DAVID Y. KO (M.D.) – Clinical Neurophysiology Physician, NPI 1932143963
Clinical Neurophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,479 NEUROLOGY in CA
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Provider Addresses for DAVID Y. KO (M.D.)
PO BOX 31309
LOS ANGELES, CA 900310309
Phone: (323) 442-5710
Fax: (323) 442-5736
Type: Mailing
1520, San Pablo Street, Boyle Heights, Los Angeles, Los Angeles County, California, 90033, United States
SUITE 3000
LOS ANGELES, CA 900335310
Phone: (626) 442-5710
Fax: (323) 442-5736
Type: Location
3240 LOMBARDY RD
PASADENA, CA 911075533
Phone: (323) 697-9802
Type: Mailing
11201 BENTON ST # 2A-205
LOMA LINDA, CA 923575310
Phone: (909) 825-7084
Fax: (909) 777-3814
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $387.
Total Amount is formed as General ($387) + Research ($0) + Ownership ($0) = $387.
Last reported payment date: 2024-12-08 • Largest payer in this snapshot: SK Life Science, Inc. ($179).
Total Amount
$387
General + Research + Ownership
Payments
5
Total payment records
General Amount
$387
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SK Life Science, Inc. | $179 |
| Azurity Pharmaceuticals, Inc. | $108 |
| Averitas Pharma Inc. | $100 |
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: 2026-03-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20090520000142 | I | Neurology | CA | TBD |
| I20260305002861 | I | Neurology | MT | TBD |
| I20260306002039 | I | Neurology | NM | 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 90031)
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