DR. GRACE CHAN OEI (M.D.) – Pediatric Critical Care Medicine Physician, NPI 1154522340
Pediatric Critical Care Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,386 PEDIATRIC MEDICINE in CA
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Provider Addresses for DR. GRACE CHAN OEI (M.D.)
LOMA LINDA UNIVERSITY FACULTY MEDICAL GROUP
11175 CAMPUS STREET
LOMA LINDA, CA 92350
Phone: (909) 558-4250
Type: Mailing
Loma Linda University Medical Center, 11234, Anderson Street, Loma Linda, San Bernardino County, California, 92354, United States
HOUSE STAFF OFFICE CP 21005, 11234 ANDERSON STREET
LOMA LINDA, CA 923542741
Phone: (909) 558-4000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-11-21
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 |
|---|---|---|---|---|
| I20081121000601 | I | Pediatric 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 92350)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Physician Assistant | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| Critical Care (Intensivists), General Surgery | CA | |
| Surgical Oncology, General Surgery | IL | |
| A N E S T H E S I O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA |
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