Leslie A. Simpson, NP
Family Nurse Practitioner · Saint Peters, MO
Leslie A. Simpson, NP is a family nurse practitioner with a practice address in Saint Peters, Missouri, and NPI 1700303757, issued on Aug 29, 2017. Check the license (Missouri 2017023154, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leslie A. Simpson
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2017023154 MO
Self-reported in NPPES; status is on the state search - Practice location
- 112 Piper Hill Dr Ste 9, Saint Peters, MO 63376
- Phone
- (636) 441-3444
- Enumerated
- Aug 29, 2017
- Record last updated
- Jul 21, 2022
- Fax
- (636) 441-9832
- Medicare enrollment
- Enrolled (PECOS I20171115003503); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 112 Piper Hill Dr Ste 9
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Eickhoff, FNP-BC, MSN ATC, LATFamily Nurse Practitioner1316155591
- Abigail Williams, PA-CPhysician Assistant1942838420
Verify Leslie A. Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2017023154Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average family nurse practitioner in 2024
867 Medicare Part D claims for 356 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Gabapentin355 claims
- Pregabalin139 claims
- Duloxetine Hcl88 claims
- Meloxicam46 claims
- Hydrocodone-Acetaminophen33 claims
- Cyclobenzaprine Hcl29 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $228.39
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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
- St Peters Bone And Joint Surgery IncO Fallon, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leslie A. Simpson among 5,226 family nurse practitioner records in Missouri
Leslie A. Simpson, NP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 46% of them.
- NPI issued2017 · 46% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2017 · median 2018 among the 3,339 with a school on file
- Record last updated2022 · 44% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 family nurse practitioner records list a practice address in Saint Peters
They are 42 of the 1,259 NPPES records with a practice address in Saint Peters, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Saint Peters → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Chelsey Becker, FNPSaint Peters, MO 633761043631229
- Carol Berger, DNP, APRN, FNP-CSaint Peters, MO 633761003140328
- Victoria Cobb, N.P.Saint Peters, MO 633761386652055
- Latasha Cunningham, NPSaint Peters, MO 633761710118161
- Jennifer Eickhoff, FNP-BC, MSN ATC, LATSaint Peters, MO 633761316155591
- Donna Holt - Costain, APRN,BCSt Peters, MO 633761144215393
- Susan Iffrig, N.P.Saint Peters, MO 633761588663405
- Andrea Latta, APRN,BCSaint Peters, MO 633761396732152
Common questions
What is Leslie A. Simpson, NP's NPI number?
Leslie A. Simpson, NP's National Provider Identifier (NPI) is 1700303757, issued on Aug 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Leslie A. Simpson, NP located?
The NPPES record lists a practice address at 112 Piper Hill Dr Ste 9, Saint Peters, MO, 63376. Phone: (636) 441-3444. Providers update this record themselves, so call before visiting.
How can I verify Leslie A. Simpson, NP's license?
NPPES lists Missouri license number 2017023154, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Leslie A. Simpson, NP prescribe under Medicare Part D?
In 2024, Leslie A. Simpson, NP had 867 Medicare Part D claims for 356 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Leslie A. Simpson, NP's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.