1. Home
  2. Directory
  3. Oklahoma
  4. Stillwater
  5. Internal Medicine
  6. NPI Profile

OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE LLC
NPI 1932574068
Internal Medicine - Hematology & Oncology in Stillwater, OK

Active since December 01, 2015
600 S ADAMS ST, STILLWATER, OK 74074(405) 372-1775(405) 372-1802 Get Directions Write a Review

NPPES record last updated: December 1, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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 1932574068) is a healthcare organization registered as a hematology & oncology in Stillwater, Oklahoma and active in the NPI registry since December 2015. The organization lists Daron G. Street, President, as its authorized official.

NPPES Registry Identity

NPI1932574068
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameOKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE LLC
Location Address600 S ADAMS STStillwater, OK 74074-4370
Mailing Address12697 E 51st StTulsa, OK 74146-6236 · (918) 499-2141 · Fax (918) 499-2141
Phone(405) 372-1775
Fax(405) 372-1802
Organization SubpartNo
Authorized OfficialDaron G. StreetPresident · (918) 505-3200
Enumeration DateDecember 1, 2015
✔ NPI 1932574068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedObstetrics & Gynecology · Gynecologic OncologyTaxonomy 207VX0201X
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X
600 S ADAMS ST, Stillwater, OK 74074
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

67

Medicare 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, 1 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 15

Nurse Practitioner21
Medical Oncology11
Gynecological Oncology6
Dermatology5
Hematology/Oncology5
Radiation Oncology5
Certified Clinical Nurse Specialist (CNS)4
Diagnostic Radiology3
7 other specialties7

Nearest to this location (20)

See all 67
Christopher Puckett, M.D.
Medical Oncology
NPI 1831130806
600 S ADAMS ST
Stillwater, OK 74074
(405) 372-1775
✔ PECOS✔ Accepts Medicare0.1 mi
Leslie Yonemoto, M.D.
Radiation Oncology
NPI 1336235456
5901 W MEMORIAL RD
Oklahoma City, OK 73142
(405) 773-6700
✔ PECOS✔ Accepts Medicare47 mi
Eric Thomas, MD
Gynecological Oncology
NPI 1881915940
920 SL YOUNG BLVD WP 2410
Oklahoma City, OK 73104
(405) 271-8787
✔ PECOS✔ Accepts Medicare50 mi
Teri Ratz, APRN-CNP
Nurse Practitioner
NPI 1316345325
1705 E 19TH ST STE 302
Tulsa, OK 74104
(918) 744-2930
✔ PECOS62 mi
Misty Anderson, NP
Nurse Practitioner
NPI 1114176112
1717 S UTICA AVE STE A
Tulsa, OK 74104
(918) 748-7557
✔ PECOS✔ Accepts Medicare62 mi
Aimee Kehres, APRN-CNS
Certified Clinical Nurse Specialist (CNS)
NPI 1811508146
1245 S UTICA AVE STE 100
Tulsa, OK 74104
(918) 579-3850
✔ PECOS✔ Accepts Medicare62 mi
Brennon Cox, D.O.
Family Practice
NPI 1073582821
1802 E 19TH ST 400
Tulsa, OK 74104
(918) 748-7644
✔ PECOS✔ Accepts Medicare62 mi
Julie Spears, APRN-CNS, MS
Certified Clinical Nurse Specialist (CNS)
NPI 1720388846
1810 E 15TH ST
Tulsa, OK 74104
(918) 592-3700
✔ PECOS✔ Accepts Medicare62 mi
Laurie Flynn, MD
Surgical Oncology
NPI 1316053994
1819 E 19TH ST FL 5
Tulsa, OK 74104
(918) 505-3200
✔ PECOS✔ Accepts Medicare62 mi
John Frame, M.D.
General Surgery
NPI 1548221930
2448 E 81ST ST SUITE 1500
Tulsa, OK 74137
(918) 392-7950
✔ PECOS63 mi
Kari Hopfer, D.O.
Diagnostic Radiology
NPI 1962667451
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare65 mi
Larry Mathias Iii, D.O.
Diagnostic Radiology
NPI 1730534520
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare65 mi
Cordell Privat, MD
Interventional Radiology
NPI 1982867511
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare65 mi
Carlos Gomez-Meade, D.O.
Micrographic Dermatologic Surgery (MDS)
NPI 1023235579
5801 E 41ST ST STE 200
Tulsa, OK 74135
(918) 293-9966
✔ PECOS✔ Accepts Medicare65 mi
Edward Yob, DO
Dermatology
NPI 1205825619
8803 S 101ST EAST AVE SUITE 335
Tulsa, OK 74133
(918) 307-0215
✔ PECOS68 mi
Daron Street, M.D.
Gynecological Oncology
NPI 1083656912
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3200
✔ PECOS✔ Accepts Medicare69 mi
Kevin Weibel, D.O.
Hematology/Oncology
NPI 1104864016
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3200
✔ PECOS69 mi
Charles Taylor, M.D.
Medical Oncology
NPI 1003859679
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3200
✔ PECOS✔ Accepts Medicare69 mi
Jason Davis
Clinical Social Worker
NPI 1366865545
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3259
✔ PECOS✔ Accepts Medicare69 mi
Amanda Rausch, RDN
Registered Dietitian or Nutrition Professional
NPI 1619571338
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3200
69 mi
See all 67 clinicians

Source: 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 1932574068. It was assigned to this organization in the NPPES registry on December 1, 2015.

Where is Oklahoma Cancer Specialists And Research Institute LLC located?

Oklahoma Cancer Specialists And Research Institute LLC is located at 600 S Adams St, Stillwater, OK 74074. The listed phone number is (405) 372-1775.

What is Oklahoma Cancer Specialists And Research Institute LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

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, 1 practice 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 December 1, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.