HELEN (MIN) CHEN (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1124028022
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
766 PATHOLOGY in IL
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Provider Addresses for HELEN (MIN) CHEN (M.D.)
520, East 22nd Street, Highland Hills, Lombard, DuPage County, Illinois, 60148, United States
LOMBARD, IL 601486110
Phone: (630) 874-2542
Fax: (630) 874-2642
Type: Mailing
Palos Hospital, 12251, South 80th Avenue, Palos Heights, Palos Township, Cook County, Illinois, 60463, United States
PALOS COMMUNITY HOSPITAL / PATHOLOGY DEPARTMENT
PALOS HEIGHTS, IL 604631256
Phone: (708) 923-5076
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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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: 2004-06-11
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 |
|---|---|---|---|---|
| I20040611001358 | 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 | 1,414 | 836 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 459 | 157 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 428 | 317 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 227 | 164 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 191 | 131 | $0 |
Insurance plans in this area (ZIP 60148)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | IL | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 179 | 164 |
| PATHOLOGY | IL | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 324 | 179 |
| PATHOLOGY | IL | 88342 | Tissue or cell analysis by immunologic technique | 74 | 62 |
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 | |
| P A T H O L O G Y | NY | |
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | IL | |
| P A T H O L O G Y | IL |
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