YONG-SIK KIM (MD) – Internal Medicine Physician, NPI 1033317565
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for YONG-SIK KIM (MD)
16671 Yorba Linda Blvd Ste 100
Suite F
Yorba Linda, CA 928862025
Phone: (714) 985-6400
Fax: (714) 985-6425
Type: Location
PO BOX 35380
LAS VEGAS, NV 891335380
Phone: (702) 579-3203
Type: Mailing
Yorba Linda Boulevard, Esperanza, Yorba Linda, Orange County, California, 92887, United States
YORBA LINDA, CA 928862025
Phone: (714) 985-6400
Type: Mailing
24221 CALLE DE LA LOUISA STE 200
LAGUNA HILLS, CA 926533642
Phone: (949) 334-8270
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: 2013-08-26
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 |
|---|---|---|---|---|
| I20130826000557 | I | Internal 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 92886)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | CA | |
| Endocrinology, Internal Medicine | CA | |
| - | CA | |
| Nephrology, Internal Medicine | NV | |
| Internal Medicine | NV | |
| Internal Medicine | NV | |
| Family Practice | CA | |
| Nephrology, Internal Medicine | NV | |
| Internal Medicine | NV | |
| Internal Medicine | NV |
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