SINDY HSIN-PEN WEI-MESTER (M.D., PH.D.) – Diagnostic Radiology Physician, NPI 1053548115
Diagnostic Radiology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
Provider Addresses for SINDY HSIN-PEN WEI-MESTER (M.D., PH.D.)
1245 16th St Ste 100
Santa Monica, CA 904041255
Phone: (310) 301-6800
Fax: (310) 794-9035
Type: Location
23388 Mulholland Dr
Woodland Hills, CA 913642733
Phone: (818) 876-1050
Fax: (818) 876-1026
Type: Location
4323 W Riverside Dr
Burbank, CA 915054044
Phone: (818) 556-2700
Fax: (818) 295-3450
Type: Location
335 N La Brea Ave
Los Angeles, CA 900362517
Phone: (323) 634-3850
Fax: (323) 938-9958
Type: Location
2200 N Sepulveda Blvd
Manhattan Beach, CA 902662910
Phone: (310) 301-6800
Fax: (310) 794-9035
Type: Location
5767, West Century Boulevard, Westchester, Los Angeles, Los Angeles County, California, 90045, United States
SUITE 400
LOS ANGELES, CA 900455631
Phone:
Type: Mailing
University of California, Los Angeles, Glendon Avenue, Westwood Village, Westwood, Los Angeles, Los Angeles County, California, 90024-3990, United States
LOS ANGELES, CA 900953097
Phone: (310) 301-6800
Fax: (310) 794-9035
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2013-05-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20130529000101 | I | Diagnostic Radiology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 10,000 | 96 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 2,450 | 29 | $0 |
| 71045 | X-ray of chest, 1 view | 418 | 398 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 254 | 252 | $0 |
| A9581 | Injection, gadoxetate disodium, 1 ml | 180 | 16 | $0 |
Insurance plans in this area (ZIP 90404)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 17 | 17 |
| DIAGNOSTIC RADIOLOGY | CA | 73562 | X-ray of knee, 3 views | 13 | 11 |
| DIAGNOSTIC RADIOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 163 | 159 |
| DIAGNOSTIC RADIOLOGY | CA | 76830 | Ultrasound pelvis through vagina | 44 | 44 |
| DIAGNOSTIC RADIOLOGY | CA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 20 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | CA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MI | |
| Diagnostic Radiology | CA | |
| Family Practice | CA | |
| P O D I A T R Y | CA | |
| Diagnostic Radiology | CA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | CA | |
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA |
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