DR. JI-WEON PARK (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1952573511
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
406 PATHOLOGY in MO
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Provider Addresses for DR. JI-WEON PARK (MD)
South Kingshighway Boulevard, North Hampton, City of Saint Louis, Missouri, 63116, United States
SAINT LOUIS, MO 631101026
Phone: (314) 362-5641
Fax: (314) 362-0369
Type: Location
Rush University Medical Center, 1653, West Congress Parkway, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
CHICAGO, IL 606123833
Phone: (314) 362-5641
Fax: (314) 362-0369
Type: Mailing
216 S Kingshighway Blvd
Saint Louis, MO 631101026
Phone: (314) 362-5641
Fax: (314) 362-0369
Type: Location
1000 N WESTMORELAND RD # LL0519
LAKE FOREST, IL 600451658
Phone: (847) 535-6218
Fax: (847) 535-6237
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2015-08-24
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 |
|---|---|---|---|---|
| I20150824000203 | I | Pathology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 996 | 470 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 339 | 63 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 252 | 196 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 190 | 43 | $0 |
| 88108 | Cell examination of specimen, concentration technique | 120 | 84 | $0 |
Insurance plans in this area (ZIP 63110)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | MO | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 24 | 13 |
| PATHOLOGY | MO | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 72 | 46 |
| PATHOLOGY | MO | 88342 | Tissue or cell analysis by immunologic technique | 94 | 82 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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