Quick answers
- Does Breck M. Tiernan accept Medicare assignment?
- Yes. Medicare's clinician data says Breck M. Tiernan 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 Breck M. Tiernan see?
- In 2024, CMS data shows 198 Original Medicare patients and 1,927 services for Breck M. Tiernan. This counts Original Medicare only and measures volume, not quality.
- What is Breck M. Tiernan's NPI number?
- 1861614380. 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 Breck M. Tiernan, 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 | 198 |
|---|---|
| Services billed to Medicare | 1,927 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)662 services
- Placement of strapping to ankle or foot (29540)340 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)301 services
- X-ray of foot, 2 views (73620)67 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)54 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 cholesterol75%
- High blood pressure72%
- Arthritis59%
- Diabetes35%
- Ischemic heart disease31%
- Anxiety26%
Practice locations
Addresses where Breck M. Tiernan is enrolled with Medicare (CMS data updated October 2, 2026).
- 350 Houbolt RdJoliet, IL 60431 (815) 553‑0990
Group practices
Medicare enrollment lists Breck M. Tiernan as a member of this group (CMS data updated October 2, 2026).
- Breck Tiernan PC3 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Joliet
Clinicians with the same Medicare primary specialty in Joliet, IL — not a recommendation.
Other clinicians in Breck Tiernan PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Graduation year | 2005 (21 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861614380 |
| 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
- 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