CASSIE LOREN LEMASTER (APRN FNP-C) – Family Nurse Practitioner, NPI 1528634573
Family Nurse Practitioner
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,299 NURSE PRACTITIONER in OK
Provider Addresses for CASSIE LOREN LEMASTER (APRN FNP-C)
4110 S 100TH EAST AVE STE 201
TULSA, OK 741463629
Phone: (918) 857-7246
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 59 Open Payments records for all available years, with a total value of $1,134.
Total Amount is formed as General ($1,134) + Research ($0) + Ownership ($0) = $1,134.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Collegium Pharmaceutical, Inc. ($483).
Total Amount
$1,134
General + Research + Ownership
Payments
59
Total payment records
General Amount
$1,134
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-07-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210729000846 | I | Nurse Practitioner | OK | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 80307 | Testing for presence of drug, by chemistry analyzers | 620 | 189 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 501 | 153 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 238 | 84 | $0 |
| 96160 | Administration and interpretation of patient-focused health risk assessment | 53 | 53 | $0 |
Insurance plans in this area (ZIP 74146)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | OK | |
| Family Practice | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK | |
| Interventional Radiology, Diagnostic Radiology | OK | |
| Family Practice | OK | |
| Nurse Practitioner | OK | |
| - | OK | |
| Nurse Practitioner | OK |
Reviews
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