Doctor profile · Federal record
Dr. Mallory Willenborg, PA-C
Emergency Medicine Physician · Physician Assistant · Colton, CA
- NPI 1598213886
- 10 yrs on file
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 N Pepper Ave
Colton, CA 923241801
(909) 580-1000 - Mailing address
-
1255 Ne 95Th St
Miami Shores, FL 331382549
Credentials & registration
- NPI registered
- September 2016 — 10 yrs on file
- Profile last updated
- December 10, 2016
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- California #53867 · Florida #9109799
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598213886. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
74
Distinct HCPCS
2
Medicare allowed
$9,943
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 44 | 43 | $154 | |
99284 |
Emergency department visit with moderate level of medical decision making | 30 | 30 | $106 |
In context: peer comparison
Among 38 peers in this city , average services per provider: 91. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
12
Total drug cost
$86
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mupirocin | Generic | 12 | 12 | $86 |
Frequently asked questions
What is Dr. Mallory Willenborg's medical specialty?
Dr. Mallory Willenborg practices Emergency Medicine Physician in Colton, CA.
Where does Dr. Mallory Willenborg practice?
Dr. Mallory Willenborg practices at 400 N Pepper Ave, Colton, CA 923241801. Office phone: 9095801000.
What is Dr. Mallory Willenborg's NPI?
Dr. Mallory Willenborg's National Provider Identifier (NPI) is 1598213886, issued by NPPES.
What procedures does Dr. Mallory Willenborg 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). Source: CMS Medicare Physician & Other Practitioners file.