Lesly J. Czajkowski, RN, BSN, FNP-BC
Family Nurse Practitioner · Saint Louis, MO
Lesly J. Czajkowski, RN, BSN, FNP-BC is a family nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1669956512, issued on Sep 17, 2018. Check the license (Missouri 2016024881, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lesly J. Czajkowski
- Credential
- RN, BSN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2016024881 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3015 N Ballas RD, Saint Louis, MO 63131
- Phone
- (314) 996-5000
- Enumerated
- Sep 17, 2018
- Record last updated
- Sep 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 3015 N Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lesly J. Czajkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2016024881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family nurse practitioner in 2024
47 Medicare Part D claims for 27 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
Lesly J. Czajkowski among 5,226 family nurse practitioner records in Missouri
Lesly J. Czajkowski, RN, BSN, FNP-BC 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 2018, is newer than 53% of them.
- NPI issued2018 · 53% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2018 · 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).
714 family nurse practitioner records list a practice address in Saint Louis
They are 714 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Saint Louis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kristal Burns, FNPSaint Louis, MO 631311073816922
- Karen Dittmer, NPDes Peres, MO 631311750520318
- Cynthia EatonDes Peres, MO 631311689081754
- Becky Hammon, FNPSaint Louis, MO 631311508264946
- Scott Henderson, RNSaint Louis, MO 631311679846570
- Elizabeth Kraus, FNPSaint Louis, MO 631311831495845
- Jennifer Ledbetter, FNPSaint Louis, MO 631311356692669
- Laura Marchi, DNP, FNP-CSaint Louis, MO 631311366850554
Common questions
What is Lesly J. Czajkowski, RN, BSN, FNP-BC's NPI number?
Lesly J. Czajkowski, RN, BSN, FNP-BC's National Provider Identifier (NPI) is 1669956512, issued on Sep 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Lesly J. Czajkowski, RN, BSN, FNP-BC located?
The NPPES record lists a practice address at 3015 N Ballas RD, Saint Louis, MO, 63131. Phone: (314) 996-5000. Providers update this record themselves, so call before visiting.
How can I verify Lesly J. Czajkowski, RN, BSN, FNP-BC's license?
NPPES lists Missouri license number 2016024881, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Lesly J. Czajkowski, RN, BSN, FNP-BC prescribe under Medicare Part D?
In 2024, Lesly J. Czajkowski, RN, BSN, FNP-BC had 47 Medicare Part D claims for 27 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.