MS. JUDY SUN (M.D.) – Obstetrics & Gynecology Physician, NPI 1689659773
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 MS. JUDY SUN (M.D.)
Mercy Hospital & Medical Center, 2525, South Michigan Avenue, Near South Side, Chicago, Cook County, Illinois, 60616, United States
ATT: MEDICAL STAFF OFFICE
CHICAGO, IL 606162315
Phone: (312) 567-7924
Fax: (312) 567-6189
Type: Mailing
Dearborn Station, 47, West Polk Street, Printer's Row, Loop, South Loop, Chicago, Cook County, Illinois, 60605, United States
SUITE G1
CHICAGO, IL 606052000
Phone: (312) 922-3011
Fax: (312) 922-5860
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $181.
Total Amount is formed as General ($181) + Research ($0) + Ownership ($0) = $181.
Last reported payment date: 2024-10-03 • Largest payer in this snapshot: Organon LLC ($30).
Total Amount
$181
General + Research + Ownership
Payments
8
Total payment records
General Amount
$181
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Organon LLC | $30 |
| 180 Medical, Inc. | $26 |
| Hologic Sales and Service, LLC | $23 |
| ABBVIE INC. | $22 |
| Sumitomo Pharma America, Inc. | $22 |
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: 2005-12-02
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 |
|---|---|---|---|---|
| I20051202000060 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 137 | 109 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 64 | 64 | $0 |
| 81003 | Automated urinalysis test | 60 | 47 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 53 | 31 | $0 |
| 51798 | Ultrasound measurement of bladder capacity after voiding | 18 | 11 | $0 |
Insurance plans in this area (ZIP 60616)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL |
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