IHONG CHEN (MD) – Internal Medicine Physician, NPI 1104822535
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for IHONG CHEN (MD)
17360, Brookhurst Street, Colonia Juarez, Fountain Valley, Orange County, California, 92708, United States
ATTN: MCMF - CREDENTIALING DEPARTMENT
FOUNTAIN VALLEY, CA 927083720
Phone:
Type: Mailing
Brookhurst Street, Fountain Valley, Orange County, California, 92655, United States
SUITE 2100
FOUNTAIN VALLEY, CA 92708
Phone: (657) 241-9090
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $28.
Total Amount is formed as General ($28) + Research ($0) + Ownership ($0) = $28.
Last reported payment date: 2023-03-08 • Largest payer in this snapshot: Shionogi Inc ($28).
Total Amount
$28
General + Research + Ownership
Payments
1
Total payment records
General Amount
$28
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Shionogi Inc | $28 |
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: 2004-07-15
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 |
|---|---|---|---|---|
| I20040715000631 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 197 | 103 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 154 | 96 | $0 |
| 99497 | Advance care planning, first 30 minutes | 79 | 79 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 55 | 55 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 39 | 39 | $0 |
Insurance plans in this area (ZIP 92708)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| Neurology, Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| - | CA |
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