DR. MARK ALAN FRITSCH (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1467445361
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 DR. MARK ALAN FRITSCH (MD)
5700 SOUTHWYCK BLVD
TOLEDO, OH 436141509
Phone: (800) 288-8325
Fax: (419) 866-5453
Type: Mailing
113, East 4th Street, Michigan City, LaPorte County, Indiana, 46360, United States
PO BOX 583
MICHIGAN CITY, IN 463603301
Phone: (219) 873-3130
Fax: (219) 873-3132
Type: Mailing
1423, Chicago Road, Indian Hill, Chicago Heights, Bloom Township, Cook County, Illinois, 60411, United States
DEPARTMENT OF PATHOLOGY
CHICAGO HEIGHTS, IL 604113400
Phone: (708) 756-1000
Fax: (708) 709-2006
Type: Location
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 604611010
Phone: (708) 747-4000
Fax: (701) 503-3242
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-11-04
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 |
|---|---|---|---|---|
| I20100728000553 | I | Pathology | IL | TBD |
| I20211104000943 | I | Pathology | IN | 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 | 527 | 246 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 80 | 17 | $0 |
| 88177 | Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode | 77 | 13 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 42 | 29 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 41 | 35 | $0 |
Insurance plans in this area (ZIP 43614)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | MD | |
| - | IN | |
| P A T H O L O G Y | OH | |
| - | IN | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | IA | |
| P A T H O L O G Y | IN | |
| - | IN |
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