Libbe Blythe Marquez, APRN AGCNS-BC
Certified Clinical Nurse Specialist (Cns) (CMS) · Tulsa, OK
At a glance
12697 E 51St St, Tulsa, OK 74146-6236
NPPES record updated Aug 28, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
12697 E 51St StTulsa, OK 74146-6236
Education & affiliations
- Medical / professional school
- University Of Oklahoma College Of Medicine
- Graduation year
- 2021
- CMS specialties
- Certified Clinical Nurse Specialist (Cns)
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Advance Care Plan
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_047_overall. Collection type: REG. Measure denominator: 712.
- Documentation of Current Medications in the Medical Record
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 2144.
- Preventive Care and Screening: Screening for Depression and Follow-Up Plan
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_134_overall. Collection type: EHR. Measure denominator: 1324.
See all 7 reported measures
- Oncology: Medical and Radiation - Pain Intensity Quantified
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_143_overall. Collection type: EHR. Measure denominator: 573.
- Oncology: Medical and Radiation - Plan of Care for Pain
- 77%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_144_overall. Collection type: REG. Measure denominator: 262.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 100%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: EHR. Measure denominator: 99.
- Closing the Referral Loop: Receipt of Specialist Report
- 99%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_374_overall. Collection type: EHR. Measure denominator: 244.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $398.52 |
Reporting companies
| Company | Amount |
|---|---|
| ASTRAZENECA PHARMACEUTICALS LP | $177.45 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $47.59 |
| REGENERON HEALTHCARE SOLUTIONS, INC. | $41.37 |
| AVEO PHARMACEUTICALS, INC. | $35.80 |
| INCYTE CORPORATION | $21.47 |
| JANSSEN BIOTECH, INC. | $20.94 |
| GERON CORPORATION | $20.44 |
| BAYER HEALTHCARE PHARMACEUTICALS INC. | $17.14 |
| Other reporting companies | $16.32 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Certified Clinical Nurse Specialist (Cns) (CMS)
- Taxonomy code
- 364S00000X
- Enumeration date
- Jun 30, 2021
- Record updated
- Aug 28, 2023
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- LIBBE BLYTHE TOLLEFSON
- Reported credentials
- APRN AGCNS-BC
Reported taxonomies and licenses
364S00000X · Primary
License reported: R0124884 OK
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
12697 E 51St StTulsa, OK 74146-6236
- Phone
- (918) 505-3200
- Fax
- (918) 505-3225
Mailing address
12697 E 51ST STTULSA, OK 741466236
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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