Cassie Loren Lemaster, APRN FNP-C
Family Nurse Practitioner · Tulsa, OK
Cassie Loren Lemaster, APRN FNP-C is a family nurse practitioner with a practice address in Tulsa, Oklahoma, and NPI 1528634573, issued on Jun 1, 2021. Check the license (Oklahoma 200623, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassie Loren Lemaster
- Credential
- APRN FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 200623 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4110 S 100TH East Ave Ste 201, Tulsa, OK 74146
- Phone
- (724) 691-8857
- Enumerated
- Jun 1, 2021
- Record last updated
- Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210729000846); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,711 in Oklahoma → Look up another NPI →
Also registered at 4110 S 100TH East Ave Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Goodwin, APRNFamily Nurse Practitioner1336738293
Verify Cassie Loren Lemaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 200623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average family nurse practitioner in 2024
1,885 Medicare Part D claims for 396 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 226 claims were for opioids.
Most prescribed
- Gabapentin230 claims
- Tizanidine Hcl160 claims
- Pregabalin138 claims
- Buprenorphine-Naloxone132 claims
- Ibuprofen130 claims
- Meloxicam118 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $421.35
22 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Precision Pain Management LLCTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassie Loren Lemaster among 2,711 family nurse practitioner records in Oklahoma
Cassie Loren Lemaster, APRN FNP-C is one of 2,711 family nurse practitioner records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 71% of them.
- NPI issued2021 · 71% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2018 among the 1,783 with a school on file
- Record last updated2021 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
360 family nurse practitioner records list a practice address in Tulsa
They are 360 of the 18,643 NPPES records with a practice address in Tulsa, and 2,711 family nurse practitioner records in Oklahoma.
All 2,711 in Oklahoma → Every provider in Tulsa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lisa Bloxham, APRN-CNPTulsa, OK 741461366904740
- Alex Button, NPTulsa, OK 741461205485984
- Jaclyn Drass, CNPTulsa, OK 741461831678390
- Sara Evans, APRNTulsa, OK 741461235595059
- Patricia Farrell, APRN FNP-CTulsa, OK 741461972052041
- Allison Hagen, APRNTulsa, OK 741461326659368
- Jacqueline Hash, FNP-BCTulsa, OK 741461871054858
- Chong Lee, APNPTulsa, OK 741461336569037
Common questions
What is Cassie Loren Lemaster, APRN FNP-C's NPI number?
Cassie Loren Lemaster, APRN FNP-C's National Provider Identifier (NPI) is 1528634573, issued on Jun 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Cassie Loren Lemaster, APRN FNP-C located?
The NPPES record lists a practice address at 4110 S 100TH East Ave Ste 201, Tulsa, OK, 74146. Phone: (724) 691-8857. Providers update this record themselves, so call before visiting.
How can I verify Cassie Loren Lemaster, APRN FNP-C's license?
NPPES lists Oklahoma license number 200623, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Cassie Loren Lemaster, APRN FNP-C prescribe under Medicare Part D?
In 2024, Cassie Loren Lemaster, APRN FNP-C had 1,885 Medicare Part D claims for 396 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.