OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC
NPI 1194396721
Surgery - Surgical Oncology in Tulsa, OK

Active since July 06, 2021
1819 E 19TH ST FL 5, TULSA, OK 74104(918) 505-3200(918) 505-3225 Get Directions Write a Review

NPPES record last updated: July 6, 2021. Verified against the NPPES registry weekly; last sync: November 01, 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 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

NPI1194396721
Entity TypeOrganization
Primary Taxonomy2086X0206X
Legal Business NameOKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC
Location Address1819 E 19TH ST FL 5Tulsa, OK 74104-5407
Mailing Address12697 E 51st StTulsa, OK 74146-6236 · (918) 499-2141 · Fax (918) 499-2141
Fax(918) 505-3225
Organization SubpartNo
Authorized OfficialMary M DreesenMgd Care & Cred Coor · (918) 499-2141
Enumeration DateJuly 6, 2021
NPPES CertifiedJuly 6, 2021
✔ NPI 1194396721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
1819 E 19TH ST FL 5, Tulsa, OK 74104

Other Identifiers 1

Medicaid200627090AOK

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, 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

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
Nurse Practitioner
NPI 1689254609
1819 E 19TH ST FL 5
Tulsa, OK 74104
(918) 505-3200
✔ PECOS✔ Accepts MedicareSame address
Surgical Oncology
NPI 1316053994
1819 E 19TH ST FL 5
Tulsa, OK 74104
(918) 505-3200
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1073582821
1802 E 19TH ST 400
Tulsa, OK 74104
(918) 748-7644
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1316345325
1705 E 19TH ST STE 302
Tulsa, OK 74104
(918) 744-2930
✔ PECOS0.1 mi
Nurse Practitioner
NPI 1114176112
1717 S UTICA AVE STE A
Tulsa, OK 74104
(918) 748-7557
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1356519060
1919 S WHEELING AVE SUITE 204
Tulsa, OK 74104
(918) 403-7200
✔ PECOS0.1 mi
Nurse Practitioner
NPI 1720232556
1919 S WHEELING AVE SUITE 204
Tulsa, OK 74104
(918) 403-7200
✔ PECOS✔ Accepts Medicare0.1 mi
Certified Clinical Nurse Specialist (CNS)
NPI 1720388846
1810 E 15TH ST
Tulsa, OK 74104
(918) 592-3700
✔ PECOS✔ Accepts Medicare0.3 mi
Certified Clinical Nurse Specialist (CNS)
NPI 1811508146
1245 S UTICA AVE STE 100
Tulsa, OK 74104
(918) 579-3850
✔ PECOS✔ Accepts Medicare0.7 mi
Diagnostic Radiology
NPI 1962667451
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare3.7 mi
Diagnostic Radiology
NPI 1730534520
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare3.7 mi
Interventional Radiology
NPI 1982867511
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare3.7 mi
Diagnostic Radiology
NPI 1528397106
5801 E 41ST ST STE 900
Tulsa, OK 74135
(918) 747-4975
✔ PECOS✔ Accepts Medicare3.7 mi
Micrographic Dermatologic Surgery (MDS)
NPI 1023235579
5801 E 41ST ST STE 200
Tulsa, OK 74135
(918) 293-9966
✔ PECOS✔ Accepts Medicare3.7 mi
Nurse Practitioner
NPI 1457569816
6151 S YALE AVE SUITE 100
Tulsa, OK 74136
(918) 499-2000
✔ PECOS✔ Accepts Medicare4.8 mi
Nurse Practitioner
NPI 1104578418
6161 S YALE AVE
Tulsa, OK 74136
(918) 502-1900
✔ PECOS5.1 mi
General Surgery
NPI 1548221930
2448 E 81ST ST SUITE 1500
Tulsa, OK 74137
(918) 392-7950
✔ PECOS6.2 mi
Medical Oncology
NPI 1003859679
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3200
✔ PECOS✔ Accepts Medicare7.8 mi
Clinical Social Worker
NPI 1366865545
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3259
✔ PECOS✔ Accepts Medicare7.9 mi
Gynecological Oncology
NPI 1376511956
12697 E 51ST ST
Tulsa, OK 74146
(918) 505-3200
✔ PECOS✔ Accepts Medicare7.9 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 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.