DR. HEEWON KWAK (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1396186300
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
766 PATHOLOGY in IL
Provider Addresses for DR. HEEWON KWAK (M.D.)
4440 W 95TH ST
OAK LAWN, IL 604532600
Phone: (708) 684-5226
Type: Mailing
5841 S MARYLAND AVE
UNIVERSITY OF CHICAGO DEPARTMENT OF PATHOLOGY
CHICAGO, IL 606371447
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
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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: 2017-06-16
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 |
|---|---|---|---|---|
| I20170616000294 | 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 | 755 | 406 | $0 |
| 84165 | Protein measurement, serum | 674 | 590 | $0 |
| 86334 | Immunologic analysis technique on serum (immunofixation) | 369 | 327 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 270 | 218 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 201 | 70 | $0 |
Insurance plans in this area (ZIP 60453)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | IL | |
| - | IL | |
| - | IL | |
| P A T H O L O G Y | MN | |
| - | IL | |
| - | IL | |
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | IL | |
| - | IL |
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