OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC
NPI 1194396721
Surgery - Surgical Oncology in Tulsa, OK
About Oklahoma Cancer Specialists And Research Institute, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC (NPI 1194396721) is a healthcare organization registered as a surgical oncology in Tulsa, Oklahoma and active in the NPI registry since July 2021. The organization lists Mary M Dreesen, Mgd Care & Cred Coor, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Oklahoma Cancer Specialists And Research Institute, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
67Medicare enrollment records show 67 clinicians reassign Medicare billing to Oklahoma Cancer Specialists And Research Institute, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 51 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 15
Nearest to this location (20)
See all 67Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Oklahoma Cancer Specialists And Research Institute, LLC's NPI number?
The NPI number for Oklahoma Cancer Specialists And Research Institute, LLC is 1194396721. It was assigned to this organization in the NPPES registry on July 6, 2021.
Where is Oklahoma Cancer Specialists And Research Institute, LLC located?
Oklahoma Cancer Specialists And Research Institute, LLC is located at 1819 E 19th St Fl 5, Tulsa, OK 74104. The listed phone number is (918) 505-3200.
What is Oklahoma Cancer Specialists And Research Institute, LLC's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Oklahoma Cancer Specialists And Research Institute, LLC enrolled in Medicare?
Yes. Oklahoma Cancer Specialists And Research Institute, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Oklahoma Cancer Specialists And Research Institute, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 67 clinicians in 15 Medicare specialties reassign their Medicare billing to Oklahoma Cancer Specialists And Research Institute, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (21), Medical Oncology (11) and Gynecological Oncology (6). Of these, 2 practice at this address and 51 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Oklahoma Cancer Specialists And Research Institute, LLC was last updated on July 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.