DR. HANNAH HAIYAN CHEN (MD, PHD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1447526595
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
767 PATHOLOGY in IL
Provider Addresses for DR. HANNAH HAIYAN CHEN (MD, PHD)
2160 S 1ST AVE
MAYWOOD, IL 601533328
Phone: (708) 327-2626
Type: Mailing
23 COUNTRY LN
SHARON, MA 020672339
Phone: (708) 655-9641
Type: Mailing
800 WASHINGTON ST
BOSTON, MA 021111552
Phone: (617) 636-5829
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: 2018-11-07
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 |
|---|---|---|---|---|
| I20181107002871 | I | Pathology | MA | 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 | 738 | 303 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 221 | 55 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 193 | 129 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 153 | 126 | $0 |
| 88173 | Evaluation of fine needle aspirate with interpretation and report | 50 | 34 | $0 |
Insurance plans in this area (ZIP 60153)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | MD | |
| - | MA | |
| Critical Care (Intensivists), Pulmonary Disease | FL | |
| Physician Assistant | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | NH | |
| Nurse Practitioner | MA | |
| P A T H O L O G Y | MA |
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