Doctor profile · Federal record
Dr. Aaron Jun, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Diagnostic Ultrasound Physician · Diagnostic Ultrasound Physician · Rancho Cucamonga, CA
- NPI 1033194253
- Accepts Medicare
- 28 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8599 Haven Ave., Suite 300
Rancho Cucamonga, CA 917304849
(909) 620-8180
fax (909) 919-7288
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- August 19, 2024
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (3)
- California #A81322 · Ohio #35079892 · Delaware #C1-0025771
- Medicaid (2)
- OH #2694688 · CA #00AA813220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033194253. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,104
Distinct HCPCS
10
Medicare allowed
$96,212
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
70450 |
Ct scan head or brain without contrast | 541 | 526 | $41 | |
71045 |
X-ray of chest, 1 view | 304 | 291 | $9 | |
70450 |
Ct scan head or brain without contrast | 209 | 206 | $41 | |
72125 |
Ct scan of upper spine without contrast | 153 | 151 | $48 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 86 | 86 | $89 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 76 | 74 | $85 | |
70498 |
Ct scan of blood vessels of neck with contrast | 60 | 59 | $82 | |
70551 |
Mri scan of brain without contrast | 55 | 55 | $72 | |
70496 |
Ct scan of blood vessels of head with contrast | 53 | 51 | $84 | |
72125 |
Ct scan of upper spine without contrast | 44 | 43 | $48 |
In context: peer comparison
Among 4 peers in Rancho Cucamonga Diagnostic Radiology Physician, average services per provider: 60. This provider delivers 35× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Aaron Jun's medical specialty?
Dr. Aaron Jun practices Diagnostic Radiology Physician in Rancho Cucamonga, CA.
Where does Dr. Aaron Jun practice?
Dr. Aaron Jun practices at 8599 Haven Ave., Rancho Cucamonga, CA 917304849. Office phone: 9096208180.
What is Dr. Aaron Jun's NPI?
Dr. Aaron Jun's National Provider Identifier (NPI) is 1033194253, issued by NPPES.
Does Dr. Aaron Jun accept Medicare assignment?
Yes. Dr. Aaron Jun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Jun commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.