CASSIE LOREN LEMASTER APRN FNP-C
NPI 1528634573
Nurse Practitioner - Family in Tulsa, OK

Active since June 01, 2021PECOS EnrolledAccepts Medicare Assignment
4110 S 100TH EAST AVE STE 201, TULSA, OK 74146(724) 691-8857 Get Directions Write a Review

NPPES record last updated: November 3, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 3, 2021, Oct 7, 2021, Jun 1, 2021 (3 updates tracked since 2021).

About Cassie Loren Lemaster Aprn Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CASSIE LOREN LEMASTER APRN FNP-C (NPI 1528634573) is an individual family provider in Tulsa, Oklahoma, licensed in Oklahoma (200623) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Northeastern Health System, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1528634573
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCASSIE LOREN LEMASTERCredential: APRN FNP-C
Location Address4110 S 100TH EAST AVE STE 201Tulsa, OK 74146-3629
Mailing Address4110 S 100th East Ave Ste 201Tulsa, OK 74146-3629 · (918) 857-7246
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJune 1, 2021
Last NPPES UpdateNovember 3, 20213 updates tracked since enumeration
NPPES CertifiedNovember 3, 2021
NPI 1528634573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in OK · 200623
4110 S 100TH EAST AVE STE 201, Tulsa, OK 74146

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Cassie Loren Lemaster Aprn Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143623074
PECOS Enrollment IDI20210729000846
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
498 services159 patients
Testing for presence of drug, by chemistry analyzers 80307
Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.
451 services155 patients
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0480
A definitive drug test is a detailed examination that can identify specific drugs in your system, even closely related ones. Techniques like GC/MS and LC/MS are used for high precision. This helps ensure accurate results for your safety and health.
398 services147 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northeastern Health System

Acute Care Hospitals · Tahlequah, OK
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number370089
Location1400 East Downing StreetTahlequah, OK 74465 · Cherokee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74146 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
4110 S 100TH EAST AVE STE 201
TULSA, OK 74146

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 Cassie Lemaster's NPI number?

The NPI number for Cassie Lemaster is 1528634573. It was assigned to this individual provider in the NPPES registry on June 1, 2021.

Where is Cassie Lemaster located?

Cassie Lemaster practices at 4110 S 100th East Ave Ste 201, Tulsa, OK 74146. The listed phone number is (724) 691-8857.

What is Cassie Lemaster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Cassie Lemaster enrolled in Medicare?

Yes. Cassie Lemaster is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Cassie Lemaster accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Cassie Lemaster as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Cassie Lemaster affiliated with any hospitals?

According to CMS data, Cassie Lemaster is affiliated with Northeastern Health System.

When was this NPI record last updated?

The NPPES record for Cassie Lemaster was last updated on November 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.