SALLY CHAU (MD) – Internal Medicine Physician, NPI 1154959401
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for SALLY CHAU (MD)
500 PARNASSUS AVE
MAILBOX 0532
SAN FRANCISCO, CA 941432203
Phone:
Type: Mailing
14445 OLIVE VIEW DR RM 2B-182
SYLMAR, CA 913421437
Phone:
Type: Mailing
14445 OLIVE VIEW DR
SYLMAR, CA 913421437
Phone: (747) 210-3205
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $262.
Total Amount is formed as General ($262) + Research ($0) + Ownership ($0) = $262.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($125).
Total Amount
$262
General + Research + Ownership
Payments
3
Total payment records
General Amount
$262
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Travere Therapeutics, Inc. | $125 |
| ViiV Healthcare Company | $115 |
| NxStage Medical, Inc. | $22 |
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: 2025-07-07
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 |
|---|---|---|---|---|
| I20250707000702 | I | Internal Medicine | 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 94143)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Vascular Surgery, General Surgery | CA | |
| Nephrology, Internal Medicine | AZ | |
| N E P H R O L O G Y | CA | |
| Nephrology, Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| N E P H R O L O G Y | CA | |
| Nurse Practitioner | CA | |
| Vascular Surgery | CA | |
| Internal Medicine, Nephrology | AZ |
Reviews
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