Mark Fritsch, MD
NPI 1467445361 · Anatomic Pathology & Clinical Pathology Physician · Olympia Fields, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Fritsch, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Olympia Fields, IL (NPI 1467445361).
Provider details
- NPI number
- 1467445361
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01033298A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,191 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 539 | $37 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 121 | $27 |
| Blood Smear Interpretation By Physician With Written Report85060 | 86 | $24 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 71 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 63 | $34 |
| Pap Test, Evaluation of Fine Needle Aspirate, Immediate, Each Additional Evaluation Episode88177 | 56 | $21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-25
- Last updated
- 2024-01-23
- Certified
- 2024-01-23
Frequently asked questions
- What is Mark Fritsch's NPI number?
- Mark Fritsch's National Provider Identifier (NPI) is 1467445361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fritsch's specialty?
- Mark Fritsch is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Fritsch located?
- Mark Fritsch's practice location on file with NPPES is 20201 Crawford Ave, Olympia Fields, IL 60461-1010.
- What is Mark Fritsch's phone number?
- The practice phone number listed in the NPPES registry for Mark Fritsch is (708) 747-4000.
- Does Mark Fritsch accept Medicare?
- Mark Fritsch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Fritsch's NPI active?
- Yes — Mark Fritsch's NPI (1467445361) is active in the NPPES registry as of the last update on 2024-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.