DR. KENNETH KAI HEI CHAN (M.D.) – Maternal & Fetal Medicine Physician, NPI 1649236480
Maternal & Fetal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for DR. KENNETH KAI HEI CHAN (M.D.)
23441 Madison St
#290
Torrance, CA 905054725
Phone: (310) 375-7172
Fax: (310) 375-7192
Type: Location
23441, Madison Street, Walteria, Torrance, Los Angeles County, California, 90505, United States
#290
TORRANCE, CA 905054725
Phone: (310) 375-7172
Fax: (310) 375-7192
Type: Mailing
2888 LONG BEACH BLVD STE 400
LONG BEACH, CA 908061553
Phone: (562) 997-8510
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $49.
Total Amount is formed as General ($49) + Research ($0) + Ownership ($0) = $49.
Last reported payment date: 2024-03-07 • Largest payer in this snapshot: Boehringer Ingelheim Pharmaceuticals, Inc. ($49).
Total Amount
$49
General + Research + Ownership
Payments
2
Total payment records
General Amount
$49
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $49 |
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: 2011-06-16
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 |
|---|---|---|---|---|
| I20110616000099 | I | Obstetrics/Gynecology | 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 90505)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NJ | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| - | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| - | CA | |
| - | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OH | |
| Diagnostic Radiology | CA |
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