JOHNNY CAI (DO) – Internal Medicine Physician, NPI 1861998452
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
Provider Addresses for JOHNNY CAI (DO)
14445 OLIVE VIEW DRIVE
OLIVE VIEW-UCLA MEDICAL CENTER DEPT OF MEDICINE, 2B-182
SYLMAR, CA 91342
Phone: (747) 210-4573
Type: Mailing
Richard T. Jones Hall, 3181, Southwest Sam Jackson Park Road, Marquam Hill, Homestead, Portland, Metro, Multnomah County, Oregon, 97239, United States
PORTLAND, OR 972393011
Phone:
Type: Mailing
3181 SW Sam Jackson Park Rd
Portland, OR 972393011
Phone: (503) 494-8211
Type: Location
14445 Olive View Drive
Olive View-UCLA Medical Center Dept of Medicine, 2B-182
Sylmar, CA 91342
Phone: (747) 210-4573
Type: Location
4000 DUBLIN BLVD
DUBLIN, CA 945683113
Phone: (510) 498-2335
Type: Location
325 DISTEL CIR
LOS ALTOS, CA 940221408
Phone: (510) 498-2335
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $707.
Total Amount is formed as General ($707) + Research ($0) + Ownership ($0) = $707.
Last reported payment date: 2024-09-18 • Largest payer in this snapshot: PFIZER INC. ($148).
Total Amount
$707
General + Research + Ownership
Payments
23
Total payment records
General Amount
$707
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $148 |
| Astellas Pharma US Inc | $144 |
| AstraZeneca Pharmaceuticals LP | $79 |
| Seagen Inc. | $75 |
| Celgene Corporation | $56 |
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: 2024-08-09
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 |
|---|---|---|---|---|
| I20240809003586 | I | Hematology/Oncology | 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 91342)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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