DR. CHRIS CHANGEUN SHIN (M.D.) – Internal Medicine Physician, NPI 1326060179
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DR. CHRIS CHANGEUN SHIN (M.D.)
5451 LA PALMA AVE STE 31
LA PALMA, CA 906231731
Phone: (714) 736-9185
Fax: (714) 736-9127
Type: Mailing
3511 W OLYMPIC BLVD STE 101
LOS ANGELES, CA 900193563
Phone: (323) 766-1057
Fax: (323) 266-8790
Type: Mailing
408 S BEACH BLVD STE 204
ANAHEIM, CA 928041878
Phone: (714) 577-2340
Fax: (714) 710-1197
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $1,003.
Total Amount is formed as General ($1,003) + Research ($0) + Ownership ($0) = $1,003.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Gilead Sciences, Inc. ($284).
Total Amount
$1,003
General + Research + Ownership
Payments
43
Total payment records
General Amount
$1,003
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2009-07-23
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 |
|---|---|---|---|---|
| I20090723000231 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 493 | 215 | $0 |
| 96361 | Infusion into a vein for hydration, each additional hour | 192 | 35 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 69 | 38 | $0 |
| J7120 | Ringers lactate infusion, up to 1000 cc | 65 | 36 | $0 |
| 96360 | Infusion into a vein for hydration, 31-60 minutes | 62 | 34 | $0 |
Insurance plans in this area (ZIP 90623)
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