JOHN HART – Anatomic Pathology Physician, NPI 1750433439
Anatomic Pathology Physician
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NPPES metrics only — not quality of care.
767 PATHOLOGY in IL
Provider Addresses for JOHN HART
5841 S MARYLAND AVE # MC1099
CHICAGO, IL 606371447
Phone:
Type: Mailing
150 HARVESTER DR
SUITE 300
BURR RIDGE, IL 605275919
Phone:
Type: Mailing
5841 S MARYLAND AVE
CHICAGO, IL 606371443
Phone: (888) 824-0200
Type: Location
Harvester Drive, Burr Ridge, DuPage County, Illinois, 65027, United States
BURR RIDGE, IL 605276686
Phone: (773) 834-4064
Type: Location
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: 2004-08-31
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 |
|---|---|---|---|---|
| I20040831000339 | 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 | 1,240 | 487 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 300 | 95 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 228 | 173 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 160 | 48 | $0 |
| 88321 | Surgical pathology consultation and report on referred slides prepared elsewhere | 145 | 144 | $0 |
Insurance plans in this area (ZIP 60637)
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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 | 61 | 57 |
| PATHOLOGY | IL | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 207 | 154 |
| PATHOLOGY | IL | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 18 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | IL | |
| N E U R O L O G Y | IL | |
| General Surgery | IN | |
| Pediatric Medicine, Emergency Medicine | IL | |
| - | IL | |
| - | IL | |
| Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| Nurse Practitioner | MI | |
| Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology) | IL |
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