Doctor profile · Federal record
Dr. John Derfelt, DNP, APRN, FNP-C
Family Nurse Practitioner (CMS: Nurse Practitioner) · Joplin, MO
- NPI 1912377862
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Mercy Way
Joplin, MO 648044524
(417) 556-2300
Credentials & registration
- NPI registered
- October 2015 — 11 yrs on file
- Profile last updated
- December 18, 2019
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Missouri #2015035372
- Medicaid (2)
- MO #PENDING · KS #PENDING
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912377862. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
237
Distinct HCPCS
3
Medicare allowed
$29,381
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 142 | 138 | $146 | |
99284 |
Emergency department visit with moderate level of medical decision making | 74 | 72 | $100 | |
99283 |
Emergency department visit with low level of medical decision making | 21 | 19 | $60 |
In context: peer comparison
Among 35 peers in this city , average services per provider: 96. This provider delivers 2.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
67
Patients
67
Total drug cost
$671
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 24 | 24 | $202 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 20 | 20 | $102 |
| Doxycycline Hyclate | Generic | 12 | 12 | $257 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $109 |
Hospital affiliations
Frequently asked questions
What is Dr. John Derfelt's medical specialty?
Dr. John Derfelt practices Family Nurse Practitioner in Joplin, MO.
Where does Dr. John Derfelt practice?
Dr. John Derfelt practices at 100 Mercy Way, Joplin, MO 648044524. Office phone: 4175562300.
What is Dr. John Derfelt's NPI?
Dr. John Derfelt's National Provider Identifier (NPI) is 1912377862, issued by NPPES.
Does Dr. John Derfelt accept Medicare assignment?
Yes. Dr. John Derfelt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Derfelt commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.