KAREN MARIE FITZSIMMONS (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1821099490
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
767 PATHOLOGY in IL
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Provider Addresses for KAREN MARIE FITZSIMMONS (MD)
Illini Drive, Silvis, Rock Island County, Illinois, 61282, United States
SUITE 203
SILVIS, IL 612822907
Phone: (563) 421-6777
Fax: (563) 421-6777
Type: Mailing
1227 E RUSHOLME ST
DAVENPORT, IA 528032459
Phone: (563) 421-6777
Fax: (563) 421-6770
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: 2010-05-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040209000648 | I | Pathology | IA | TBD |
| I20100517000652 | 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 | 1,149 | 523 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 119 | 40 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 100 | 65 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 72 | 70 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 60 | 58 | $0 |
Insurance plans in this area (ZIP 61282)
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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 | 12 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine, Family Practice | IN | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | IA | |
| Physician Assistant | AL | |
| Internal Medicine, Hospitalist | NC | |
| - | IA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | GA | |
| - | IA | |
| - | IA |
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