CHIEN-WAI CHIU (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1013544931
Geriatric Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
711 GERIATRIC MEDICINE in CA
Provider Addresses for CHIEN-WAI CHIU (MD)
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 933064018
Phone: (661) 326-2202
Fax: (661) 326-2201
Type: Mailing
PO BOX 11
NEWARK, CA 945600011
Phone:
Type: Mailing
1870 LUNDY AVE
SAN JOSE, CA 951311826
Phone: (408) 573-9686
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $122.
Total Amount is formed as General ($122) + Research ($0) + Ownership ($0) = $122.
Last reported payment date: 2023-08-31 • Largest payer in this snapshot: Corium, LLC ($122).
Total Amount
$122
General + Research + Ownership
Payments
1
Total payment records
General Amount
$122
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Corium, LLC | $122 |
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: 2024-09-11
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 |
|---|---|---|---|---|
| I20240911004374 | I | Geriatric 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 93306)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| R H E U M A T O L O G Y | NC | |
| Internal Medicine | CA | |
| Family Practice | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| Internal Medicine | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Internal Medicine | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.