CATHERINE SHEY-HWA NI (M.D.) – Dermatology Physician, NPI 1013371343
Dermatology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,140 DERMATOLOGY in CA
Provider Addresses for CATHERINE SHEY-HWA NI (M.D.)
14445 Olive View Dr
Rm 2B182
Sylmar, CA 913421437
Phone: (818) 364-3205
Type: Location
Ventura Boulevard, Encino, Los Angeles, Los Angeles County, California, 91436, United States
ENCINO, CA 914362248
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
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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: 2019-11-14
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 |
|---|---|---|---|---|
| I20191114001079 | I | Dermatology | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 835 | 104 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 360 | 242 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 250 | 183 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 234 | 147 | $0 |
| 11103 | Biopsy of related skin growth, each additional growth | 144 | 92 | $0 |
Insurance plans in this area (ZIP 91342)
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