Phone (918) 743-8838

Fax (918) 743-9058

Enumeration date Sep 29, 2005

Last updated in NPPES Apr 20, 2008

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 13142 (OK) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ronald Krieger?

The National Provider Identifier (NPI) for Ronald Krieger is 1588651186, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ronald Krieger practice?

The practice location on file with NPPES is in Tulsa, OK. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-20.