ERICA CUA CHEN (M.D.) – Allergy & Immunology Physician, NPI 1386089068
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
521 ALLERGY/IMMUNOLOGY in CA
Provider Addresses for ERICA CUA CHEN (M.D.)
435 SEFTON AVE UNIT D
MONTEREY PARK, CA 917554414
Phone: (626) 375-2385
Type: Mailing
8001 VENTURA CANYON AVE
PANORAMA CITY, CA 91402
Phone: (833) 574-2273
Type: Location
1200 N State St
CT-A7D
Los Angeles, CA 900331029
Phone: (323) 226-7556
Fax: (323) 226-2657
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 58 Open Payments records for all available years, with a total value of $1,360.
Total Amount is formed as General ($1,360) + Research ($0) + Ownership ($0) = $1,360.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: GENZYME CORPORATION ($436).
Total Amount
$1,360
General + Research + Ownership
Payments
58
Total payment records
General Amount
$1,360
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $436 |
| GlaxoSmithKline, LLC. | $336 |
| Regeneron Healthcare Solutions, Inc. | $316 |
| Takeda Pharmaceuticals U.S.A., Inc. | $77 |
| CSL Behring | $55 |
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: 2019-11-21
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 |
|---|---|---|---|---|
| I20191121002350 | I | Allergy/Immunology | 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 21 | 16 | $0 |
Insurance plans in this area (ZIP 91755)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | FL |
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