John M. Derfelt, DNP, APRN, FNP-C
Family Nurse Practitioner · Joplin, MO
John M. Derfelt, DNP, APRN, FNP-C is a family nurse practitioner with a practice address in Joplin, Missouri, and NPI 1912377862, issued on Oct 5, 2015. Check the license (Missouri 2015035372, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John M. Derfelt
- Credential
- DNP, APRN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2015035372 MO
Self-reported in NPPES; status is on the state search - Practice location
- 100 Mercy Way, Joplin, MO 64804
- Phone
- (417) 556-2300
- Enumerated
- Oct 5, 2015
- Record last updated
- Dec 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- PENDING MO
PENDING KS - Medicare enrollment
- Enrolled (PECOS I20151022002197); 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 100 Mercy Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhannad Abdin, PA-CPhysician Assistant1528859808
- Riley AbernathyStudent in an Organized Health Care Education/Training Program1679491013
- Fayzeh Abu-RumailehPharmacist1952183261
- Syed Ahmed, M.D.Pulmonary Disease Physician1245273150
- Kevin Alban, M.D.Internal Medicine Physician1740554914
- Cayden Alexander, RDRegistered Dietitian1417739525
Verify John M. Derfelt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2015035372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
218 Medicare Part D claims for 146 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen29 claims
- Prednisone19 claims
- Cephalexin17 claims
- Tramadol Hcl11 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.
Bills Medicare through one group practice
- Green Country Emergency Physicians Group OF Tulsa, PLLCJoplin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Derfelt among 5,226 family nurse practitioner records in Missouri
John M. Derfelt, DNP, APRN, FNP-C 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 2015, is newer than 34% of them.
- NPI issued2015 · 34% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2018 among the 3,339 with a school on file
- Record last updated2019 · 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).
101 family nurse practitioner records list a practice address in Joplin
They are 101 of the 2,443 NPPES records with a practice address in Joplin, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Joplin → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Judith Ballard, NURSE PRACTITIONERJoplin, MO 648041316036700
- Julie Chrisco, FNPJoplin, MO 648041487682563
- Brenda Cupp, DNPJoplin, MO 648041366530628
- Wilbur Flood, RN, FNPJoplin, MO 648041841490141
- Andra Fontaine, FNP-CJoplin, MO 648041083890461
- Jackie Graue, NPJoplin, MO 648041972781847
- Susan Gutierrez, FNPJoplin, MO 648041356366405
- Louise Hansen, FNPJoplin, MO 648041902980360
Common questions
What is John M. Derfelt, DNP, APRN, FNP-C's NPI number?
John M. Derfelt, DNP, APRN, FNP-C's National Provider Identifier (NPI) is 1912377862, issued on Oct 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John M. Derfelt, DNP, APRN, FNP-C located?
The NPPES record lists a practice address at 100 Mercy Way, Joplin, MO, 64804. Phone: (417) 556-2300. Providers update this record themselves, so call before visiting.
How can I verify John M. Derfelt, DNP, APRN, FNP-C's license?
NPPES lists Missouri license number 2015035372, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does John M. Derfelt, DNP, APRN, FNP-C prescribe under Medicare Part D?
In 2024, John M. Derfelt, DNP, APRN, FNP-C had 218 Medicare Part D claims for 146 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.