Physician Profile
Unclaimed ProfileAbout SIM
Julie Park Sim, MD practices diagnostic radiology in Torrance, CA. Medicare claims data shows Julie provided 2,571 services to 2,531 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (310) 517-4709
- Email not available
Practice Locations
3275 SKYPARK DR STE 4
Torrance, CA 90505
Procedures Most Often Billed to Medicare
2,571 services · 2,531 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of breast and placement of locating device using ultrasound, first growth | Procedure | 19083 |
30 |
| Screening mammography | Imaging | 77067 |
880 |
| Screening 3d breast mammography | Imaging | 77063 |
880 |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
194 |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
149 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
89 |
| Diagnostic mammography of both breasts | Imaging | 77066 |
62 |
| Complete ultrasound scan of 1 breast | Imaging | 76641 |
58 |
| Mri scan of both breasts | Imaging | 77049 |
29 |
| X-ray of surgical specimen | Imaging | 76098 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Torrance 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of breast and placement of locating device using ultrasound, first growth 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Sim specialize in?
Dr. Sim is a diagnostic radiology in Torrance, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Sim located?
Dr. Sim is listed at 3275 SKYPARK DR STE 4, Torrance, CA 90505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sim's phone number?
The number on file is (310) 517-4709. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Sim?
Dr. Sim's National Provider Identifier is 1447293733. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Sim go to medical school?
Dr. Sim attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sim have?
Dr. Sim has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sim do most often?
According to Medicare billing data, Dr. Sim performs procedures including biopsy of breast and placement of locating device using ultrasound, first growth; reads or performs imaging such as screening mammography and screening 3d breast mammography. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sim's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sim. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.