TAMMY ELIZABETH CHU (PA) – Dermatology Physician, NPI 1407337876
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,564 PHYSICIAN ASSISTANT in CA
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Provider Addresses for TAMMY ELIZABETH CHU (PA)
205, Duarte Road, Arcadia, Los Angeles County, California, 91007, United States
ARCADIA, CA 910079229
Phone: (626) 446-8809
Fax: (626) 446-8268
Type: Location
525 SOUTH DR STE 115
MOUNTAIN VIEW, CA 940404211
Phone: (408) 369-5620
Fax: (408) 558-7919
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 260 Open Payments records for all available years, with a total value of $6,759.
Total Amount is formed as General ($6,759) + Research ($0) + Ownership ($0) = $6,759.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: GENZYME CORPORATION ($1,140).
Total Amount
$6,759
General + Research + Ownership
Payments
260
Total payment records
General Amount
$6,759
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $1,140 |
| ABBVIE INC. | $930 |
| Incyte Corporation | $713 |
| E.R. Squibb & Sons, L.L.C. | $675 |
| STRATA Skin Sciences, Inc. | $616 |
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: 2019-06-07
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 |
|---|---|---|---|---|
| I20190607001161 | I | Physician Assistant | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 91007)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| Dermatology, Pathology | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| Physician Assistant | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| P A T H O L O G Y | CA | |
| D E R M A T O L O G Y | CA |
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