IFAN CHEN (ARNP) – Family Medicine Physician, NPI 1346235199
Family Medicine Physician
Main info
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Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for IFAN CHEN (ARNP)
1021, Nebraska Street, Sioux City, Woodbury County, Iowa, 51105, United States
P.O. BOX 5410
SIOUX CITY, IA 51102
Phone: (712) 252-2477
Fax: (712) 252-5516
Type: Mailing
501 1ST AVE
SOUTH SIOUX CITY, NE 687761703
Phone: (402) 494-3064
Fax: (712) 294-7299
Type: Mailing
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 $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2024-04-10 • Largest payer in this snapshot: Amgen Inc. ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $14 |
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: 2024-12-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20111208000084 | I | Nurse Practitioner | IA | TBD |
| I20230112000925 | I | Nurse Practitioner | NE | TBD |
| I20241218002193 | I | Nurse Practitioner | SD | 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 | 36 | 32 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 28 | 20 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 23 | 13 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 22 | 18 | $0 |
| 87880 | Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 14 | 14 | $0 |
Insurance plans in this area (ZIP 51102)
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