Quick answers
- Does Mark G. Pietz accept Medicare assignment?
- Yes. Medicare's clinician data says Mark G. Pietz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mark G. Pietz see?
- In 2024, CMS data shows 354 Original Medicare patients and 1,079 services for Mark G. Pietz. This counts Original Medicare only and measures volume, not quality.
- What is Mark G. Pietz's NPI number?
- 1053310482. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mark G. Pietz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 354 |
|---|---|
| Services billed to Medicare | 1,079 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)683 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)91 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)82 services
- Removal of fingernails or toenails, 1-5 nails (11720)52 services
- Removal of fingernails or toenails, 6 or more nails (11721)43 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes44%
- Ischemic heart disease38%
- Chronic kidney disease31%
Hospitals where Mark G. Pietz works
Medicare's Facility Affiliation Data lists Mark G. Pietz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140182
Practice locations
Addresses where Mark G. Pietz is enrolled with Medicare (CMS data updated October 2, 2026).
- 17019 Harlem AveTinley Park, IL 60477 (708) 532‑3233
- 3000 N Halsted, Suite 604Chicago, IL 60657
- 3000 N Halsted St, Suite 604Chicago, IL 60657 (773) 296‑7160
Group practices
Medicare enrollment lists Mark G. Pietz as a member of this group (CMS data updated October 2, 2026).
- Chicago Foot Health Centers, LLC2 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Graduation year | 1984 (42 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053310482 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians