Doctor profile · Federal record
Dr. John Buckner, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Oxnard, CA
- NPI 1215294327
- Accepts Medicare
- MIPS 77.7 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1600 N Rose Ave
Oxnard, CA 930303722
(805) 988-2500 - Additional location
-
2301 Holmes St
Kansas City, MO 64108
(816) 404-4175
fax (816) 404-0003 - Mailing address
-
4629 Pepper Mill St
Moorpark, CA 930212408
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- November 18, 2022
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- California #157401 · Missouri #2014021729
- Medicaid
- MO #1215294327
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215294327. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
838
Distinct HCPCS
4
Medicare allowed
$96,816
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 297 | 281 | $179 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 273 | 239 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 183 | 177 | $123 | |
99291 |
Critical care, first 30-74 minutes | 85 | 84 | $220 |
In context: peer comparison
Among 8 peers in Oxnard Emergency Medicine Physician, average services per provider: 154. This provider delivers 5.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
111
Patients
97
Total drug cost
$679
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 31 | 31 | $228 |
| Cephalexin | Generic | 27 | 26 | $266 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 23 | 23 | $96 |
| Prednisone | Generic | 19 | 17 | $41 |
| Azithromycin | Generic | 11 | 0 | $48 |
Frequently asked questions
What is Dr. John Buckner's medical specialty?
Dr. John Buckner practices Emergency Medicine Physician in Oxnard, CA.
Where does Dr. John Buckner practice?
Dr. John Buckner practices at 1600 N Rose Ave, Oxnard, CA 930303722. Office phone: 8059882500.
What is Dr. John Buckner's NPI?
Dr. John Buckner's National Provider Identifier (NPI) is 1215294327, issued by NPPES.
Does Dr. John Buckner accept Medicare assignment?
Yes. Dr. John Buckner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Buckner commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.