Quick answers
- Does Tierney R. Jeffers accept Medicare assignment?
- Yes. Medicare's clinician data says Tierney R. Jeffers 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 Tierney R. Jeffers see?
- In 2024, CMS data shows 58 Original Medicare patients and 111 services for Tierney R. Jeffers. This counts Original Medicare only and measures volume, not quality.
- What is Tierney R. Jeffers's NPI number?
- 1508474370. 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 Tierney R. Jeffers, 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 | 58 |
|---|---|
| Services billed to Medicare | 111 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Telephone medical discussion with physician, 21-30 minutes (99443)20 services
- Telephone medical discussion with physician, 11-20 minutes (99442)14 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%
- Arthritis75%
- High blood pressure71%
- Anxiety62%
- Depression41%
- Osteoporosis29%
Hospitals where Tierney R. Jeffers works
Medicare's Facility Affiliation Data lists Tierney R. Jeffers 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.
- Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140063
- Rush University Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140119
Practice locations
Addresses where Tierney R. Jeffers is enrolled with Medicare (CMS data updated October 2, 2026).
- 1611 W Harrison StChicago, IL 60612 (877) 632‑6637
- 2450 Wolf Rd, Suite EWestchester, IL 60154 (877) 632‑6637
- 770 Beloit RdBelvidere, IL 61008 (815) 398‑9491
- 963 N 129th Infantry DrJoliet, IL 60435 (877) 632‑6637
Group practices
Medicare enrollment lists Tierney R. Jeffers as a member of this group (CMS data updated October 2, 2026).
- Orthomidwest, PLLC547 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Orthomidwest, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508474370 |
| 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