JOHN M. DERFELT DNP, APRN, FNP-C
NPI 1912377862
Nurse Practitioner - Family in Joplin, MO

Active since October 05, 2015PECOS EnrolledAccepts Medicare Assignment
100 MERCY WAY, JOPLIN, MO 64804(417) 556-2300 Get Directions Write a Review

NPPES record last updated: December 18, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 18, 2019, Jul 27, 2018 (2 updates tracked since 2018).

About John M. Derfelt Dnp, Aprn, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN M. DERFELT DNP, APRN, FNP-C (NPI 1912377862) is an individual family provider in Joplin, Missouri, licensed in Missouri (2015035372) and active in the NPI registry since October 2015. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1912377862
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameJOHN M. DERFELTCredential: DNP, APRN, FNP-C
Location Address100 MERCY WAYJoplin, MO 64804-4524
Mailing Address100 Mercy WayJoplin, MO 64804-4524 · (417) 556-2300
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 5, 2015
Last NPPES UpdateDecember 18, 20192 updates tracked since enumeration
NPI 1912377862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MO · 2015035372
100 MERCY WAY, Joplin, MO 64804

Other Identifiers 2

MedicaidPENDINGKS
MedicaidPENDINGMO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John M. Derfelt Dnp, Aprn, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951610492
PECOS Enrollment IDI20151022002197
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
162 services158 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
63 services63 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital Joplin

Acute Care Hospitals · Joplin, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260001
Location100 Mercy WayJoplin, MO 64804 · Jasper County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 64804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
100 MERCY WAY
JOPLIN, MO 64804
Nurse Practitioner (Family)
100 MERCY WAY
JOPLIN, MO 64804
Dietitian, Registered
100 MERCY WAY
JOPLIN, MO 64804
Registered Nurse
100 MERCY WAY
JOPLIN, MO 64804
Emergency Medicine
100 MERCY WAY
JOPLIN, MO 64804
Hospitalist
100 MERCY WAY
JOPLIN, MO 64804
Physician Assistant (Surgical)
100 MERCY WAY
JOPLIN, MO 64804
Registered Nurse
100 MERCY WAY
JOPLIN, MO 64804

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Derfelt's NPI number?

The NPI number for John Derfelt is 1912377862. It was assigned to this individual provider in the NPPES registry on October 5, 2015.

Where is John Derfelt located?

John Derfelt practices at 100 Mercy Way, Joplin, MO 64804. The listed phone number is (417) 556-2300.

What is John Derfelt's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is John Derfelt enrolled in Medicare?

Yes. John Derfelt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Derfelt accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list John Derfelt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Derfelt affiliated with any hospitals?

According to CMS data, John Derfelt is affiliated with Mercy Hospital Joplin.

When was this NPI record last updated?

The NPPES record for John Derfelt was last updated on December 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.