Doctor profile · Federal record
Dr. Marshall Koon, PA-C
Medical Physician Assistant · Apple Valley, CA
- NPI 1982939302
- MIPS 86.3 / 100 · 2023
- 17 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18300 US Highway 18
Apple Valley, CA 923072206
(760) 242-2311
Credentials & registration
- NPI registered
- October 2009 — 17 yrs on file
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- California #PA20578
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982939302. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
46
Distinct HCPCS
2
Medicare allowed
$5,337
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 35 | 31 | $105 | |
99285 |
Emergency department visit with high level of medical decision making | 11 | 11 | $152 |
In context: peer comparison
Among 3 peers in Apple Valley Medical Physician Assistant, average services per provider: 142. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
18
Patients
17
Total drug cost
$97
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 17 | $97 |
Frequently asked questions
What is Dr. Marshall Koon's medical specialty?
Dr. Marshall Koon practices Medical Physician Assistant in Apple Valley, CA.
Where does Dr. Marshall Koon practice?
Dr. Marshall Koon practices at 18300 US Highway 18, Apple Valley, CA 923072206. Office phone: 7602422311.
What is Dr. Marshall Koon's NPI?
Dr. Marshall Koon's National Provider Identifier (NPI) is 1982939302, issued by NPPES.
What procedures does Dr. Marshall Koon commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.