ESMOND K YEN (MD) – Obstetrics & Gynecology Physician, NPI 1285698100
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,923 OBSTETRICS/GYNECOLOGY in IL
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Provider Addresses for ESMOND K YEN (MD)
7425, Janes Avenue, Woodridge, DuPage County, Illinois, 60517, United States
WOODRIDGE, IL 605172356
Phone: (815) 300-7764
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $194.
Total Amount is formed as General ($194) + Research ($0) + Ownership ($0) = $194.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Organon LLC ($73).
Total Amount
$194
General + Research + Ownership
Payments
11
Total payment records
General Amount
$194
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Organon LLC | $73 |
| Astellas Pharma US Inc | $44 |
| PFIZER INC. | $42 |
| Hologic Sales and Service, LLC | $19 |
| Exact Sciences Corporation | $15 |
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: 2010-06-10
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 |
|---|---|---|---|---|
| I20100610000788 | I | Obstetrics/Gynecology | IL | 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 | 32 | 25 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 29 | 29 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 18 | 18 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 16 | 16 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 16 | 16 | $0 |
Insurance plans in this area (ZIP 60517)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | IL | |
| Pediatric Medicine, Internal Medicine | IL | |
| Family Practice | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Internal Medicine | IL | |
| Internal Medicine | IL | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| General Surgery | IL | |
| Hematology/Oncology, Medical Oncology | IL |
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